CN117027020A - Collecting and draining system for solving side slope water inrush and construction method - Google Patents
Collecting and draining system for solving side slope water inrush and construction method Download PDFInfo
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- CN117027020A CN117027020A CN202311079402.0A CN202311079402A CN117027020A CN 117027020 A CN117027020 A CN 117027020A CN 202311079402 A CN202311079402 A CN 202311079402A CN 117027020 A CN117027020 A CN 117027020A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 205
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 239000002689 soil Substances 0.000 claims abstract description 14
- 230000002265 prevention Effects 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims abstract description 7
- 239000004575 stone Substances 0.000 claims description 26
- 239000011159 matrix material Substances 0.000 claims description 16
- 230000008595 infiltration Effects 0.000 claims description 8
- 238000001764 infiltration Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 239000004746 geotextile Substances 0.000 claims description 3
- 238000011084 recovery Methods 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 abstract description 5
- 241000196324 Embryophyta Species 0.000 description 8
- 239000011148 porous material Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/046—Open sewage channels
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
- Public Health (AREA)
- Hydrology & Water Resources (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Retaining Walls (AREA)
Abstract
The invention provides a water collecting and draining system for solving the problem of water gushing of a side slope and a construction method, wherein the water gushing prevention structure comprises a water collecting tank, the bottom surface of the water collecting tank is positioned above a dug collapse slope, a reverse filtering layer is arranged in the water collecting tank, the water collecting tank is provided with a water collecting port and a water collecting port, the water collecting port faces to the upstream of the water gushing side slope, a water guiding and draining pipe is connected to the water collecting port and corresponds to the reverse filtering layer, a filter screen is arranged on a water inlet of the water guiding and draining pipe, a water outlet of the water guiding and draining pipe extends to the bottom of the slope, and the water guiding and draining system further comprises a water seepage wall and a dregs layer, wherein the water seepage wall is arranged above the water collecting tank. The construction method comprises the steps of 1) digging out a collapse slope surface 2), arranging a water collecting tank 3), arranging a water seepage wall 4), paving a guide pipe 5), backfilling dregs 6), and arranging a greening layer. According to the invention, the water collecting pool, the water seepage wall and the guide and discharge pipes are arranged at the water inflow point to guide the water inflow of the side slope to the bottom of the slope, and the slag soil and vegetation are arranged, so that the side slope form is restored while the water is stabilized and the slope is fixed, and the invention has the characteristics of low cost, strong applicability, stable slope body, attractive slope shape and ecological high efficiency.
Description
Technical Field
The invention relates to the field of ground disaster treatment structures, in particular to a collecting and draining system for solving the problem of water gushing of a side slope and a construction method.
Background
The problem of water gushing that water-rich area engineering construction often can appear, slope catchment oozes along joint crack, has reduced the shear strength of ground body, and fine particle in the ground body is taken away from coarse particle's space by groundwater under the seepage flow effect simultaneously to form the seepage flow passageway that link up, the pore is enlarged, causes a large amount of water gushing of slope. In the low side slope treatment process, along with the increase of precipitation, water gushes can appear on the upper side slope, if the water gushes are not timely and effectively dredged and discharged, the loose rock-soil body side slope can collapse to form a flushing ditch, the restoration of the side slope is affected, how to discharge underground water gushes is influenced, and the stable side slope is the problem to be solved at present.
Disclosure of Invention
Aiming at the technical problems, the invention provides a collecting and draining system for solving the problem of water gushing of a side slope and a construction method, wherein a water collecting pool, a water seepage wall and a drainage pipe are arranged at a water gushing point to drain the water gushing of the side slope to the bottom of the side slope, dregs and vegetation are arranged, and the side slope is restored while the water is stabilized and the side slope is fixed.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a collection drainage system for solving side slope gushing water, includes the catchment pond, and its bottom surface is located on the slope that collapses of being excavated, is provided with the reverse filtering layer in the pond, and the catchment pond has water collecting port and catchment mouth, and the water collecting port is towards the upper reaches of gushing water side slope, and its size is greater than gushing water region, be connected with the drainage pipe on the catchment mouth, the water inlet and the reverse filtering layer of drainage pipe correspond, and are provided with the filter screen on the water inlet, the delivery port of drainage pipe extend to the slope bottom, still including set up in the infiltration wall of catchment pond top to and set up between infiltration wall and slope, between infiltration wall and the slope bottom and the dregs layer of infiltration wall top, dregs layer is located the drainage pipe top.
In some embodiments of the invention, the catchment tank comprises a base arranged on the excavated collapse slope and a V-shaped water retaining wall arranged on the base, wherein the base and the water retaining wall are made of concrete.
In some embodiments of the invention, the water permeable wall comprises a mesh body arranged on the water retaining wall, stones filled in the mesh body and gravels, wherein the gravels are positioned in gaps among the stones, so that the mesh body, the stones and the gravels form a whole structure.
In some embodiments of the invention, the size of the stone is larger than the size of the mesh in the mesh body and the size of the gravel is smaller than the size of the stone.
In some embodiments of the invention, the reverse filtration layer is comprised of sand, crushed stone, or pebbles of different sizes.
In some embodiments of the invention, the catchment tank and the guide and discharge pipes are arranged in a Y-shaped mode.
In some embodiments of the invention, a greening layer is disposed on the sediment layer.
In some embodiments of the invention, the greening layer includes a substrate layer overlying the slope and vegetation on the substrate layer.
In some embodiments of the invention, a drain is arranged at the slope bottom, and the water outlet of the drain pipe is communicated with the drain.
Another object of the invention is: a construction method of a water burst prevention structure adopts the water burst prevention structure, and comprises the following steps:
1) Digging out the subsidence slope
Determining a water-gushing collapse position on an original slope, and digging out the collapse position caused by water gushing and a slope surface with one area outside the position range;
2) Set up the catchment pond
Building a concrete foundation on the excavated subsided slope according to the areas of the water burst area and the subsided slope, building a concrete water retaining wall above the foundation to form a water collecting tank, and filling a reverse filtering layer above the foundation and in the water collecting tank
3) Set up the wall of seepage
Constructing a water seepage wall on the upper part of the water retaining wall, wherein the height of the water seepage wall is determined according to the distance between the water retaining wall and the slope surface, and covering slag soil with the thickness of not less than 5cm between the top of the water retaining wall and the slope surface is used as the reference;
4) Laying of guide tubes
A water collecting port of the water collecting tank is connected with a guide pipe, a water inlet of the guide pipe corresponds to the reverse filtering layer, geotextiles are covered on the water inlet of the guide pipe, the thickness of the guide pipe is determined according to the water inflow and the collapse length, the height of the water retaining wall is at least 10cm greater than the diameter of the guide pipe, and a water outlet of the guide pipe extends to the slope bottom;
5) Backfill of dregs
At the excavated collapse position, including between the seepage wall and the original slope and between the seepage wall and the slope bottom, respectively backfilling the slag soil layer to recover the slope of the slope;
6) Setting greening layer
Paving a matrix layer with the thickness of 2cm on the slope after recovery, doping seeds in the matrix layer, or planting vegetation on the matrix layer.
In some embodiments of the present invention, in step 4), the method further comprises providing a drainage ditch, wherein the drainage ditch is arranged at the bottom of the slope, and the water flowing into the drainage ditch at the water outlet end of the drainage pipe is ensured.
In some embodiments of the invention, the construction of the catchment pool in step 2) comprises constructing a concrete foundation on the excavated slope, constructing water retaining walls on the foundation, wherein the outer sides of the foundation are larger than the outer sides of the water retaining walls by 10cm respectively, the width of the water retaining walls is not smaller than 50cm, the height H is not smaller than 50cm, the length L is not smaller than 100cm, and the water catchment pool is filled with a blocking-preventing reverse filtering layer according to the water burst range.
In some embodiments of the present invention, in step 3), the construction of the water-permeable wall includes, a net body located on the water-retaining wall, the width of the net body being not less than 50cm, the height being determined according to the height of the water-retaining wall up to the slope of the design restoration slope, covering a sediment layer with a thickness of not less than 5cm between the top of the water-retaining wall and the slope, and further includes a stone filled in the net body, the stone size being larger than the gaps of the net body, and the stone gaps being filled with gravel.
Compared with the prior art, the invention has the advantages and positive effects that: by arranging the water collecting tank, the water gushing on the upstream of the collapse slope can be effectively collected at one position, and meanwhile, a large amount of fine broken stones can be intercepted by the reverse filtering layer; the drainage pipe can drain the collected water to the downstream of the slope bottom, so as to solve the drainage problem; when the surface water seepage quantity and the underground water inflow quantity are excessive, the traditional retaining wall is watertight and easily blocks the flow of surface pore water, so that the phenomenon of water accumulation is caused; after the dregs are backfilled on the two sides of the upstream and downstream of the water seepage wall, the pressure of the original side slope soil at the upper part can be effectively resisted, and the overall stability of the side slope is improved; the greening layer is covered on the slope backfilled with the dregs, and the growing plant roots can effectively increase the stability of the slope and prevent other geological disasters such as water loss and soil erosion.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a vertical cross-sectional structure of the present invention;
FIG. 2 is a schematic diagram of the structure of FIG. 1;
FIG. 3 is a top view of the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 1;
1. a water seepage wall; 11. gravel; 12. stone blocks; 13. a net body; 2. a water collection pool; 21. a water retaining wall; 22. a reverse filtration layer; 23. a base; 24. a water collecting port; 25. a water collecting port 3 and a drainage pipe; 4. a greening layer; 41. a substrate layer; 42. vegetation; 5. a dregs layer; 6. a drainage ditch; 7. original slope.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood that elements, structures, and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
Example 1
In the low side slope treatment process, along with the increase of the precipitation, water gushing can occur on the upper side slope, if the water gushing is not conducted and discharged in time, the loose rock-soil body side slope is caused to collapse, a gully is formed, the side slope restoration effect is affected, and the water gushing and collapsing of the side slope is solved by discharging underground water and stabilizing the side slope.
In order to solve the above problems, referring to fig. 1-4, a water collecting and draining system for solving the problem of water gushing of a side slope is provided, comprising:
the water collecting tank 2 comprises a base 23 arranged on the excavated collapse slope and a V-shaped water retaining wall 21 arranged on the base 23, wherein the base 23 and the water retaining wall 21 are made of concrete materials, a reverse filtering layer 22 is arranged in the tank, the water collecting tank 2 is provided with a water collecting port 24 and a water collecting port 25, the water collecting port 24 faces to the upstream of the water gushing slope, and the size of the water collecting port is larger than that of the water gushing area, so that water gushing from the original slope on the upstream of the excavated collapse slope can be collected conveniently;
in order to discharge collected water to the downstream of the slope bottom and solve the drainage problem, the water collecting port 25 is connected with a drainage pipe 3, the drainage pipe 3 corresponds to the reverse filtering layer 22, a filter screen is arranged on a water inlet of the drainage pipe 3, the filter screen is geotechnical cloth, a water outlet of the drainage pipe extends to the slope bottom, and a Y-shaped arrangement is formed between the water collecting tank 2 and the drainage pipe 3;
when the surface water seepage and the underground water inflow are excessive, the conventional retaining wall is easy to obstruct the flow of surface pore water due to the water impermeability, so that the water accumulation phenomenon is caused, therefore, the embodiment also comprises a water seepage wall 1 arranged above the water collecting tank 2, wherein the water seepage wall 1 comprises a net body 13, stone blocks 12 filled in the net body 13 and gravels 11, the size of the stone blocks 12 is larger than the size of the grids in the net body 13, the size of the gravels 11 is smaller than the size of the stone blocks 12, and the gravels 11 can be filled in gaps among the stone blocks 12, so that the net body 13, the stone blocks 12 and the gravels 11 form an integral structure;
the embodiment also comprises a muck layer 5 arranged between the water seepage wall 1 and the slope, between the water seepage wall 1 and the slope bottom and above the water seepage wall 1, wherein the muck layer 5 is positioned above the guide and discharge pipes 3.
Further, in order to realize overall aesthetic property, the greening layer 4 is arranged above the dregs layer 5, the greening layer 4 comprises a matrix layer 41 covered on a slope, the matrix layer 41 is plant soil, such as excellent grain soil, vegetation 42 is covered on the matrix layer 41, the vegetation 42 is composed of different plants, the growing plant roots can effectively increase the stability of the slope, and other geological disaster problems such as water and soil loss are prevented.
Furthermore, a drainage ditch 6 is arranged at the slope bottom, and the water outlet of the drainage pipe 3 is communicated with the drainage ditch 6 to drain the guided water into the drainage ditch 6.
Example 2
The invention further aims to provide a construction method of the water burst prevention structure, which adopts the water burst prevention structure and comprises the following steps:
1) Digging out the subsidence slope
Determining a water-gushing collapse position on an original side slope, and digging out the collapse position caused by water gushing and a slope surface with one time of area outside the position range of the collapse position, wherein the dug-out position is tidied and leveled;
2) Is provided with a water collecting tank 2
According to the water inflow range and the area of the subsidence slope, a concrete base 23 is built on the excavated slope, the height of the base 23 is 10cm, a water retaining wall 21 is built on the base 23, the outer side of the base 23 is larger than the outer side of the water retaining wall 21 by 10cm, namely W in fig. 2 is 10cm, the width of the water retaining wall 21 is not smaller than 50cm, the height H is not smaller than 50cm, the length L is not smaller than 100cm, the water collecting tank 2 is particularly determined according to the water inflow range, the anti-clogging reverse filtering layer 22 is filled in the water collecting tank 2, and the filling height of the reverse filtering layer 22 is flush with the height of the water retaining wall 21.
3) Set up the seepage wall 1
Constructing a water seepage wall 1 on the upper part of the water retaining wall, wherein the height of the water seepage wall is determined according to the distance between the water retaining wall 1 and the slope surface to be restored, and covering slag 5 with the thickness of not less than 5cm between the top of the water retaining wall 21 and the slope surface; the construction of the water seepage wall 1 comprises a net body 13 fixed on a water retaining wall 21, wherein the net body 13 adopts a gabion, the gabion is filled with large stones 12, the size of the stones 12 is larger than that of the gaps of the net body 13, and gravels 11 are put into the gabion to fill gaps among the large stones 12.
4) Laying of guide and discharge pipes 3
The water collecting port 25 of the water collecting pool 2 is connected with a guide pipe 3, the water inlet of the guide pipe 3 corresponds to the reverse filtering layer 22, geotextile is covered on the water inlet of the guide pipe 3, the thickness of the guide pipe 3 is determined according to the water inflow and the collapse length, the height of the water retaining wall 21 is at least 10cm larger than the diameter of the guide pipe 3, and the water outlet of the guide pipe 3 extends to the slope bottom;
5) Backfill dregs 5
The excavated collapse positions, including the space between the seepage wall 1 and the original slope 7, the space between the seepage wall 1 and the drainage ditch 6 and the space on the seepage wall 1, are respectively filled with the slag soil layer 5, so as to recover the slope design gradient;
6) Setting greening layer 4
After the slope is restored, a matrix layer 41 with the thickness of 2cm is paved, the matrix layer 41 is plant soil, such as excellent grain soil, vegetation 42 is covered on the matrix layer 41, the vegetation 42 consists of different plants, and the vegetation 42 can be plants grown by doping seeds in the matrix layer 41 or plants on the matrix layer 41.
In this embodiment, in step 4), the method further includes providing a drainage ditch 6, where the drainage ditch 6 is opened at the bottom of the slope, so as to ensure that the water at the water outlet end of the drainage pipe 3 flows into the drainage ditch 6.
The foregoing is merely illustrative embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present invention, and the invention should be covered. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A collect row system for solving side slope gushing water, its characterized in that: including the catchment pond, its bottom surface is located on the slope that collapses that is excavated, is provided with the back filtering layer in the pond, and the catchment pond has water collecting port and catchment mouth, and the water collecting port is towards the upper reaches of gushing water side slope, and its size is greater than gushing water region, be connected with the guide calandria on the catchment mouth, the water inlet and the back filtering layer of guide calandria correspond, and are provided with the filter screen on the water inlet, the delivery port of guide calandria extends to the slope bottom, still including set up in the infiltration wall of catchment pond top to and set up in between infiltration wall and the slope bottom and the dregs layer of infiltration wall top, dregs layer is located the guide calandria top.
2. The water collecting and draining system for solving the problem of water gushing on a side slope according to claim 1, wherein: the water collecting tank comprises a base arranged on the excavated collapse slope surface and a V-shaped water retaining wall arranged on the base, wherein the base and the water retaining wall are made of concrete.
3. A water collecting and draining system for solving the problem of side slope water gushing according to claim 2, wherein: the seepage wall comprises a net body arranged on the water retaining wall, stone blocks filled in the net body and gravels, wherein the gravels are positioned in gaps among the stone blocks, so that the net body, the stone blocks and the gravels form an integral structure.
4. The water collecting and draining system for solving the problem of water gushing on a side slope according to claim 1, wherein: the reverse filtering layer is composed of sand, broken stone or pebble with different sizes.
5. The water collecting and draining system for solving the problem of water gushing on a side slope according to claim 1, wherein: and greening layers are arranged on the slope and the dregs layers.
6. The water collecting and draining system for solving the problem of water gushing on a side slope according to claim 5, wherein: the greening layer comprises a matrix layer covered on the slope surface and vegetation on the matrix layer.
7. A construction method of a water burst prevention structure, adopting the water burst prevention structure as claimed in any one of claims 1 to 6, characterized in that: the method comprises the following steps:
1) Digging out the subsidence slope
Determining a water-gushing collapse position on an original slope, and digging out the collapse position caused by water gushing and a slope surface with one area outside the position range of the collapse position;
2) Set up the catchment pond
Building a concrete base on the excavated subsided slope according to the areas of the water burst area and the subsided slope, building a concrete water retaining wall above the base by 10cm, forming a water collecting tank, and filling a reverse filtering layer above the base and in the tank of the water collecting tank;
3) Set up the wall of seepage
Constructing a water seepage wall on the upper part of the water retaining wall, wherein the height of the water seepage wall is determined according to the distance between the water retaining wall and the slope surface, and covering slag soil with the thickness of not less than 5cm between the top of the water retaining wall and the slope surface is used as the reference;
4) Laying of guide tubes
A water collecting port of the water collecting tank is connected with a guide pipe, a water inlet of the guide pipe corresponds to the reverse filtering layer, geotextiles are covered on the water inlet of the guide pipe, the thickness of the guide pipe is determined according to the water inflow and the collapse length, the height of the water retaining wall is at least 10cm greater than the diameter of the guide pipe, and a water outlet of the guide pipe extends to the slope bottom;
5) Backfill of dregs
At the excavated collapse position, including between the seepage wall and the original slope and between the seepage wall and the slope bottom, respectively backfilling the slag soil layer to recover the slope of the slope;
6) Setting greening layer
Paving a matrix layer with the thickness of 2cm on the slope after recovery, doping seeds in the matrix layer, or planting vegetation on the matrix layer.
8. The construction method of the water burst preventing structure according to claim 7, wherein: in step 4), the device further comprises a drainage ditch which is arranged at the bottom of the slope and used for ensuring the water at the water outlet end of the drainage pipe to flow into the drainage ditch.
9. The construction method of the water burst preventing structure according to claim 7, wherein: in the step 2), the outer side of the base is larger than the outer side of the water retaining wall by 10cm, the width of the water retaining wall is not smaller than 50cm, the height is not smaller than 50cm, and the length is not smaller than 100cm.
10. The construction method of the water burst preventing structure according to claim 7, wherein: setting up the infiltration wall in step 3) includes, sets up the dictyosome that is located the manger plate wall, and the width of dictyosome is not less than 50cm, and the distance between the slope behind the slope was restoreed to the high according to the wall top that keeps off water and its top of the dictyosome height, and with covering between wall top and the slope and being not less than 5cm thick dregs, the stone is filled to the interior stone, fills up the gravel in the stone gap.
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CN202311079402.0A CN117027020A (en) | 2023-08-25 | 2023-08-25 | Collecting and draining system for solving side slope water inrush and construction method |
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CN202311079402.0A CN117027020A (en) | 2023-08-25 | 2023-08-25 | Collecting and draining system for solving side slope water inrush and construction method |
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