1. The utility model provides a tunnel is with vertical drainage blind pipe of integral type of supporting role of permeating water of area which characterized in that: comprises a water-permeable supporting block, a longitudinal drainage blind pipe and water-permeable filter cloth;

when the longitudinal drainage blind pipe is made of an HDPE perforated corrugated pipe or a plastic pipe, the water-permeable supporting block is a wire-wound water-permeable supporting wedge-shaped block, the longitudinal drainage blind pipe and the wire-wound water-permeable supporting wedge-shaped block are combined into a whole, and water-permeable filter cloth is wrapped on the outer side of the longitudinal drainage blind pipe; when the longitudinal drainage blind pipe and the permeable supporting block are both made of plastic synthetic resin, the plastic synthetic resin is directly extruded and molded into an integrated longitudinal drainage blind pipe and a permeable supporting block in a hot melting state, and the outer side of the structure body of the integrated longitudinal drainage blind pipe and the permeable supporting block is wrapped with permeable filter cloth;

the whole body formed by the longitudinal drainage blind pipe and the water-permeable supporting block is of a water drop-shaped structure.

2. The integral longitudinal drainage blind pipe with water permeable supporting function for the tunnel according to claim 1, is characterized in that: the filament-wound water-permeable supporting wedge-shaped block or the integrated longitudinal drainage blind pipe and the water-permeable supporting block are all structured in a way that a filament-wound pipe is dissolved on a joint point through extruded plastic filaments in a hot melting state, so that a three-dimensional filament-wound net structure is formed.

3. The integral longitudinal drainage blind pipe with water permeable supporting function for the tunnel according to claim 2, is characterized in that: the plastic strips with the three-dimensional winding net structure are regularly or irregularly arranged.

4. The integral longitudinal drainage blind pipe with water permeable supporting function for the tunnel according to claim 1, is characterized in that: the lengths of two side edges of the cross section of the integrated longitudinal drainage blind pipe, which is made of the same material as the water-permeable supporting block, are equal or unequal, and the two side edges are matched with the space shape formed by the primary support and the waterproof plate.

Background

The existing vertical drainage blind pipe and the sand-free concrete above the pipe top are arranged in a separated mode, the vertical drainage blind pipe of the tunnel is laid firstly, and then the sand-free concrete is arranged above the pipe top, so that the technical scheme has great defects in the aspects of construction effect and construction difficulty, and the main performance is as follows: firstly, the process is complicated, secondly, the construction difficulty of the sand-free concrete above the pipe top is high, and the concrete blocks with poor water permeability are easily formed due to improper mixture ratio of the gravel mortar; thirdly, the sand-free concrete blocks are fragile and loose in the transportation and installation processes; fourthly, the positions and the shapes of the sand-free concrete blocks are easy to lose shape, and the sand-free concrete blocks cannot play a role in supporting the waterproof plate at the correct positions, so that the smoothness of the longitudinal blind pipes is poor, and the water permeating and draining effects are reduced; fifthly, the sand-free concrete has heavy weight and high construction difficulty, workers are unwilling to implement, and the phenomena of material loss caused by work stealing such as non-implementation and the like generally exist.

Disclosure of Invention

The invention aims to provide an integrated longitudinal drainage blind pipe with a water permeable supporting function for a tunnel, which solves the problems that the vertical blind pipe of the tunnel is unstable in support, the construction difficulty of sand-free concrete above the pipe top is high, the working procedures are multiple, the working efficiency is low and the water permeable effect is difficult to ensure; the integrated longitudinal drainage blind pipe is light in weight, convenient to install and transport, high in work efficiency, more economical and environment-friendly, and can achieve the purposes of improving the drainage capacity of the tunnel, facilitating construction, saving labor and reducing construction cost.

In order to achieve the purpose, the invention provides the following scheme: the invention provides an integrated longitudinal drainage blind pipe with a water permeable supporting function for a tunnel.

When the longitudinal drainage blind pipe is made of an HDPE perforated corrugated pipe or a plastic pipe, the water-permeable supporting block is a wire-wound water-permeable supporting wedge-shaped block, the longitudinal drainage blind pipe and the wire-wound water-permeable supporting wedge-shaped block are combined into a whole, and water-permeable filter cloth is wrapped on the outer side of the longitudinal drainage blind pipe; when the longitudinal drainage blind pipe and the permeable supporting block both adopt plastic synthetic resin, the plastic synthetic resin is directly extruded and molded into an integrated longitudinal drainage blind pipe with the permeable supporting function in a hot melting state;

the whole body formed by the longitudinal drainage blind pipe and the water-permeable supporting block is of a water drop-shaped structure.

Preferably, the bottom surface of the integral longitudinal drainage blind pipe with the water permeable supporting function for the tunnel is an arc surface, and two side surfaces of the integral longitudinal drainage blind pipe are matched with the space shape formed by the primary support and the waterproof plate.

Preferably, the length of two side edges of the cross section of the integral longitudinal drainage blind pipe with the water permeable supporting function for the tunnel is equal or unequal.

Preferably, the radius of the circular drainage channel in the integrated longitudinal drainage blind pipe with the water permeable supporting function for the tunnel is 35-80 mm.

Preferably, when the longitudinal drainage blind pipe and the permeable supporting block both adopt plastic synthetic resin, the plastic synthetic resin is in a hot-melting state, and the direct extrusion molding of the integral longitudinal drainage blind pipe with the permeable supporting function is to form a three-dimensional filament winding net structure by extruding plastic filaments from filament winding pipes in a hot-melting state and dissolving the filaments at a joint.

Preferably, the filaments in the three-dimensional net structure are regularly or irregularly arranged.

Compared with the prior art, the invention has the following beneficial technical effects:

the integral longitudinal drainage blind pipe with the water permeable supporting function for the tunnel adopts the structural form and the construction process of replacing the traditional longitudinal drainage pipe and the loose sand-free concrete by the stable wire-wound space body, and compared with the traditional longitudinal drainage pipe and the loose sand-free concrete, the integral longitudinal drainage blind pipe with the water permeable supporting function has the advantages of being superior to the sand-free concrete in drainage effect and supporting function, and the most important point is that the wire-wound structure wraps the longitudinal blind pipe to be connected into a whole, so that the construction is convenient, the labor force is saved, and the construction cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of an integrated longitudinal drainage blind pipe;

FIG. 2 is a schematic view of the overall structure of a combined longitudinal drainage blind pipe;

FIG. 3 is a schematic view of a proposed dimension one of an integral longitudinal drainage blind pipe;

FIG. 4 is a schematic view of a planned dimension two of the integrated longitudinal drainage blind pipe;

FIG. 5 is a schematic view of a planned dimension three of the integrated longitudinal drainage blind pipe;

wherein, 1 the water permeable supporting block; 2, water-permeable filter cloth; 3 longitudinal drainage blind pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention aims to provide an integrated longitudinal drainage blind pipe with a water permeable supporting function for a tunnel, which solves the problems that the vertical blind pipe of the tunnel is unstable in support, the construction difficulty of sand-free concrete above the pipe top is high, the working procedures are multiple, the working efficiency is low and the water permeable effect is difficult to ensure; the material is light, convenient to install and transport, high in work efficiency, more economical and environment-friendly, and aims to improve the drainage capacity of the tunnel, facilitate construction, save labor force and reduce construction cost through the integrated longitudinal drainage blind pipe.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in figures 1-2, the invention provides an integral longitudinal drainage blind pipe with water permeable supporting function for tunnel, comprising a water permeable supporting block 1 and a longitudinal drainage blind pipe 3, the invention can be a HDPE perforated corrugated pipe or other assembly formed by wrapping a water permeable filter cloth 2 outside a longitudinal drainage plastic pipe and a filament-wound water permeable supporting wedge-shaped block (as shown in figure 2), or an integral longitudinal drainage blind pipe with a water permeable supporting block 1 made of filament-wound thermoplastic synthetic resin (as shown in figure 1), the filament-wound pipe is made by extruding fine plastic filament and dissolving the filament at the combining point under the hot melting state, therefore, a three-dimensional wire winding net structure is formed, a water drop-shaped drainage pipe structure is formed, the mounting process can be perfectly matched with the primary support of the tunnel, and the water-permeable water-cooled water drainage pipe has the advantages of high strength, light weight, good water permeability, stable space structure, convenience in construction and the like.

The blind pipe and the device are arranged in a manner of extending in the longitudinal direction of the tunnel, so that a cross section is drawn, and according to the common size of the blind pipe, three sizes (unit: mm) of the device are drawn as shown in figures 3-5, and figure 3: the outer diameter of the longitudinal drainage blind pipe of the tunnel is 80mm, the upper part of the winding material is in a wedge shape, the lower part of the winding material is wrapped with a punching corrugated pipe to form an integrated structure, wherein the length of a straight line section is 150mm, an arc angle is 147 degrees and 31 degrees, the length of the arc is 105.3mm, and a round angle with the radius of 5mm is arranged at the intersection point of the two straight lines.

FIG. 4: the outer diameter of the longitudinal drainage blind pipe of the tunnel is 100mm, the upper part of the winding material is in a wedge shape, the lower part of the winding material is wrapped with a punching corrugated pipe to form an integrated structure, wherein the length of a straight line section is 160mm, an arc angle is 143 degrees and 12 degrees, the length of the arc is 127.2mm, and a round angle with the radius of 5mm is arranged at the intersection point of the two straight lines.

FIG. 5: the outer diameter of the longitudinal drainage blind pipe of the tunnel is 110mm, the upper part of the wire winding material is in a wedge shape, the lower part of the wire winding material is wrapped with a punching corrugated pipe to form an integrated structure, wherein the length of a straight line section is 170mm, an arc angle is 142 degrees and 14 degrees, the length of the arc is 138.7mm, and a round angle with the radius of 5mm is arranged at the intersection point of the two straight lines.

The outside of the filament winding type wedge-shaped body structure is wrapped with geotextile; the lengths of the two straight line sections are set to be equal for convenient installation; the straight line is tangent with the blind pipe ring, so that the blind pipe can be wrapped by the wedge body at the maximum radian when the length of the straight line is fixed, and the wedge body can be uniformly stressed integrally.

The invention relates to an integrated longitudinal drainage blind pipe with a water permeable supporting function for a tunnel, which comprises (1) a longitudinal drainage blind pipe 3 and a water permeable supporting block above a pipe top form an integral body or a water-drop-shaped integrated longitudinal drainage blind pipe; 2. the vertical drainage blind pipe 3 can adopt the combination of the prior HDPE perforated corrugated pipe or plastic drainage pipe and the wire-wound reticular wedge-shaped water-permeable supporting block, and also can adopt an integrated vertical drainage blind pipe which is made of wire-wound thermoplastic synthetic resin and is provided with the water-permeable supporting block, namely a water-drop-shaped drainage pipe, the structural arc bottom surface is matched with the external diameter arc line of the circular drainage pipe, and the two side surfaces are matched with the space shape formed by the preliminary bracing and the waterproof board. Through the arrangement, the integrated longitudinal drainage blind pipe with the water permeable supporting function for the tunnel has the advantages of being strong in water permeable supporting effect, light in weight, high in strength, convenient to install, capable of saving labor force, good in work efficiency and durability and the like.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.