CN211596829U - Compound drainage system of railway barricade - Google Patents
Compound drainage system of railway barricade Download PDFInfo
- Publication number
- CN211596829U CN211596829U CN201922135545.4U CN201922135545U CN211596829U CN 211596829 U CN211596829 U CN 211596829U CN 201922135545 U CN201922135545 U CN 201922135545U CN 211596829 U CN211596829 U CN 211596829U
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- water collecting
- retaining wall
- wall
- composite
- pipe
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Abstract
The utility model relates to a railway retaining wall composite drainage system, a composite drainage structure is laid between a side slope and a retaining wall, a longitudinal water collecting pipe is arranged at the bottom between the side slope and the retaining wall along a wall foot, and the bottom of the composite drainage structure is coiled on the outer wall of the water collecting pipe; the water collecting pipes are connected with water drain pipes perpendicular to the water collecting pipes at intervals, and the water drain pipes are connected with water drain holes arranged on the retaining wall. The utility model discloses formed from the top down, from the forward drainage route behind, the moisture in the side slope soil body permeates downwards from the middle interbedded porous core material of compound drainage structure, converges into the collector pipe through the collector pipe wall, then gets into the outlet pipe through the tee bend, and the outlet through the barricade at last is positive to be discharged from the barricade, collects fast and gets rid of behind the wall soil body ponding.
Description
Technical Field
The utility model relates to a barricade drainage structures, concretely relates to compound drainage system of railway barricade.
Background
The drainage system is an important component of the retaining wall and is used for draining accumulated water in soil behind the wall so as to ensure the stability of the retaining wall. The water drainage of the back of the railway retaining wall generally adopts bagged sand and pebbles, and the bagged sand and pebbles have the following defects: 1, the drainage effect is difficult to ensure, the quality of sand-gravel and the volume of bagged sand-gravel determine the drainage effect, and the thickness uniformity of the bagged sand-gravel is difficult to ensure in construction, so that the discontinuity of drainage is caused; 2, the construction difficulty is high, the thickness of the bagged sand with pebbles is generally small, the self-stability is poor, the construction space is narrow, and the construction difficulty is very high; 3, the building stones source is restricted, and is not environmental protection, uneconomic, along with the degree of attention to environmental protection is higher and higher, the mountain exploitation quarrying and the river course quarrying are all controlled strictly, and the building stones source is restricted, and the price is higher and higher.
Disclosure of Invention
The utility model aims at providing a compound drainage system of railway barricade has solved among the prior art drainage system drainage effect and has been difficult to guarantee, and the construction degree of difficulty is big, and the building stones source is restricted, not environmental protection, uneconomic problem.
The utility model discloses the technical scheme who adopts does:
the utility model provides a compound drainage system of railway barricade which characterized in that:
laying a composite drainage structure between the side slope and the retaining wall, arranging a longitudinal water collecting pipe at the bottom between the side slope and the retaining wall along the wall foot, and wrapping the bottom of the composite drainage structure on the outer wall of the water collecting pipe;
the water collecting pipes are connected with water drain pipes perpendicular to the water collecting pipes at intervals, and the water drain pipes are connected with water drain holes arranged on the retaining wall.
The composite drainage structure is of a three-layer structure, the middle layer is a porous structure layer formed by continuous extrusion of high-molecular polymer filaments, and the side facing the slope soil body and the side facing the retaining wall are both inverted filter layers.
The water collecting pipe is a flexible permeable pipe, the bottom of the composite drainage structure is wrapped with the water collecting pipe and is tightly attached to the outer wall of the water collecting pipe, and the water collecting pipe receives drainage from the composite drainage structure through the pipe wall.
The water collecting pipes are longitudinally disconnected at intervals and are connected with the water drain pipe through a tee joint.
The drain pipe is a PVC drain pipe.
The water drainage holes arranged on the retaining wall are communicated from the back to the front of the wall and incline downwards from the back to the front.
The utility model has the advantages of it is following:
the utility model discloses set up the drainage route of system, can collect fast and get rid of behind the wall soil body ponding, the drainage is good, and the quality is controllable, and the construction is simple and convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the drainage structure of the present invention.
In the figure, 1-composite drainage structure, 2-water collecting pipe, 3-water drain pipe, 4-retaining wall, 5-drainage core material and 6-inverted filter layer.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The utility model relates to a compound drainage system of railway barricade lays compound drainage 1 between side slope and barricade 4, and bottom between side slope and the barricade 4 sets up fore-and-aft collector pipe 2 along the basement, and compound drainage 1 bottom is rolled up and is wrapped in 2 outer walls of collector pipe. The water collecting pipe 2 is connected with water drain pipes 3 perpendicular to the water collecting pipe at intervals, and the water drain pipes 3 are connected with water drain holes arranged on the retaining wall 4.
The composite drainage structure 1 is of a three-layer structure, the middle layer is a porous structure layer formed by continuous extrusion of high polymer filaments, the side facing a slope soil body and the side facing the retaining wall 4 are both inverted filter layers 6, and the inverted filter layers 6 can be made of geotextile materials. The water collecting pipe 2 is a soft permeable pipe, the bottom of the composite drainage structure 1 is wrapped with the water collecting pipe 2 and tightly attached to the outer wall of the water collecting pipe 2, and the water collecting pipe 2 receives drainage from the composite drainage structure 1 through the pipe wall. The water collecting pipes 2 are longitudinally disconnected at intervals and are connected with the water drain pipe 3 through a tee joint. The drain pipe 3 is a PVC drain pipe. The drain holes provided in the retaining wall 4 are through from the rear to the front of the wall and are inclined downward from the rear to the front.
The utility model discloses formed from the top down, from the forward drainage route behind, the moisture in the side slope soil body permeates downwards from compound drainage structure 1 intermediate layer's porous core, converges into water-collecting pipe 2 through 2 pipe walls of water-collecting pipe, then gets into outlet pipe 3 through the tee bend, and the outlet through barricade 4 at last is from barricade 4 positive discharge, collects fast and gets rid of behind the wall soil body ponding.
The content of the present invention is not limited to the examples, and any equivalent transformation adopted by the technical solution of the present invention is covered by the claims of the present invention by those skilled in the art through reading the present invention.
Claims (6)
1. The utility model provides a compound drainage system of railway barricade which characterized in that:
laying a composite drainage structure (1) between the side slope and the retaining wall (4), arranging a longitudinal water collecting pipe (2) at the bottom between the side slope and the retaining wall (4) along a wall foot, and winding the bottom of the composite drainage structure (1) on the outer wall of the water collecting pipe (2);
the water collecting pipe (2) is connected with drain pipes (3) which are vertical to the water collecting pipe at intervals, and the drain pipes (3) are connected into drain holes which are arranged on the retaining wall (4).
2. The composite retaining wall drainage system according to claim 1, wherein:
the composite drainage structure (1) is of a three-layer structure, the middle layer is a porous structure layer formed by continuous extrusion of high polymer filaments, and the side facing the slope soil body and the side facing the retaining wall (4) are both inverted filter layers (6).
3. The composite retaining wall drainage system according to claim 2, wherein:
the water collecting pipe (2) is a soft water permeable pipe, the water collecting pipe (2) is wrapped at the bottom of the composite drainage structure (1) and is tightly attached to the outer wall of the water collecting pipe (2), and the water collecting pipe (2) receives drainage from the composite drainage structure (1) through the pipe wall.
4. The composite retaining wall drainage system for railways according to claim 3, wherein:
the water collecting pipes (2) are longitudinally disconnected at intervals and are connected with the water drain pipe (3) through a tee joint.
5. The composite retaining wall drainage system for railways according to claim 4, wherein:
the drain pipe (3) is a PVC drain pipe.
6. The composite retaining wall drainage system for railways according to claim 5, wherein:
the water drainage holes arranged on the retaining wall (4) are communicated from the back to the front of the wall and incline downwards from the back to the front.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922135545.4U CN211596829U (en) | 2019-12-03 | 2019-12-03 | Compound drainage system of railway barricade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922135545.4U CN211596829U (en) | 2019-12-03 | 2019-12-03 | Compound drainage system of railway barricade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211596829U true CN211596829U (en) | 2020-09-29 |
Family
ID=72590334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922135545.4U Active CN211596829U (en) | 2019-12-03 | 2019-12-03 | Compound drainage system of railway barricade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211596829U (en) |
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2019
- 2019-12-03 CN CN201922135545.4U patent/CN211596829U/en active Active
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