Construction method for encapsulating and splicing prefabricated square culvert foundation and cable trench foundation
1. A construction method for encapsulating and splicing a prefabricated square culvert foundation and a cable trench foundation is characterized by comprising the following steps:
the method comprises the steps that a first controller sends daily average negative air temperature, daily maximum air temperature and earthquake maximum level of a to-be-constructed area obtained by a cloud database within preset T time to an environment comprehensive parameter calculation unit, calculates environment comprehensive parameters PT of the to-be-constructed area, and sets PT (FT/FO multiplied by GT/G0 multiplied by DT/D0), wherein FT is the daily average negative air temperature of the to-be-constructed area within the preset T time, F0 is a daily average negative air temperature standard value, GT is the daily maximum air temperature of the to-be-constructed area within the preset T time, G0 is a daily maximum air temperature standard value, DT is the earthquake maximum level of the to-be-constructed area within the preset T time, and D0 is the earthquake standard level;
the first controller acquires the width of a grouting groove of a preset square culvert according to the comprehensive environment parameters of the area to be constructed and the width of the preset square culvert, and sends the acquired parameters of the preset square culvert to a preparation square culvert control unit, and the preparation square culvert control unit controls a preparation square culvert device to produce the square culvert according to the parameters of the preset square culvert;
the method comprises the following steps that a first controller sends preset square culvert parameters to a second controller, a construction scheme of a region to be constructed is arranged in the second controller, the second controller installs a preset square culvert according to the construction scheme of the region to be constructed and supports a template according to preset square culvert parameters, wherein the second controller adjusts power parameters and a rotating angle of a template supporting device according to real-time environment comprehensive parameters, the square culvert preparation parameters and the relative angle between the square culverts so as to enable the stability of the square culvert to meet preset standards;
in the step S4, the template is erected at the joint of the connected square culverts and is used for fixing the square culverts; the template comprises an intermediate structure, the intermediate structure is used for connecting a supporting device, the template further comprises a supporting device, the supporting device is connected with the intermediate structure and used for fixing the square culvert, the supporting device comprises a supporting frame, the supporting frame is connected with a first power device and used for supporting the square culvert, the first power device is connected with the intermediate structure and the supporting frame and used for providing power for the supporting frame, and the template further comprises a rotating device, is arranged inside the intermediate structure and used for rotating the supporting frame.
2. The construction method for enveloping and splicing the prefabricated square culvert foundation and the cable trench foundation according to claim 1, wherein the first controller obtains a width K of the prefabricated square culvert, a width d of a grouting groove of the prefabricated square culvert and setsWherein K0 is the standard width of the preset square culvert, D0 is the standard width of the grouting groove, and Pj is the width adjusting coefficient of the grouting groove.
3. The construction method for enveloping and splicing the prefabricated square culvert foundation and the cable trench foundation according to claim 2, wherein the first controller obtains a comprehensive environment parameter P of the area to be constructed, the first controller selects a grouting groove width adjusting coefficient according to the comparison between the comprehensive environment parameter P of the area to be constructed and a preset value, wherein,
when P is not more than P1, the first controller selects a first preset grouting groove width adjusting coefficient Pj1 as the width of the grouting groove of the prefabricated square culvert;
when P is more than P1 and less than or equal to P2, the first controller selects a second preset grouting groove width adjusting coefficient Pj2 as the width of the preset square culvert grouting groove;
when P is more than P2 and less than or equal to P3, the first controller selects a third preset grouting groove width adjusting coefficient Pj3 as the width of the preset square culvert grouting groove;
when P is larger than P3, the first controller selects a fourth preset grouting groove width adjusting coefficient Pj4 as the width of the grouting groove of the prefabricated square culvert;
the first controller presets an environment comprehensive parameter P, sets a first preset environment comprehensive parameter P1, a second preset environment comprehensive parameter P2 and a third preset environment comprehensive parameter P3, presets a grouting groove width adjusting coefficient Pj, sets a first preset grouting groove width adjusting coefficient Pj1, a second preset grouting groove width adjusting coefficient Pj2, a third preset grouting groove width adjusting coefficient Pj3 and a fourth preset grouting groove width adjusting coefficient Pj4, wherein Pj4 is more than Pj3 and more than Pj2 is more than Pj 1.
4. The construction method for splicing the prefabricated square culvert foundation and the cable trench foundation according to claim 2, wherein the second controller obtains a width d of a grouting groove of the prefabricated square culvert, the second controller obtains a rotation angle parameter of the supporting device of the formwork,
when D is less than or equal to D1, the second controller selects a first preset template rotation angle theta 1 as the template rotation angle parameter;
when D is more than D1 and less than or equal to D2, the second controller selects a second preset template rotation angle theta 2 as the template rotation angle;
when D is larger than D2, the second controller selects a second preset template rotation angle theta 3 as the template rotation angle;
the grouting groove width D is set to be a first preset grouting groove width D1 and a second preset grouting groove width D2, and the supporting device is rotated by an angle theta, wherein the first preset rotation angle theta 1, the second preset rotation angle theta 2 and the third preset rotation angle theta 3 are set.
5. The construction method for enveloping and splicing the prefabricated square culvert foundation and the cable trench foundation according to claim 1, wherein the second controller obtains a comprehensive parameter Pt of the environment of the area to be constructed within a preset time t, wherein,
when Pt is not more than P1, the second controller selects a first preset power parameter L1 as the power parameter of the power device;
when Pt is more than P1 and less than or equal to P2, the second controller selects a second preset power parameter L2 as the power parameter of the power device;
when Pt is more than P2 and less than or equal to P3, the second controller selects a third preset power parameter L3 as the power parameter of the power device;
when Pt is larger than P3, the second controller selects a fourth preset power parameter L4 as the power parameter of the power device;
the second controller presets the power device power parameter L, and sets a first preset power parameter L1, a second preset power parameter L2, a third preset power parameter L3 and a fourth preset power parameter L4.
6. The construction method for splicing the prefabricated square culvert foundation and the cable trench foundation by wrapping according to claim 4, wherein the first module is connected between a first square culvert and a second square culvert, the second module is connected between the second square culvert and a third square culvert, and the nth module is connected between the nth square culvert and an n +1 th square culvert; the ith module is provided with a first supporting device Ci1, a second supporting device Ci2, a third supporting device Ci3 and a fourth supporting device Ci4, the first supporting device of the ith module is connected with the top of the ith square culvert, the second supporting device of the ith module is connected with the top of the (i +1) th square culvert, the third supporting device of the ith module is connected with the bottom of the ith square culvert, and the fourth supporting device of the ith module is connected with the bottom of the (i +1) th square culvert; the module intermediate structure is provided with a detection device for acquiring the relative angle of adjacent square culverts; the second controller obtains a first module angle R1, a second module angle R2 and an nth module angle Rn through the detection device, wherein,
when | R (i +1) -Ri | ≧ Δ R2, the second controller adjusts the rotation angle parameters of each supporting device of the (i +1) th module;
when R1 ≦ R (i +1) -Ri | <ΔR2, the second controller adjusts the second support apparatus rotation angle parameter and the fourth support apparatus rotation angle parameter of the (i +1) th module;
when | R (i +1) -Ri | <ΔR1, the second controller does not adjust the support device rotation angle parameter of the (i +1) th module;
the second controller presets an angle error parameter delta R, and sets a first preset angle error parameter delta R1 and a second preset angle error parameter delta R2;
wherein i is 1, 2 to n.
7. The construction method for encapsulating and splicing the prefabricated square culvert foundation and the cable trench foundation according to claim 6, wherein the second controller obtains that the angle difference value between the i +1 th module and the i-th module is greater than a preset value, the second controller adjusts the rotation angle of the supporting device of the i +1 th module, the second controller presets an angle error reference value R0, when R (i +1) -Ri is greater than or equal to R0, the angle θ p of the first supporting device of the i +1 th module is increased to θ p1, and θ p1 ═ θ p x (1+ | R (i +1) -Ri-R0 |/R0); the i +1 th module second supporting means angle θ p is lowered to θ p2, θ p2 ═ θ p × (1- | R (i +1) -Ri — R0|2/R0); the i +1 th module third support angle θ p is lowered to θ p3, θ p3 ═ θ p x (1+ | R (i +1) -Ri-R0 |/R0); the angle θ p of the fourth supporting means of the i +1 th module is increased to θ p4, θ p4 ═ θ p × (1- | R (i +1) -Ri-R0|2/R0)。
8. The construction method for encapsulating and splicing the prefabricated square culvert foundation and the cable trench foundation according to claim 6, wherein the second controller obtains that the difference between the angle of the i +1 th module and the angle of the i th module is greater than a preset value, the second controller adjusts the rotation angle of the supporting device of the i +1 th module, the second controller presets an angle error reference value R0, when R (i +1) -Ri < R0, the angle θ p of the i +1 th module first supporting device is increased to θ p1, and θ p1 ═ θ p x (1- | R (i +1) -Ri-R0|, the construction method is characterized in that2/R0); the i +1 th module second support angle θ p is lowered to θ p2, θ p2 ═ θ p x (1+ | R (i +1) -Ri-R0 |/R0); the angle θ p of the third supporting means of the i +1 th module is decreased to θ p3, θ p3 ═ θ p × (1+ | R (i +1) -Ri — R0|2/R0); the i +1 th module fourth support angle θ p is increased to θ p4, θ p4 ═ θ p x (1+ | R (i +1) -Ri-R0 |/R0).
9. The construction method for encapsulating and splicing the prefabricated square culvert foundation and the cable trench foundation according to claim 6, wherein the second controller obtains that the angle difference value between the i +1 th module and the i-th module is within a preset value range, and the second controller adjusts the rotation angle of the i +1 th module, the second supporting device and the fourth supporting device, wherein the angle θ p of the i +1 th module, the second supporting device and the fourth supporting device is increased to θ p2, θ p2 ═ θ p × (1+ | R (i +1) -Ri-R0|/R0), the angle θ p of the i +1 th module, the fourth supporting device is decreased to θ p4, and θ p4 ═ θ p × (1+ | R (i +1) -Ri R0 |/R0).
10. The construction method for enveloping and splicing the prefabricated square culvert foundation and the cable trench foundation according to claim 5, wherein the second controller sets a standard parameter θ 0 of rotation angle, and adjusts the obtained dynamic parameter Lq of the supporting device according to the rotation angle of each supporting device,
when θ pm ≧ θ 0, the second controller increases the supporting-device power parameter Lq to Lq1, sets Lq1 ═ Lq × (1+ (θ pm- θ 0)/(θ pm × θ 0)),
when θ pm < θ 0, the second controller decreases the supporting device power parameter Lq to Lq2, setting Lq2 ═ Lq × (1- (θ pm- θ 0)/(θ pm × θ 0));
wherein, p is 1, 2, 3, m is 1, 2, 3, 4, q is 1, 2, 3, 4.
Background
At present, cable trench laying in municipal engineering adopts on-site earthwork excavation, vertical formwork, binding steel bars, concrete pouring, maintenance molding, and after certain strength is reached, a jacking method is adopted to enable all segments to be connected into a whole, the construction process engineering quantity is large, the on-site construction not only influences the surrounding environment, but also is not beneficial to transportation, the construction period is long, the labor cost is large, the whole durability and the anti-seismic performance cannot well meet the construction requirements, and once problems occur, the maintenance is time-consuming and labor-consuming. Particularly in specific engineering, particularly in winter, when a construction cable trench passes through an urban road, the concrete solidification period is long, and the traffic requirement of the urban road cannot be met, so that the wrapping and splicing technology of the prefabricated square culvert and the cable trench becomes a more excellent technical scheme for laying cables in severe environment, the prefabricated square culvert is produced in a prefabrication factory, the site pouring is not needed, potential safety hazards are avoided, complicated safety measures are not needed, the site operation is not needed, the vibration, the impact, the noise, the waste and the like are not generated, the influence on the surrounding environment and people is avoided, meanwhile, the prefabricated square culvert is produced in the prefabrication factory, the production equipment can continuously work, the efficiency is high, compared with manual pouring, the expensive labor force is not needed, the foundation maintenance cost is not needed in winter, the method for combining the prefabricated square culvert and the cable trench is simple and scientific, only needs to be operated by a few personnel, and the maintenance cost is low in winter, the maintenance effect is good, and the transport is also very convenient.
Disclosure of Invention
Therefore, the invention provides a construction method for encapsulating and splicing a prefabricated square culvert foundation and a cable trench foundation, which can solve the technical problem that a square culvert installation method cannot be implemented according to environmental comprehensive parameters and the width of a grouting groove.
In order to achieve the purpose, the invention provides a construction method for encapsulating and splicing a prefabricated square culvert foundation and a cable trench foundation, which comprises the following steps:
the method comprises the steps that a first controller sends daily average negative air temperature, daily maximum air temperature and earthquake maximum level of a to-be-constructed area obtained by a cloud database within preset T time to an environment comprehensive parameter calculation unit, calculates environment comprehensive parameters PT of the to-be-constructed area, and sets PT (FT/FO multiplied by GT/G0 multiplied by DT/D0), wherein FT is the daily average negative air temperature of the to-be-constructed area within the preset T time, F0 is a daily average negative air temperature standard value, GT is the daily maximum air temperature of the to-be-constructed area within the preset T time, G0 is a daily maximum air temperature standard value, DT is the earthquake maximum level of the to-be-constructed area within the preset T time, and D0 is the earthquake standard level;
the first controller acquires the width of a grouting groove of a preset square culvert according to the comprehensive environment parameters of the area to be constructed and the width of the preset square culvert, and sends the acquired parameters of the preset square culvert to a preparation square culvert control unit, and the preparation square culvert control unit controls a preparation square culvert device to produce the square culvert according to the parameters of the preset square culvert;
the method comprises the following steps that a first controller sends preset square culvert parameters to a second controller, a construction scheme of a region to be constructed is arranged in the second controller, the second controller installs a preset square culvert according to the construction scheme of the region to be constructed and supports a template according to preset square culvert parameters, wherein the second controller adjusts power parameters and a rotating angle of a template supporting device according to real-time environment comprehensive parameters, the square culvert preparation parameters and the relative angle between the square culverts so as to enable the stability of the square culvert to meet preset standards;
in the step S4, the template is erected at the joint of the connected square culverts and is used for fixing the square culverts; the template comprises an intermediate structure, the intermediate structure is used for connecting a supporting device, the template further comprises a supporting device, the supporting device is connected with the intermediate structure and used for fixing the square culvert, the supporting device comprises a supporting frame, the supporting frame is connected with a first power device and used for supporting the square culvert, the first power device is connected with the intermediate structure and the supporting frame and used for providing power for the supporting frame, and the template further comprises a rotating device, is arranged inside the intermediate structure and used for rotating the supporting frame.
Further, the first controller obtains a preset square culvert width K, and the width d of the grouting groove of the preset square culvert is setWherein K0 is the standard width of the preset square culvert, D0 is the standard width of the grouting groove, and Pj is the width adjusting coefficient of the grouting groove.
Further, the first controller obtains the comprehensive environment parameter P of the area to be constructed, the first controller selects the width adjusting coefficient of the grouting groove according to the comparison between the comprehensive environment parameter P of the area to be constructed and a preset value, wherein,
when P is not more than P1, the first controller selects a first preset grouting groove width adjusting coefficient Pj1 as the width of the grouting groove of the prefabricated square culvert;
when P is more than P1 and less than or equal to P2, the first controller selects a second preset grouting groove width adjusting coefficient Pj2 as the width of the preset square culvert grouting groove;
when P is more than P2 and less than or equal to P3, the first controller selects a third preset grouting groove width adjusting coefficient Pj3 as the width of the preset square culvert grouting groove;
when P is larger than P3, the first controller selects a fourth preset grouting groove width adjusting coefficient Pj4 as the width of the grouting groove of the prefabricated square culvert;
the first controller presets an environment comprehensive parameter P, sets a first preset environment comprehensive parameter P1, a second preset environment comprehensive parameter P2 and a third preset environment comprehensive parameter P3, presets a grouting groove width adjusting coefficient Pj, sets a first preset grouting groove width adjusting coefficient Pj1, a second preset grouting groove width adjusting coefficient Pj2, a third preset grouting groove width adjusting coefficient Pj3 and a fourth preset grouting groove width adjusting coefficient Pj4, wherein Pj4 is more than Pj3 and more than Pj2 is more than Pj 1.
Further, the second controller acquires the width d of a grouting groove of a preset square culvert, the second controller acquires the rotation angle parameter of the supporting device of the template,
when D is less than or equal to D1, the second controller selects a first preset template rotation angle theta 1 as the template rotation angle parameter;
when D is more than D1 and less than or equal to D2, the second controller selects a second preset template rotation angle theta 2 as the template rotation angle;
when D is larger than D2, the second controller selects a second preset template rotation angle theta 3 as the template rotation angle;
the grouting groove width D is set to be a first preset grouting groove width D1 and a second preset grouting groove width D2, and the supporting device is rotated by an angle theta, wherein the first preset rotation angle theta 1, the second preset rotation angle theta 2 and the third preset rotation angle theta 3 are set.
Further, the second controller obtains the comprehensive environment parameter Pt of the area to be constructed within the preset time t, wherein,
when Pt is not more than P1, the second controller selects a first preset power parameter L1 as the power parameter of the power device;
when Pt is more than P1 and less than or equal to P2, the second controller selects a second preset power parameter L2 as the power parameter of the power device;
when Pt is more than P2 and less than or equal to P3, the second controller selects a third preset power parameter L3 as the power parameter of the power device;
when Pt is larger than P3, the second controller selects a fourth preset power parameter L4 as the power parameter of the power device;
the second controller presets the power device power parameter L, and sets a first preset power parameter L1, a second preset power parameter L2, a third preset power parameter L3 and a fourth preset power parameter L4.
Further, the first module is connected between the first square culvert and the second square culvert, the second module is connected between the second square culvert and the third square culvert, and the nth module is connected between the nth square culvert and the (n +1) th square culvert; the ith module is provided with a first supporting device Ci1, a second supporting device Ci2, a third supporting device Ci3 and a fourth supporting device Ci4, the first supporting device of the ith module is connected with the top of the ith square culvert, the second supporting device of the ith module is connected with the top of the (i +1) th square culvert, the third supporting device of the ith module is connected with the bottom of the ith square culvert, and the fourth supporting device of the ith module is connected with the bottom of the (i +1) th square culvert; the module intermediate structure is provided with a detection device for acquiring the relative angle of adjacent square culverts; the second controller obtains a first module angle R1, a second module angle R2 and an nth module angle Rn through the detection device, wherein,
when | R (i +1) -Ri | ≧ Δ R2, the second controller adjusts the rotation angle parameters of each supporting device of the (i +1) th module;
when R1 ≦ R (i +1) -Ri | <ΔR2, the second controller adjusts the second support apparatus rotation angle parameter and the fourth support apparatus rotation angle parameter of the (i +1) th module;
when | R (i +1) -Ri | <ΔR1, the second controller does not adjust the support device rotation angle parameter of the (i +1) th module;
the second controller presets an angle error parameter delta R, and sets a first preset angle error parameter delta R1 and a second preset angle error parameter delta R2;
wherein i is 1, 2 to n.
Further, the second controller obtains that the angle difference between the i +1 th module and the i-th module is greater than a preset value, the second controller adjusts the rotation angle of the supporting device of the i +1 th module, the second controller presets an angle error reference value R0, when R (i +1) -Ri is greater than or equal to R0, the angle θ p of the first supporting device of the i +1 th module is increased to θ p1, θ p1 ═ θ p × (1+ | R (i +1) -Ri-R0 |/R0); the angle thetap of the second support device of the (i +1) th module is reduced to thetap 2, thetapp2=θp×(1-|R(i+1)-Ri--R0|2/R0); the i +1 th module third support angle θ p is lowered to θ p3, θ p3 ═ θ p x (1+ | R (i +1) -Ri-R0 |/R0); the angle θ p of the fourth supporting means of the i +1 th module is increased to θ p4, θ p4 ═ θ p × (1- | R (i +1) -Ri-R0|2/R0)。
Further, the second controller obtains that the angle difference between the i +1 th module and the i th module is greater than a preset value, the second controller adjusts the rotation angle of the supporting device of the i +1 th module, the second controller presets an angle error reference value R0, when R (i +1) -Ri < R0, the angle θ p of the first supporting device of the i +1 th module is increased to θ p1, θ p1 ═ θ p × (1- | R (i +1) -Ri-R0|, and the angle difference between the i +1 th module and the i th module is greater than the preset value2/R0); the i +1 th module second support angle θ p is lowered to θ p2, θ p2 ═ θ p x (1+ | R (i +1) -Ri-R0 |/R0); the angle θ p of the third supporting means of the i +1 th module is decreased to θ p3, θ p3 ═ θ p × (1+ | R (i +1) -Ri — R0|2/R0); the i +1 th module fourth support angle θ p is increased to θ p4, θ p4 ═ θ p x (1+ | R (i +1) -Ri-R0 |/R0).
Further, the second controller obtains that the angle difference between the i +1 th module and the i-th module is within a preset value range, and the second controller adjusts the rotation angle of the second supporting device and the fourth supporting device of the i +1 th module, wherein the angle θ p of the second supporting device of the i +1 th module is increased to θ p2, θ p2 ═ θ p × (1+ | R (i +1) -Ri-R0|/R0), the angle θ p of the fourth supporting device of the i +1 th module is decreased to θ p4, and θ p4 ═ θ p × (1+ | R (i +1) -Ri-R0 |/R0).
Further, the second controller sets a standard parameter θ 0 of the rotation angle, and adjusts the acquired power parameter Lq of the support device according to the rotation angle of each support device, wherein,
when θ pm ≧ θ 0, the second controller increases the supporting-device power parameter Lq to Lq1, sets Lq1 ═ Lq × (1+ (θ pm- θ 0)/(θ pm × θ 0)),
when θ pm < θ 0, the second controller decreases the supporting device power parameter Lq to Lq2, setting Lq2 ═ Lq × (1- (θ pm- θ 0)/(θ pm × θ 0));
wherein, p is 1, 2, 3, m is 1, 2, 3, 4, q is 1, 2, 3, 4.
Compared with the prior art, the method has the advantages that according to severe environments, particularly large influence of land freeze thawing and earthquake disasters on laying of the cable trench, the method for acquiring daily average negative temperature, daily maximum temperature and earthquake highest level of the area to be constructed in a large-scale preset time according to cloud big data to acquire the environmental comprehensive parameters of the area to be constructed is arranged, the numerical value of the environmental comprehensive parameters is used for evaluating the environmental condition of the area to be constructed, meanwhile, the width of the grouting groove of the prefabricated square culvert is obtained by combining the width of the prefabricated square culvert to prepare the prefabricated square culvert, and during construction, templates are erected among the square culverts, adjusting the power parameters and the rotation angle of the template supporting device according to the real-time environment comprehensive parameters, the width of the prefabricated square culvert grouting groove and the relative angle between the square culverts so as to enable the stability of square culvert installation to meet the preset standard.
Particularly, the method sets the standard width of the square culvert and the standard width of the grouting groove corresponding to the standard width of the square culvert, and obtains the width of the grouting groove of the preset square culvert according to a preset formula.
Particularly, the invention presets a square culvert standard width, a grouting groove standard width and a grouting groove width adjusting coefficient, obtains the width of a grouting groove of a preset square culvert through the square culvert width so that the width of the grouting groove of the preset square culvert can be matched with the actual width of the square culvert, presets four grouting groove width adjusting coefficients, compares an environmental comprehensive parameter obtained through a first control unit with a preset value, selects different grouting groove width adjusting coefficients so that the obtained common adaptability of the width of the grouting groove of the preset square culvert, the width of the grouting groove of the square culvert and the environment is optimal, the larger the comprehensive environmental parameter of a region to be constructed is, the more serious the severe the environment of the region to be constructed is, the smaller the width of the grouting groove of the square culvert is, and the influence of cracks generated by the grouting groove on the laying of cables is avoided.
Particularly, the rotation angles of the three supporting devices are preset, the width of the grouting groove of the square culvert obtained through the second controller is compared with the preset value, and the most appropriate rotating angle of the supporting devices is selected, so that the template supporting device can support the square culvert at an appropriate angle; meanwhile, four power parameters of the supporting device are preset, the second control device selects corresponding power parameters by obtaining comprehensive environment parameters of the area to be constructed within a small range of a preset period of time and comparing the comprehensive environment parameters with preset values, so that the supporting power of the square culvert on the template is optimal, wherein the larger the comprehensive environment parameter of the area to be constructed is, the worse the environment of the area to be constructed is within the preset time, the greater the installation difficulty between the square culvert and the square culvert is, particularly the worse the adhesion force of concrete in a grouting groove is, the power parameters of the supporting device need to be increased, so that the square culvert is more stably installed.
In particular, the invention provides a concrete implementation method of a template fixing square culvert, wherein the template comprises four supporting devices, a first supporting device is connected with the top of the current square culvert, a second supporting device is connected with the top of the next square culvert, a third supporting device is connected with the bottom of the current square culvert, a fourth supporting device is connected with the bottom of the next square culvert, when a detection device arranged on the template acquires the angle of the junction of the square culvert, and when a second controller acquires that the difference value of the angle of the next module and the current module is smaller than a preset value, the installation of the square culvert meets a preset standard without adjusting the rotation angle of the module supporting device, when the second controller acquires that the difference value of the angle of the next module and the current module is within the range of the preset value, the installation of the square culvert supported by the second supporting device and the fourth supporting device of the next module has an error, the second controller increases the rotation angle of the second supporting device and simultaneously reduces the rotation angle of the fourth supporting device, so that the connection angle between the square culvert supported by the second supporting device and the fourth supporting device and the square culvert above the square culvert accords with a preset standard, and when the angle difference value between the next module and the current module obtained by the second controller exceeds a preset value, the second controller increases or decreases and adjusts each supporting device of the next module, so that the supporting of the square culvert by the modules is more stable.
Particularly, the invention sets a standard parameter theta 0 of the rotation angle of the supporting device, when the second control unit obtains that the angle of each supporting device after adjustment is larger than or equal to a standard value, the second controller increases the obtained power parameter, and when the second control unit obtains that the angle of each supporting device after adjustment is smaller than the standard value, the second controller decreases the obtained power parameter, so that the supporting force of each supporting device on the square culvert is the optimal selection.
Drawings
FIG. 1 shows a construction method for enveloping and splicing a prefabricated square culvert foundation and a cable trench foundation;
FIG. 2 is a schematic structural diagram of a prefabricated square culvert template according to the embodiment of the invention;
FIG. 3 is a schematic structural diagram of a prefabricated square culvert according to the embodiment of the invention;
FIG. 4 is a front view of a prefabricated square culvert according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a schematic view of a construction method for enveloping and splicing a prefabricated square culvert foundation and a cable trench foundation according to an embodiment of the invention includes,
the method comprises the steps that a first controller sends daily average negative air temperature, daily maximum air temperature and earthquake maximum level of a to-be-constructed area obtained by a cloud database within preset T time to an environment comprehensive parameter calculation unit, calculates environment comprehensive parameters PT of the to-be-constructed area, and sets PT (FT/FO multiplied by GT/G0 multiplied by DT/D0), wherein FT is the daily average negative air temperature of the to-be-constructed area within the preset T time, F0 is a daily average negative air temperature standard value, GT is the daily maximum air temperature of the to-be-constructed area within the preset T time, G0 is a daily maximum air temperature standard value, DT is the earthquake maximum level of the to-be-constructed area within the preset T time, and D0 is the earthquake standard level;
the first controller acquires the width of a grouting groove of a preset square culvert according to the comprehensive environment parameters of the area to be constructed and the width of the preset square culvert, and sends the acquired parameters of the preset square culvert to a preparation square culvert control unit, and the preparation square culvert control unit controls a preparation square culvert device to produce the square culvert according to the parameters of the preset square culvert;
the method comprises the following steps that a first controller sends preset square culvert parameters to a second controller, a construction scheme of a region to be constructed is arranged in the second controller, the second controller installs a preset square culvert according to the construction scheme of the region to be constructed and supports a template according to preset square culvert parameters, wherein the second controller adjusts power parameters and a rotating angle of a template supporting device according to real-time environment comprehensive parameters, the square culvert preparation parameters and the relative angle between the square culverts so as to enable the stability of the square culvert to meet preset standards;
in the step S4, the template is erected at the joint of the connected square culverts and is used for fixing the square culverts; the template comprises an intermediate structure, the intermediate structure is used for connecting a supporting device, the template further comprises a supporting device, the supporting device is connected with the intermediate structure and used for fixing the square culvert, the supporting device comprises a supporting frame, the supporting frame is connected with a first power device and used for supporting the square culvert, the first power device is connected with the intermediate structure and the supporting frame and used for providing power for the supporting frame, and the template further comprises a rotating device, is arranged inside the intermediate structure and used for rotating the supporting frame.
Specifically, according to the preset time T in the embodiment of the present invention, the first controller obtains the environmental condition of the area to be constructed within the preset time, and the time parameter T is a time period in a large range, for example, one year, three years, or five years, which means that the comprehensive environmental condition of the area to be constructed within the large range is obtained, so that the situation that the comprehensive environmental condition is not consistent with the comprehensive environmental condition of the actual environment of the area to be constructed due to too short time setting is avoided, and meanwhile, setting a time parameter in a larger range is also helpful for predicting the environmental change of the area to be constructed during application after construction, so that the square culvert is better installed to cope with the severe environment.
Referring to fig. 2, which is a schematic diagram of a prefabricated square culvert template structure according to an embodiment of the present invention, referring to fig. 3, which is a schematic diagram of a prefabricated square culvert structure according to an embodiment of the present invention, the prefabricated square culvert prepared according to an embodiment of the present invention is composed of concrete and steel bars, the steel bars 12 pass through the prefabricated square culvert to ensure the strength of the square culvert, and the square culvert further includes a platform 13 disposed in a grouting tank of the prefabricated square culvert, below the steel bars at the top of the prefabricated square culvert, for retaining the concrete on the platform during pouring, and at the same time, the embodiment of the present invention further provides that a waterproof tape is wound at the steel bars to increase the waterproof performance of the square culvert. Furthermore, the reinforcement distribution rate is related to the environment condition of the area to be constructed, the more severe the environment is, the preset reinforcement distribution rate is reduced within the preset range, the installation difficulty of the square culvert is reduced, and meanwhile the firmness of the square culvert is ensured.
Specifically, the support frame 8 in the embodiment of the present invention may be a telescopic rod or a hydraulic rod, and those skilled in the art can understand that the support frame in the embodiment of the present invention is not limited as long as the support square can be satisfied.
Specifically, the first power device 9 according to the embodiment of the present invention may be a cylinder, or other device capable of providing power. Meanwhile, the rotating device according to an embodiment of the present invention may include a gear 10 having one end connected to the first power unit 9 and the other end connected to a second power unit 11 for providing power for the movement of the gear, which is also connected to the intermediate structure.
The specific implementation manner of the embodiment of the invention may be that the second controller obtains the rotation angle and the power parameter of the module, the second power device provides power to the gear according to the rotation angle to drive the gear to rotate by a certain angle, the gear drives the first power device to move, the first power device is connected with the support frame, the support frame is driven by the first power device to move to a preset angle and is connected with the square culvert, and meanwhile, the first power device provides power to the support frame according to the power parameter obtained by the second controller to support the square culvert.
Specifically, according to severe environments, particularly large influences of land freezing and thawing and earthquake disasters on laying of a cable trench, the method for acquiring daily average negative air temperature, daily maximum air temperature and earthquake highest level of a to-be-constructed area within preset time according to cloud big data to acquire comprehensive parameters of the to-be-constructed area environment is arranged, numerical values of the comprehensive parameters of the environment are used for evaluating the environment condition of the to-be-constructed area, meanwhile, the width of a grouting groove of a preset square culvert is acquired to prepare the preset square culvert according to the width of the preset square culvert, during construction, a template is erected among the square culverts, and power parameters and rotation angles of a template supporting device are adjusted according to the real-time comprehensive parameters of the environment, the width of the grouting groove of the preset square culvert and the relative angle between the square culverts, so that the stability of square culvert installation meets preset standards.
The first controller obtains a preset square culvert width K, the width d of the grouting groove of the preset square culvert is setWherein K0 is the standard width of the preset square culvert, D0 is the standard width of the grouting groove, and Pj is the width adjusting coefficient of the grouting groove.
Specifically, the method sets the standard width of the square culvert and the standard width of the grouting groove corresponding to the standard width of the square culvert, and obtains the width of the grouting groove of the preset square culvert according to a preset formula.
The first controller obtains the comprehensive environment parameter P of the area to be constructed, the first controller selects the width adjusting coefficient of the grouting groove according to the comparison of the comprehensive environment parameter P of the area to be constructed and a preset value, wherein,
when P is not more than P1, the first controller selects a first preset grouting groove width adjusting coefficient Pj1 as the width of the grouting groove of the prefabricated square culvert;
when P is more than P1 and less than or equal to P2, the first controller selects a second preset grouting groove width adjusting coefficient Pj2 as the width of the preset square culvert grouting groove;
when P is more than P2 and less than or equal to P3, the first controller selects a third preset grouting groove width adjusting coefficient Pj3 as the width of the preset square culvert grouting groove;
when P is larger than P3, the first controller selects a fourth preset grouting groove width adjusting coefficient Pj4 as the width of the grouting groove of the prefabricated square culvert;
the first controller presets an environment comprehensive parameter P, sets a first preset environment comprehensive parameter P1, a second preset environment comprehensive parameter P2 and a third preset environment comprehensive parameter P3, presets a grouting groove width adjusting coefficient Pj, sets a first preset grouting groove width adjusting coefficient Pj1, a second preset grouting groove width adjusting coefficient Pj2, a third preset grouting groove width adjusting coefficient Pj3 and a fourth preset grouting groove width adjusting coefficient Pj4, wherein Pj4 is more than Pj3 and more than Pj2 is more than Pj 1.
Specifically, the method presets a square culvert standard width, a grouting groove standard width and a grouting groove width adjusting coefficient, obtains the width of a grouting groove of the preset square culvert through the square culvert width so that the width of the grouting groove of the preset square culvert can be matched with the actual width of the square culvert, presets four grouting groove width adjusting coefficients, compares an environmental comprehensive parameter obtained through a first control unit with a preset value, selects different grouting groove width adjusting coefficients so that the obtained common adaptability of the width of the grouting groove of the preset square culvert, the width of the grouting groove of the square culvert and the environment is optimal, the larger the comprehensive environmental parameter of a region to be constructed is, the more serious the severe the environment of the region to be constructed is, the smaller the width of the grouting groove of the square culvert is, and the influence of cracks generated by the grouting groove on the laying of cables is avoided.
The second controller obtains the width d of a grouting groove of a preset square culvert, the second controller obtains the rotation angle parameter of the supporting device of the template,
when D is less than or equal to D1, the second controller selects a first preset template rotation angle theta 1 as the template rotation angle parameter;
when D is more than D1 and less than or equal to D2, the second controller selects a second preset template rotation angle theta 2 as the template rotation angle;
when D is larger than D2, the second controller selects a second preset template rotation angle theta 3 as the template rotation angle;
the grouting groove width D is set to be a first preset grouting groove width D1 and a second preset grouting groove width D2, and the supporting device is rotated by an angle theta, wherein the first preset rotation angle theta 1, the second preset rotation angle theta 2 and the third preset rotation angle theta 3 are set.
Specifically, in the embodiment of the present invention, the rotation angle of the supporting device is perpendicular to the horizon as a reference line, and the rotation angle refers to an angle of the supporting device away from the reference line.
The second controller obtains a comprehensive parameter Pt of the environment of the area to be constructed within a preset time t, wherein,
when Pt is not more than P1, the second controller selects a first preset power parameter L1 as the power parameter of the power device;
when Pt is more than P1 and less than or equal to P2, the second controller selects a second preset power parameter L2 as the power parameter of the power device;
when Pt is more than P2 and less than or equal to P3, the second controller selects a third preset power parameter L3 as the power parameter of the power device;
when Pt is larger than P3, the second controller selects a fourth preset power parameter L4 as the power parameter of the power device;
the second controller presets the power device power parameter L, and sets a first preset power parameter L1, a second preset power parameter L2, a third preset power parameter L3 and a fourth preset power parameter L4.
Specifically, the preset time t in the embodiment of the present invention is a time parameter with a small relative range, which may be 7 days, 15 months or 30 days, and further, a time parameter with a small relative range is set, so that the second controller obtains an environmental parameter of a to-be-constructed area before construction, and can obtain a more optimal square culvert installation scheme, for example, when the average daily negative air temperature is low, the construction environment is cold, the installation of the square culvert is difficult to bond, especially concrete is difficult to bond during pouring, and the second controller adjusts specific parameters of the square culvert installation, especially a power device and a rotation angle, so that the square culvert installation is more stable and also more conforms to a real-time environmental condition.
Specifically, the rotation angles of the three supporting devices are preset, the width of a grouting groove of the square culvert obtained through the second controller is compared with the preset value, and the most appropriate rotating angle of the supporting devices is selected, so that the template supporting device can support the square culvert at an appropriate angle; meanwhile, four supporting device power parameters are preset, the second control device obtains an environment comprehensive parameter of a to-be-constructed area within a preset period of time and compares the environment comprehensive parameter with a preset value, and corresponding power parameters are selected, so that the supporting power of the square culvert on the template is optimal.
The first module is connected between the first square culvert and the second square culvert, the second module is connected between the second square culvert and the third square culvert, and the nth module is connected between the nth square culvert and the (n +1) th square culvert; the ith module is provided with a first supporting device 4, a second supporting device 5, a third supporting device 7 and a fourth supporting device 6, the first supporting device of the ith module is connected with the top of an ith square culvert 1, the second supporting device of the ith module is connected with the top of an (i +1) th square culvert 2, the third supporting device of the ith module is connected with the bottom of the ith square culvert, and the fourth supporting device of the ith module is connected with the bottom of the (i +1) th square culvert; the module intermediate structure is provided with a detection device for acquiring the relative angle of adjacent square culverts; the second controller obtains a first module angle R1, a second module angle R2 and an nth module angle Rn through the detection device, wherein,
when | R (i +1) -Ri | ≧ Δ R2, the second controller adjusts the rotation angle parameters of each supporting device of the (i +1) th module;
when R1 ≦ R (i +1) -Ri | <ΔR2, the second controller adjusts the second support apparatus rotation angle parameter and the fourth support apparatus rotation angle parameter of the (i +1) th module;
when | R (i +1) -Ri | <ΔR1, the second controller does not adjust the support device rotation angle parameter of the (i +1) th module;
the second controller presets an angle error parameter delta R, and sets a first preset angle error parameter delta R1 and a second preset angle error parameter delta R2;
wherein i is 1, 2 to n.
Specifically, the invention provides a concrete implementation method of a template fixing square culvert, wherein the template comprises four supporting devices, a first supporting device is connected with the top of the current square culvert, a second supporting device is connected with the top of the next square culvert, a third supporting device is connected with the bottom of the current square culvert, a fourth supporting device is connected with the bottom of the next square culvert, when a detection device arranged on the template acquires the angle of the junction of the square culvert, and when a second controller acquires that the difference value of the angle between the next module and the current module is smaller than a preset value, the installation of the square culvert meets a preset standard without adjusting the rotation angle of the module supporting device, and when the second controller acquires that the difference value of the angle between the next module and the current module is within the range of the preset value, the installation of the square culvert supported by the second supporting device and the fourth supporting device of the next module has an error, the second controller increases the rotation angle of the second supporting device and simultaneously reduces the rotation angle of the fourth supporting device, so that the connection angle between the square culvert supported by the second supporting device and the fourth supporting device and the square culvert above the square culvert accords with a preset standard, and when the angle difference value between the next module and the current module obtained by the second controller exceeds a preset value, the second controller increases or decreases and adjusts each supporting device of the next module, so that the supporting of the square culvert by the modules is more stable.
The second controller obtains that the angle difference value between the i +1 th module and the i th module is larger than a preset value, the second controller adjusts the rotation angle of the supporting device of the i +1 th module, the second controller presets an angle error reference value R0, when R (i +1) -Ri is larger than or equal to R0, the angle theta p of the first supporting device of the i +1 th module is increased to theta p1, and the theta p1 is theta p x (1+ | R (i +1) -Ri-R0 |/R0); the i +1 th module second supporting means angle θ p is lowered to θ p2, θ p2 ═ θ p × (1- | R (i +1) -Ri — R0|2/R0); the i +1 th module third support angle θ p is lowered to θ p3, θ p3 ═ θ p x (1+ | R (i +1) -Ri-R0 |/R0); the angle θ p of the fourth supporting means of the i +1 th module is increased to θ p4, θ p4 ═ θ p × (1- | R (i +1) -Ri-R0|2/R0)。
The second controller obtains that the angle difference between the i +1 th module and the i th module is larger than a preset value, the second controller adjusts the rotation angle of the supporting device of the i +1 th module, the second controller presets an angle error reference value R0, when R (i +1) -Ri is smaller than R0, the angle theta p of the first supporting device of the i +1 th module is increased to theta p1, and theta p1 is equal to theta p x (1- | R (i +1) -Ri-R0)2/R0); the i +1 th module second support angle θ p is lowered to θ p2, θ p2 ═ θ p x (1+ | R (i +1) -Ri-R0 |/R0); the angle θ p of the third supporting means of the i +1 th module is decreased to θ p3, θ p3 ═ θ p × (1+ | R (i +1) -Ri — R0|2/R0); the i +1 th module fourth support angle θ p is increased to θ p4, θ p4 ═ θ p x (1+ | R (i +1) -Ri-R0 |/R0).
The second controller obtains that the angle difference between the i +1 th module and the i th module is within a preset value range, and the second controller adjusts the rotation angle of the second supporting device and the fourth supporting device of the i +1 th module, wherein the angle θ p of the second supporting device of the i +1 th module is increased to θ p2, the angle θ p2 is θ p x (1+ | R (i +1) -Ri-R0|/R0), the angle θ p of the fourth supporting device of the i +1 th module is decreased to θ p4, and the angle θ p4 is θ p x (1+ | R (i +1) -Ri-R0 |/R0).
The second controller is provided with a standard parameter theta 0 of the rotation angle, and adjusts the acquired power parameter Lq of the supporting device according to the rotation angle of each supporting device, wherein,
when θ pm ≧ θ 0, the second controller increases the supporting-device power parameter Lq to Lq1, sets Lq1 ═ Lq × (1+ (θ pm- θ 0)/(θ pm × θ 0)),
when θ pm < θ 0, the second controller decreases the supporting device power parameter Lq to Lq2, setting Lq2 ═ Lq × (1- (θ pm- θ 0)/(θ pm × θ 0));
wherein, p is 1, 2, 3, m is 1, 2, 3, 4, q is 1, 2, 3, 4.
Specifically, the standard parameter theta 0 of the rotation angle of the supporting device is set, when the second control unit obtains that the angle of each supporting device after adjustment is larger than or equal to a standard value, the second controller increases the obtained power parameter, and when the second control unit obtains that the angle of each supporting device after adjustment is smaller than the standard value, the second controller decreases the obtained power parameter, so that the supporting force of each supporting device on the square culvert is selected optimally.
Specifically, the construction process of the prefabricated square culvert and the cable trench foundation provided by the embodiment of the invention specifically comprises the following steps of 001, prefabricating the square culvert; step 002, selecting a cable trench to pass through a path; step 003, cutting a road; step 004, mechanically excavating; 005, manually cleaning; step 006, managing unit inspection groove; step 007, pouring a cushion layer; step 008, prefabricating square culvert installation; step 009, pouring and encapsulating C25 concrete; step 010, backfilling and stacking fine sand; and step 011, restoring the flat road surface.
Specifically, after the mold is erected, pouring needs to be carried out after night, the color strip cloth or the tarpaulin is used for covering the pithead when the mold is erected after night, meanwhile, heating measures are taken in the pit, and during pouring, water, aggregate, additive solution and concrete need to be checked when the concrete is taken out of the tank and the temperature is needed to be checked when the concrete is poured. The temperature of the concrete is checked from the time of entering the mould to the time of removing the insulation or the heated board.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.