CN215483084U

CN215483084U - Retaining wall drainage structure

Info

Publication number: CN215483084U
Application number: CN202121161642.1U
Authority: CN
Inventors: 石亚光; 王强; 张绪庆; 陈庚
Original assignee: Wisdri Engineering and Research Incorporation Ltd; Wisdri Urban Construction Engineering Technology Co Ltd
Current assignee: Wisdri Engineering and Research Incorporation Ltd; Wisdri Urban Construction Engineering Technology Co Ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2022-01-11
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a retaining wall drainage structure, comprising: wall body and drainage structures, pre-buried in the wall body has a plurality of drainage structures, the wall body has wall and wall back, drainage structures includes: the drainage pipe and the diversion funnel are flexibly connected through the flexible connecting portion, the drainage pipe penetrates out of the wall body, the end face of the diversion funnel is flush with the surface of the wall back, and the technical problems that in the prior art, the reverse filtering structure is easily damaged, the water inlet hole is blocked, and the drainage effect behind the wall is affected are solved.

Description

Retaining wall drainage structure

Technical Field

The utility model belongs to the technical field of buildings, and particularly relates to a retaining wall drainage structure.

Background

The roadbed is influenced by the action of natural factors for a long time, the physical and mechanical properties of the rock soil decay under the action of unfavorable hydrographic conditions, so that the roadbed generates diseases, and in order to ensure that the roadbed has enough strength and stability, roadbed protection, retaining and reinforcement are indispensable engineering measures.

The retaining wall is a wall structure for supporting roadbed filling or hillside soil body and preventing the filling or soil body from deforming and destabilizing. In a road fill side slope, in order to prevent the sliding of a roadbed side slope or the instability of a side slope soil body, and simultaneously shrink a slope toe, the occupied area and the removal are reduced, a retaining wall is often required to be arranged.

Whether the drainage treatment of retaining wall is proper or not directly influences the safety and the use effect of retaining wall. Therefore, the retaining wall should be provided with drainage facilities to reduce the water content in the filler behind the wall and prevent the surface water from seeping to form accumulated water behind the wall, so that the wall body is prevented from being subjected to extra hydrostatic pressure; eliminating the expansion pressure of the clay filler caused by the increase of water content; reduce the frost heaving pressure of the filler in seasonally frozen areas.

The conventional treatment of the water inlet is that the sand is filled in the reverse filtering geotextile to form a sand bag which is slightly larger than the water inlet of the drain pipe at the position of the water inlet behind the retaining wall, and the water inlet is blocked by the sand bag to form a reverse filtering structure. Or graded broken stones are paved around the water inlet hole to form a reverse filtering structure.

However, in actual construction, when the retaining wall back is backfilled with roadbed soil, the filling soil near the water inlet hole cannot be compacted well, and the inverse filtering structure is easily damaged, so that the water inlet hole is blocked, and the drainage effect behind the wall is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a retaining wall drainage structure, which solves the technical problems that in the prior art, a reverse filtering structure is easy to damage, so that a water inlet hole is blocked, and the drainage effect behind a wall is influenced.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a retaining wall drainage structure comprising: wall body and drainage structures, pre-buried in the wall body has a plurality of drainage structures, the wall body has wall and wall back, drainage structures includes: the drainage pipe and the diversion funnel realize flexible connection through flexible connecting parts, the wall body is worn out to the drainage pipe, diversion funnel terminal surface and wall back surface parallel and level.

According to the retaining wall drainage structure, the flexible connecting part is the bent steel wire corrugated rubber pipe, and the flexible connecting part is in threaded connection with the drainage pipe and the water diversion funnel.

According to the retaining wall drainage structure, the filtering stones are filled in the water diversion funnel.

According to the retaining wall drainage structure, the front end reverse filtering structure is arranged at one end, close to the flexible connecting part, of the water diversion funnel.

According to the retaining wall drainage structure, the end part of the diversion funnel, which is close to the wall back, is provided with the rear end reverse filtering structure.

The utility model relates to a retaining wall drainage structure, which comprises a front end reverse filtering structure and a rear end reverse filtering structure from left to right in sequence: geotextile and steel wire mesh.

According to the retaining wall drainage structure, the aperture of the steel wire mesh sheet is smaller than the particle size of the filtering stones.

According to the retaining wall drainage structure, the diameter of one end, close to the drainage pipe, of the water diversion funnel is smaller than that of the end, close to the wall back, of the water diversion funnel.

The utility model has the following beneficial effects: the utility model provides a barricade drainage structures, through setting up the great diversion funnel of the great drain pipe of import, the water inlet area has been increased, improve drainage efficiency behind the wall, simultaneously through setting up flexonics portion, can make the adjustment of realizing the position in the diversion funnel installation, thereby make its terminal surface and wall back of the body parallel and level, do benefit to the diversion, and easily compaction, prevent that the inlet from damaging, lead to blockking up and make the drainage inefficacy, and because diversion funnel tip and wall back of the body parallel and level, its rear end anti-filtration structure can be fixed on the wall back of the body, the protective capacities has further been improved.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is an exploded view of a drainage structure according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1-2, a retaining wall drainage structure includes: wall body 1 and drainage structures 2, pre-buried a plurality of drainage structures 2 in the wall body 1, wall body 1 has wall 1 and wall back 2, drainage structures 2 include: drain pipe 21 and diversion funnel 22, flexible connection is realized through flexonics portion 23 to drain pipe 21 and diversion funnel 22, wall body 1 is worn out to drain pipe 21, diversion funnel 22 terminal surface and wall back 2 surface parallel and level.

In a preferred embodiment of the present invention, the flexible connection portion 23 is a bent steel wire corrugated rubber pipe, and the flexible connection portion 23 is in threaded connection with the drain pipe 21 and the diversion funnel 22.

In the preferred embodiment of the present invention, the funnel 22 is filled with filtering stones 25.

In the preferred embodiment of the present invention, the end of the funnel 22 near the flexible connection portion 23 is provided with a front-end reverse filtering structure 24.

In the preferred embodiment of the present invention, the end of the funnel 22 near the wall back 2 is provided with a rear-end reverse filtering structure 26.

In a preferred embodiment of the present invention, the front end inverse filtering structure 24 and the rear end inverse filtering structure 26 sequentially include, from left to right: geotextile and steel wire mesh.

In a preferred embodiment of the present invention, the pore size of the steel mesh sheet is smaller than the particle size of the filtering stones 25.

In the preferred embodiment of the present invention, the end of the funnel 22 near the drain pipe 21 has a smaller diameter than the end near the wall back 2.

The construction process is briefly described as follows:

during construction, the wall body 1 is poured according to normal construction procedures, and the position and the number of the drainage structures 2 are controlled in the pouring process. Because flexible connection portion 23 flexible, when consequently being connected with drain pipe 21, with diversion funnel 22 inlet opening telescopic movement from top to bottom, make it with the template laminating parallel and level of wall back 12 one side, for preventing that the concrete that pours from getting into diversion funnel 22 tip, can adopt the plastic film to seal diversion funnel 22 tip temporarily.

And (3) after the pouring is finished and the strength of the wall body 1 reaches the form removal strength, removing the form and taking down the plastic film. Carry out filter stone 25 packing to diversion funnel 22, fix one deck wire net piece earlier at diversion funnel 22 inlet opening top during the packing, the anti geotechnological cloth of straining of fixed one deck again, the aperture ratio of wire net filters the particle diameter of stone 25 and is little, because diversion funnel 22 inlet opening and wall back of the body 12 parallel and level, consequently, the wire net piece and the anti geotechnological cloth of straining of diversion funnel 22 tip can be fixed on wall back of the body 12.

After the steel wire mesh at the end part and the anti-filtering geotextile are fixed, the whole drainage structure is implemented, and the back of the retaining wall is not stretched out, so that the subsequent backfill work behind the wall can be carried out.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.

Claims

1. A retaining wall drainage structure, comprising: wall body (1) and drainage structures (2), pre-buried in wall body (1) has a plurality of drainage structures (2), wall body (1) has wall (1) and wall back of the body (2), drainage structures (2) include: drain pipe (21) and diversion funnel (22), flexible connection is realized through flexonics portion (23) in drain pipe (21) and diversion funnel (22), wall body (1) is worn out in drain pipe (21), diversion funnel (22) terminal surface and wall back of the body (2) surface parallel and level.

2. The retaining wall drainage structure according to claim 1, wherein the flexible connecting portion (23) is a bent steel wire corrugated rubber pipe, and the flexible connecting portion (23) is in threaded connection with the drainage pipe (21) and the water funnel (22).

3. The retaining wall drainage structure according to claim 1, wherein the water-diversion funnel (22) is filled with filtering stones (25).

4. The retaining wall drainage structure according to claim 3, wherein the end of the diversion funnel (22) near the flexible connection part (23) is provided with a front-end reverse filtering structure (24).

5. The retaining wall drainage structure according to claim 4, characterized in that the end of the diversion funnel (22) near the wall back (2) is provided with a rear-end reverse filtering structure (26).

6. The retaining wall drainage structure according to claim 5, wherein the front end reverse filtering structure (24) and the rear end reverse filtering structure (26) comprise, in order from left to right: geotextile and steel wire mesh.

7. The retaining wall drainage structure according to claim 6, wherein the pore size of the steel wire mesh sheet is smaller than the particle size of the filtering stones (25).

8. The retaining wall drainage structure according to claim 7, wherein the end of the diversion funnel (22) near the drainage pipe (21) is smaller in diameter than the end near the back wall (2).