CN218952240U

CN218952240U - Communication structure of retaining wall and roadbed drainage ditch

Info

Publication number: CN218952240U
Application number: CN202223209124.XU
Authority: CN
Inventors: 廖鑫; 吴徐华; 闫君; 何安生; 何颖
Original assignee: PowerChina Zhongnan Engineering Corp Ltd
Current assignee: PowerChina Zhongnan Engineering Corp Ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-05-02
Anticipated expiration: 2032-12-01

Abstract

The utility model provides a communication structure of a retaining wall and roadbed drainage ditches, which comprises the retaining wall, a first roadbed drainage ditch and a second roadbed drainage ditch, wherein the first roadbed drainage ditches and the second roadbed drainage ditches are arranged on two longitudinal sides of the retaining wall; the top elevation of the retaining wall is higher than the top elevations of the first road base drainage ditch and the second road base drainage ditch; the inside of barricade is equipped with vertical drainage structure, vertical drainage structure runs through and locates the inside of barricade, vertical drainage structure's water inlet with first road base escape canal is linked together, its delivery port with second road bed escape canal is linked together. According to the utility model, the longitudinal drainage structure is arranged in the retaining wall, and the two ends of the longitudinal drainage structure are communicated with the roadbed drainage ditches at the two longitudinal sides of the retaining wall, so that the problem of unsmooth drainage caused by blocking the roadbed drainage ditches by the retaining wall is effectively solved, the water in the roadbed drainage ditches is prevented from being scattered nearby at the position of the retaining wall, and adverse effects on surrounding farmlands and structures at the position of the retaining wall are avoided.

Description

Communication structure of retaining wall and roadbed drainage ditch

Technical Field

The utility model relates to the technical field of road engineering, in particular to a communication structure of a retaining wall and a roadbed drainage ditch.

Background

When the roadbed is restricted by external conditions such as surrounding topography, basic farmland and structures and the like and a supporting retaining wall is required to be arranged, under the condition that the elevation of the retaining wall is higher than the elevation of the roadbed drainage ditch tops at two ends, the drainage ditch can be interrupted, water in the drainage ditch can not be drained to a proper position for drainage, and the water in the drainage ditch can only be nearly dispersed at the position of the retaining wall, so that adverse effects are caused to the surrounding farmland, structures and the like at the position of the retaining wall.

Accordingly, there is a need in the art to develop a communication structure between a retaining wall and a drainage ditch of a roadbed to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a communication structure of a retaining wall and a roadbed drainage ditch, aiming at the defect that the roadbed drainage ditch is interrupted under the condition that the top elevation of the retaining wall is higher than the top elevations of roadbed drainage ditches at two ends, so as to ensure that the drainage of the roadbed drainage ditches at the position of the retaining wall is smooth.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the communication structure of the retaining wall and the roadbed drainage ditches comprises the retaining wall, a first roadbed drainage ditches and a second roadbed drainage ditches which are arranged on two longitudinal sides of the retaining wall, wherein the top elevation of the retaining wall is higher than the top elevations of the first roadbed drainage ditches and the second roadbed drainage ditches; the retaining wall is characterized in that a longitudinal drainage structure is arranged in the retaining wall and penetrates through the retaining wall; the water inlet of the longitudinal drainage structure is communicated with the first road base drainage ditch, and the water outlet of the longitudinal drainage structure is communicated with the second road base drainage ditch.

Above-mentioned a barricade and roadbed escape canal's communication structure is linked together through the roadbed escape canal that sets up vertical drainage structures in the barricade inside, and vertical drainage structures's both ends are linked together with the vertical both sides of barricade, has effectively solved the unsmooth problem of drainage that leads to because of the barricade blocks roadbed escape canal, has avoided the water in the roadbed escape canal to scatter nearby in barricade position department, can not cause adverse effect to peripheral farmland, the structure of barricade position department.

Further, the distance L between the longitudinal drainage structure and the outer side surface of the retaining wall is more than or equal to 50cm. Therefore, the longitudinal drainage structure can be ensured to be safe and free of damage to the retaining wall structure, and concrete on two sides of the drainage structure can be conveniently vibrated and compacted, so that the structural stability and the integral pouring quality of the retaining wall 1 are ensured.

Further, a plurality of layers of reinforcing steel bar meshes are arranged around the longitudinal drainage structure. Therefore, the influence of the longitudinal drainage structure on the stability of the retaining wall structure can be avoided.

Further, the longitudinal drainage structure is a drainage groove or a drainage pipe.

Still further, the width of the longitudinal drain structure is no greater than 80cm and the height of the longitudinal drain structure is no greater than 80cm.

Further, a metal grid is arranged at the water inlet position of the longitudinal drainage structure. Larger sundries can be prevented from entering the longitudinal drainage structure, and the drainage efficiency of the longitudinal drainage structure can be ensured.

Furthermore, the first road base drainage ditch is provided with a sand setting tank at a position close to the water inlet. Therefore, the accumulation and blockage of sundries and silt in the longitudinal drainage structure can be avoided, and the smooth drainage of the longitudinal drainage structure can be further ensured.

Compared with the prior art, the utility model has the beneficial effects that: according to the communication structure of the retaining wall and the roadbed drainage ditch, the longitudinal drainage structure is arranged in the retaining wall, and the two ends of the longitudinal drainage structure are communicated with the roadbed drainage ditches on the two longitudinal sides of the retaining wall, so that smooth drainage of the roadbed drainage ditches at the position of the retaining wall can be ensured, the problem of unsmooth drainage caused by blocking the roadbed drainage ditches by the retaining wall is effectively solved, water in the roadbed drainage ditches is prevented from being scattered nearby at the position of the retaining wall, and adverse effects on surrounding farmlands and structures at the position of the retaining wall can be avoided.

Drawings

FIGS. 1 and 2 are cross-sectional views of a retaining wall according to one embodiment of the present utility model;

FIGS. 3 and 4 are cross-sectional views of a retaining wall at the water inlet in accordance with one embodiment of the present utility model;

fig. 5 is a vertical section view of a communication structure between a retaining wall and a roadbed drainage ditch according to the present utility model.

In the figure: 1. a retaining wall; 11. an outer side surface; 2. a first base drain; 3. the second roadbed drainage ditch; 4. a longitudinal drainage structure; 41. a water inlet; 42. a water outlet; 5. reinforcing steel bar net; 6. a metal grid; 7. a sand setting tank; 8. a lateral drainage structure; 9. a ground line; l, the distance between the longitudinal drainage structure and the outer side surface of the retaining wall.

Detailed Description

The utility model will be described in detail below with reference to the drawings in connection with embodiments. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" are used hereinafter to denote only the directions corresponding to the upper, lower, left, and right directions of the drawings, and do not limit the structure.

As shown in fig. 1 to 5, a communication structure between a retaining wall and a roadbed drainage ditch according to the present embodiment includes a retaining wall 1, and a first roadbed drainage ditch 2 and a second roadbed drainage ditch 3 disposed on two longitudinal sides of the retaining wall 1. The retaining wall 1 is a balanced retaining wall or an inclined retaining wall. The top elevation of the retaining wall 1 is higher than the top elevations of the first road base drainage ditch 2 and the second roadbed drainage ditch 3. The inside of the retaining wall 1 is provided with a longitudinal drainage structure 4, and the longitudinal drainage structure 4 is arranged inside the retaining wall 1 in a penetrating way. The water inlet 41 of the longitudinal drainage structure 4 is communicated with the first road base drainage ditch 2, and the water outlet 42 of the longitudinal drainage structure is communicated with the second road base drainage ditch 3.

As shown in fig. 1 and 2, the distance L between the longitudinal drainage structure 4 and the outer side surface 11 of the retaining wall 1 is more than or equal to 50cm. Therefore, the longitudinal drainage structure can be ensured to be safe and free of damage to the retaining wall structure, and concrete on two sides of the drainage structure can be conveniently vibrated and compacted, so that the structural stability and the integral pouring quality of the retaining wall 1 are ensured. Two layers of reinforcing steel bar meshes 5 are arranged around the longitudinal drainage structure 4, and the reinforcing steel bar meshes 5 are formed by binding reinforcing steel bars with diameters not smaller than 20 mm. Thereby, stability of the longitudinal drain structure 4 can be ensured.

As shown in fig. 1 and 2, the longitudinal drain structure 4 is a drain tank or pipe. The drainage tank is of a reinforced concrete structure. The drain pipe is a PVC pipe. Other drain pipes with better durability and lighter weight can be adopted as the drain pipe. The width of the longitudinal drain structure 4 is not more than 80cm, and the height of the longitudinal drain structure 4 is not more than 80cm.

As shown in fig. 3 and 4, a metal grid 6 is provided at the position of the water inlet 41 of the longitudinal drain structure 4. The metal grid 6 is a steel grid. Thereby, the entry of large foreign matters into the longitudinal drain structure 4 can be avoided, and the drain efficiency of the longitudinal drain structure 4 can be ensured.

As shown in fig. 5, the first road base drain 2 is provided with a grit chamber 7 at a position near the water inlet 41. The length of the grit chamber 7 is not less than 50cm, and the depth thereof is not less than 30cm. Therefore, the sundries and the silt in the longitudinal drainage structure 4 can be prevented from being accumulated and blocked, and the smooth drainage of the longitudinal drainage structure can be ensured.

According to the communication structure of the retaining wall and the roadbed drainage ditch, the construction process is that the retaining wall 1 is firstly constructed to the ditch bottom height of the roadbed drainage ditch on two sides of the retaining wall 1, then the longitudinal drainage structure 4 is buried in the retaining wall 1, the metal grating 5 is installed at the water inlet 41 of the longitudinal drainage structure 4, the retaining wall 1 is continuously constructed to the designed height, and finally the roadbed drainage ditches on two longitudinal sides of the retaining wall 1 are constructed, so that the longitudinal drainage structure 4 is communicated with the roadbed drainage ditches on two sides of the retaining wall 1.

In the construction process, if the transverse drainage structure 8 and the longitudinal drainage structure 4 in the retaining wall 1 are crossed, the transverse drainage structure 8 and the longitudinal drainage structure 4 can be connected in a penetrating way, and water in the transverse drainage structure 8 can be discharged from the longitudinal drainage structure 4 in a concentrated way.

According to the communication structure of the retaining wall and the roadbed drainage ditch, the longitudinal drainage structures are arranged inside the retaining wall, two ends of the longitudinal drainage structures are communicated with the roadbed drainage structures on two longitudinal sides of the retaining wall, smooth drainage of the roadbed drainage ditch at the position of the retaining wall can be guaranteed, the problem that drainage is not smooth due to the fact that the retaining wall blocks the roadbed drainage ditch is effectively solved, water in the roadbed drainage ditch is prevented from being scattered nearby at the position of the retaining wall, and adverse effects on surrounding farmlands and structures at the position of the retaining wall can be avoided.

The foregoing examples are set forth in order to provide a more thorough description of the present utility model, and are not intended to limit the scope of the utility model, since modifications of the present utility model, in which equivalents thereof will occur to persons skilled in the art upon reading the present utility model, are intended to fall within the scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a communication structure of barricade and road bed escape canal, includes barricade (1) and locates first road bed escape canal (2) and second road bed escape canal (3) of barricade (1) longitudinal both sides, the overhead elevation of barricade (1) is higher than the overhead elevation of first road bed escape canal (2) and second road bed escape canal (3); the retaining wall is characterized in that a longitudinal drainage structure (4) is arranged in the retaining wall (1), and the longitudinal drainage structure (4) is arranged in the retaining wall (1) in a penetrating manner; the water inlet (41) of the longitudinal drainage structure (4) is communicated with the first road base drainage ditch (2), and the water outlet (42) of the longitudinal drainage structure is communicated with the second road base drainage ditch (3).

2. The structure for communicating a retaining wall with a roadbed drainage ditch according to claim 1, wherein the distance L between the longitudinal drainage structure (4) and the outer side surface (11) of the retaining wall (1) is more than or equal to 50cm.

3. The structure for communicating a retaining wall with a roadbed drainage ditch according to claim 1, wherein a plurality of layers of reinforcing steel bar meshes (5) are arranged around the longitudinal drainage structure (4).

4. A retaining wall and subgrade drainage ditch communication structure according to claim 1, characterized in that said longitudinal drainage structure (4) is a drainage channel or drain.

5. The structure according to claim 4, wherein the width of the longitudinal drainage structure (4) is not more than 80cm, and the height of the longitudinal drainage structure (4) is not more than 80cm.

6. A retaining wall and subgrade drainage ditch communicating structure according to claim 1, characterized in that a metal grating (6) is provided at the water inlet (41) of said longitudinal drainage structure (4).

7. The structure for communicating a retaining wall with a roadbed drain according to claim 6, wherein the first roadbed drain (2) is provided with a grit chamber (7) at a position close to the water inlet (41).