1. The utility model provides a device of simulation coral reef sand cementing process which characterized in that includes:

the cylinder body is arranged as a sealed container and used for culturing coral reef sand;

the loading system is used for applying load to the coral reef sand and is close to the compression state of the coral reef sand;

a solution control system for adding or discharging a solution in the cartridge;

the temperature control system is used for keeping the temperature of the solution in the cylinder at a preset value;

the acid-base control system is used for adjusting the acid-base value of the solution in the cylinder;

the detection system comprises a temperature sensing assembly and an acid-base testing assembly which are arranged in the cylinder body;

data collection system, including piezoceramics collection module and particle image measurement module, piezoceramics collection module's at least one input with loading system's loading end is connected, is used for the monitoring coral reef sand's in the barrel change, particle image measurement module is used for tracking the trajectory of movement of coral reef sand in the barrel.

2. The apparatus for simulating a coral reef sand cementing process as claimed in claim 1, wherein: the loading system comprises a loading plate and a hydraulic jack loading device connected with the loading plate, the loading plate is horizontally arranged in the cylinder, and the hydraulic jack loading device is connected with the loading plate through a loading rod.

3. The apparatus for simulating a coral reef sand cementing process as claimed in claim 2, wherein: the loading system further comprises a reaction frame, the reaction frame is arranged on the outer side of the barrel, and the hydraulic jack loading device is arranged on the reaction frame.

4. The apparatus for simulating a coral reef sand cementing process as claimed in claim 2, wherein: the middle part of the top surface of the loading plate is provided with a cylindrical slotted hole, and the loading rod is embedded in the slotted hole.

5. The apparatus for simulating a coral reef sand cementing process as claimed in claim 2, wherein: the piezoelectric ceramic collecting module comprises a first piezoelectric ceramic piece and a second piezoelectric ceramic piece, the first piezoelectric ceramic piece is arranged on the bottom surface of the loading plate, and the second piezoelectric ceramic piece is arranged at the bottom of the cylinder.

6. The apparatus for simulating a coral reef sand cementing process according to claim 5, wherein: the piezoelectric ceramic collecting module further comprises a generator, an oscilloscope and a signal amplifier which are respectively connected with the first piezoelectric ceramic piece and the second piezoelectric ceramic piece.

7. The apparatus for simulating a coral reef sand cementing process as claimed in claim 1, wherein: particle image measurement module is including shooting device, host computer and supplementary sign, the lateral wall of barrel sets up to transparent, supplementary sign set up in the barrel for the change that the response coral reef sand takes place, it shoots to shoot the device the inside of barrel, the host computer is received the data of shooting the device and carry out data analysis.

8. The apparatus for simulating a coral reef sand cementing process according to claim 7, wherein: the supplementary sign includes net and various sand layer, the net sets up on the lateral wall of barrel, various sand layer set up respectively in on the lateral wall of barrel and the coral reef sand, various sand layer is used for responding to the change that the coral reef sand takes place, the net is used for showing the position on various sand layer.

Background

The coral reef sand is used as an important sediment of the south sea island reef foundation and is a preferred material for carrying out island reef engineering construction. Different from land-source loose sediments, natural cementation exists among coral reef sand particles, and the natural cementation changes the mechanical properties of compression, creep and the like of coral sand and simultaneously enables the coral sand to have sensitive structure. The obtaining of the undisturbed coral sand cementing sample is difficult and high in cost, the natural cementing process of the coral sand is very slow, and how to reduce and accelerate the natural cementing process of the coral sand has very important significance in further developing the research on the cementing coral sand geotechnical engineering properties.

Disclosure of Invention

The invention aims to solve at least one technical problem in the prior art, and provides a device for simulating a coral reef sand cementing process, which can reduce and accelerate the natural cementing process of coral sand.

According to an embodiment of the first aspect of the invention, an apparatus for simulating a coral reef sand cementing process is provided, which comprises:

the cylinder body is arranged as a sealed container and used for culturing coral reef sand;

the loading system is used for applying load to the coral reef sand and is close to the compression state of the coral reef sand;

the solution control system is used for adding a solution into the cylinder or discharging the solution;

the temperature control system is used for keeping the temperature of the solution in the cylinder at a preset value;

the acid-base control system is used for adjusting the acid-base value of the solution in the cylinder;

the detection system comprises a temperature sensing assembly and an acid-base testing assembly which are arranged in the cylinder body;

the data collection system comprises a piezoelectric ceramic collection module and a particle image measurement module, wherein at least one input end of the piezoelectric ceramic collection module is connected with a loading end of a loading system and used for monitoring the change of coral reef sand in the barrel, and the particle image measurement module is used for tracking the movement track of the coral reef sand in the barrel.

Has the advantages that: the device for simulating the coral reef sand cementing process is provided with a loading system, a solution control system, a temperature control system and an acid-base control system aiming at the change of conditions such as temperature, acid-base and load pressurization in the experimental process, the influence on the cementing action under various factors is researched by artificially changing external conditions, data in a cylinder body is collected in real time by utilizing a piezoelectric ceramic collecting module, and the natural cementing process of coral sand is favorably reduced and accelerated by utilizing a particle image measuring module as a means for simulation measurement and analysis.

According to the device for simulating the coral reef sand cementing process, disclosed by the embodiment of the first aspect of the invention, the loading system comprises a loading plate and a hydraulic jack loading device connected with the loading plate, the loading plate is horizontally arranged in the barrel, and the hydraulic jack loading device is connected with the loading plate through a loading rod.

According to the device for simulating the coral reef sand cementing process, disclosed by the embodiment of the first aspect of the invention, the loading system further comprises a reaction frame, the reaction frame is arranged on the outer side of the barrel, and the hydraulic jack loading device is arranged on the reaction frame.

According to the device for simulating the coral reef sand cementing process, disclosed by the embodiment of the first aspect of the invention, the middle part of the top surface of the loading plate is provided with the cylindrical slotted hole, and the loading rod is embedded in the slotted hole.

According to the device for simulating the coral reef sand cementing process, disclosed by the embodiment of the first aspect of the invention, the piezoelectric ceramic collecting module comprises a first piezoelectric ceramic piece and a second piezoelectric ceramic piece, the first piezoelectric ceramic piece is arranged on the bottom surface of the loading plate, and the second piezoelectric ceramic piece is arranged on the bottom of the cylinder.

According to the device for simulating the coral reef sand cementing process in the embodiment of the first aspect of the invention, the piezoelectric ceramic collecting module further comprises a generator, an oscilloscope and a signal amplifier, wherein the generator, the oscilloscope and the signal amplifier are respectively connected with the first piezoelectric ceramic piece and the second piezoelectric ceramic piece.

According to the device for simulating the coral reef sand cementing process, the particle image measuring module comprises a shooting device, an upper computer and an auxiliary identifier, the side wall of the cylinder body is transparent, the auxiliary identifier is arranged in the cylinder body and used for sensing changes of coral reef sand, the shooting device shoots the interior of the cylinder body, and the upper computer receives data of the shooting device and performs data analysis.

According to the device for simulating the coral reef sand cementing process, the auxiliary mark comprises a grid and a colored sand layer, the grid is arranged on the side wall of the barrel, the colored sand layer is respectively arranged on the side wall of the barrel and the coral reef sand, the colored sand layer is used for sensing the change of the coral reef sand, and the grid is used for indicating the position of the colored sand layer.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, an apparatus for simulating a coral reef sand cementing process includes: the coral reef sand culture device comprises a cylinder body 10, a loading system, a solution control system 30, a temperature control system 40, an acid-base control system 50, a detection system and a data collection system, wherein the cylinder body 10 is arranged as a sealed container and used for culturing coral reef sand; the loading system is used for applying load to the coral reef sand and is close to the compression state of the coral reef sand; wherein the solution control system 30 is used for adding solution or discharging solution in the cylinder 10, and the selection of the solution can be selected according to the situation required to be simulated by a specific experiment; the temperature control system 40 is used for keeping the temperature of the solution in the cylinder 10 at a preset value, and controlling the temperature control system 40 according to the temperature required to be simulated in a specific experiment; wherein the acid-base control system 50 is used for adjusting the acid-base value of the solution in the cylinder 10; the detection system comprises a temperature sensing assembly 41 and an acid-base testing assembly 51 which are arranged in the cylinder body 10, wherein the temperature sensing assembly 41 is matched with the temperature control system 40 for use, and the acid-base testing assembly 51 is matched with the acid-base control system 50 for use; the data collection system comprises a piezoelectric ceramic collection module and a particle image measurement module, at least one input end of the piezoelectric ceramic collection module is connected with a loading end of the loading system and used for monitoring changes of coral reef sand in the barrel 10, and the particle image measurement module is used for tracking the movement track of the coral reef sand in the barrel 10. This device of simulation coral reef sand cementing process has set up loading system, solution control system 30, temperature control system 40 and acid-base control system 50 respectively to the change of conditions such as the temperature is related to in the experimentation, go to study the influence to the cementation under the various factors through artificial change external conditions, and utilize the interior data of piezoceramics collection module real-time acquisition barrel 10, utilize particle image measurement module as the means of analogue measurement and analysis, help the natural cementation process of reduction and acceleration coral sand.

Preferably, the solution control system 30 includes a solution tank into which various solutions to be added for the experiment can be poured and added through the solution control system 30. The temperature control system 40 adopts a constant temperature water bath, the constant temperature water bath is arranged in the barrel 10 to keep the temperature of the solution in the barrel 10 constant, the specific temperature is monitored and read by the temperature sensing assembly 41, and the temperature of the constant temperature water bath is controlled according to the required temperature to control the temperature of the barrel 10. Specifically, the inlet water pipe setting of constant temperature water bath is in the bottom of barrel 10, and the outlet water pipe setting of constant temperature water bath is at the top of barrel 10, guarantees like this that the coral reef sand in the barrel 10 can evenly be heated completely. The acid-base control system 50 adopts a gas generator, the gas generator is utilized to change the concentration and the type of the solution gas in the cylinder body 10, the acidity and the alkalinity of the solution in the cylinder body 10 are adjusted, the inlet of the gas generator is connected with the bottom of the cylinder body 10, and the full reaction of the gas to be ventilated and the material in the cylinder body 10 is ensured. According to the solution control system 30 and the gas generator, the acidity and alkalinity of the solution in the cylinder 10 can be adjusted, the acidity and alkalinity of the device can be adjusted according to experimental conditions, the acid and alkali testing component 51 is arranged, and the change condition of the acidity and alkalinity in the cylinder 10 can be monitored in real time.

Preferably, the acid-base testing component 51 is configured as an acid-base tester and the temperature sensing component 41 is configured as a temperature sensor.

Preferably, barrel 10 adopts transparent toughened glass bucket that excels in, barrel 10 includes section of thick bamboo wall and bung, all sets up the rubber circle in the junction of section of thick bamboo wall and bung, wherein all sets up certain quantity, the round hole of a certain size on the bottom of section of thick bamboo wall and the bung for drawing forth of later stage water, solution, pipeline etc. the round hole correspondence of upper portion and lower part is joined in marriage corrosion-resistant solid bolt or the hollow bolt of corresponding size, hollow screw is used for drawing forth, solid bolt guarantees that the round hole seals, specifically chooses for use according to the experiment, guarantees the seal.

Preferably, the loading system comprises a loading plate 22 and a hydraulic jack loading device 21 connected with the loading plate 22, the loading plate 22 is horizontally arranged in the cylinder 10, and the hydraulic jack loading device 21 is connected with the loading plate 22 through a loading rod. The use of a jack loading device has a number of advantages. Not only can the force required by the experiment be accurately controlled, but also loading can be carried out by controlling the displacement required by the experiment. When the force is controlled, the force can be obtained by matching with the dial reading of the jack, and when the displacement is loaded by controlling, the displacement meter is matched to obtain the displacement distance, and the loading of the jack is controlled by the reading of the displacement meter. Compared with common lever loading or air pressure loading, the jack loading is more stable and safe, the occupied area is small, the required materials are few, the types of control factors are multiple, and various loading modes of the experimental scheme are met.

Preferably, the loading system further comprises a reaction frame 23, the reaction frame 23 is arranged on the outer side of the barrel 10, and the hydraulic jack loading device 21 is arranged on the reaction frame 23. Specifically, the reaction frame 23 comprises a top plate, an upright rod and a bottom plate, wherein the top plate and the bottom plate are high-strength steel plates, the upright rod is made of high-strength bolts, and the bottom of the bottom plate is provided with a pulley, so that the reaction frame is convenient to move.

Preferably, a cylindrical slot is formed in the middle of the top surface of the loading plate 22, and the loading rod is inserted into the slot to ensure that the axis is pressed during the loading process. The loading plate 22 can be made of high-strength stainless steel loading plate 22, and has the characteristics of high compressive strength, high corrosion resistance and the like.

Preferably, the piezoceramic collection module comprises a first piezoceramic sheet 61 and a second piezoceramic sheet 62, wherein the first piezoceramic sheet 61 is arranged on the bottom surface of the loading plate 22, and the second piezoceramic sheet 62 is arranged on the bottom of the cylinder 10. The first piezoelectric ceramic piece 61 corresponds to the second piezoelectric ceramic piece 62, and changes of the coral reef sand along with signals of the experimental process are monitored.

Preferably, the piezoceramic collection module further comprises a generator, an oscilloscope 63 and a signal amplifier, which are respectively connected with the first piezoceramic sheet 61 and the second piezoceramic sheet 62. The signal transmission of the first piezoelectric ceramic piece 61 and the second piezoelectric ceramic piece 62 is led out by a lead, and by adopting a mode of combining a signal generator and a loading rod, a signal wave passes through an experimental device material to reflect the internal change condition, and then passes through a formula:namely, the energy variation of the experimental material in the experimental process can be calculatedAnd (5) changing the situation.

Preferably, particle image measurement module is including shooting device 71, host computer 72 and supplementary sign, and the lateral wall of barrel 10 sets up to transparent, and supplementary sign sets up in barrel 10 for the change that the response coral reef sand takes place, and shooting device 71 shoots the inside of barrel 10, and host computer 72 receives shooting device 71's data and carries out data analysis. Specifically, the shooting device 71 may be an industrial camera, the upper computer 72 may be a computer, and the corresponding pictures are collected by the industrial camera, connected to the computer, and then processed according to a program to obtain experimental data.

Preferably, supplementary sign includes net 11 and colored sand layer, and net 11 sets up on the lateral wall of barrel 10, and colored sand layer sets up respectively on the lateral wall of barrel 10 and coral reef sand, and colored sand layer is used for responding to the change that coral reef sand takes place, and net 11 is used for showing the position on colored sand layer. The grids 11 can be directly drawn on the side wall of the cylinder 10, the preferred grids 11 are equidistant grids 11, the colored sand layer is formed by colored sand particles, the color sand particles are used for tracking the change of materials of the experimental device in real time, and an industrial camera is used for determining the motion track of the color sand particles of the tracking device.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.