CN215105484U - Hydraulic engineering retaining wall drainage structures - Google Patents
Hydraulic engineering retaining wall drainage structures Download PDFInfo
- Publication number
- CN215105484U CN215105484U CN202120681458.3U CN202120681458U CN215105484U CN 215105484 U CN215105484 U CN 215105484U CN 202120681458 U CN202120681458 U CN 202120681458U CN 215105484 U CN215105484 U CN 215105484U
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- Prior art keywords
- water
- drainage
- wall body
- layer
- retaining wall
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 100
- 239000004567 concrete Substances 0.000 claims abstract description 21
- 238000001914 filtration Methods 0.000 claims description 24
- 239000000945 filler Substances 0.000 claims description 18
- 239000004746 geotextile Substances 0.000 claims description 17
- 239000004927 clay Substances 0.000 claims description 10
- 239000011380 pervious concrete Substances 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012466 permeate Substances 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 230000035699 permeability Effects 0.000 abstract description 5
- 239000004744 fabric Substances 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 description 6
- 239000002689 soil Substances 0.000 description 6
- 239000011083 cement mortar Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
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- Retaining Walls (AREA)
Abstract
The utility model discloses a hydraulic engineering retaining wall drainage structures, which comprises a wall body, the wall body right side is provided with the inverted filter, the inverted filter right side is provided with the water permeability and packs, the water permeability packs the right side and is provided with the drainage layer, inverted filter, water permeability pack and drainage layer upper surface parallel and level and are provided with first geotechnological cloth, first geotechnological cloth upper surface is provided with the concrete that permeates water, water permeability packs the bottom and shortes in the bottom of inverted filter and drainage layer, the utility model discloses an improve, perfect retaining wall special drainage structures and played positive drainage effect to ensure the security and the durability of retaining wall, and then practiced thrift the engineering construction cost.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field specifically is a hydraulic engineering retaining wall drainage structures.
Background
In the prior art, the retaining wall has a great variety such as anchoring type retaining wall, gravity type retaining wall, thin wall formula barricade, reinforced earth retaining wall, and its effect main function is fender soil, and the effect of supporting is the stability of guaranteeing the structure system, and it still has certain drainage, waterproof effect, is convenient for effectively be under construction, if the barricade is enough strong, can satisfy the stable requirement of excavation construction, convenient, economical and practical rapidly.
At present, the outlet that current retaining wall body set up distributes in disorder, the underground spring that a part oozed can only be discharged, remaining underground spring can continue the diffusion infiltration, thereby can have strong corrosivity to concrete structure, the infiltration begins to corrode the cement mortar in the block stone mortar joint when staring at the back of the body to the block stone retaining wall, lead to cement mortar to be the loose form in the short time, seriously influence cement mortar bond strength and the wholeness of block stone retaining wall, and rivers in the soil layer can not be discharged rapidly, thereby form hydrostatic pressure, thereby increased the horizontal pressure to the retaining wall, influence the durability of retaining wall.
Disclosure of Invention
An object of the utility model is to provide a hydraulic engineering retaining wall drainage structures to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a drainage structure of a retaining wall of hydraulic engineering comprises a wall body, wherein a reverse filter layer is arranged on the right side of the wall body, a water permeable filler is arranged on the right side of the reverse filter layer, a water filtering layer is arranged on the right side of the water permeable filler, the upper surfaces of the reverse filter layer, the water permeable filler and the water filtering layer are flush and provided with a first geotextile, the upper surface of the first geotextile is provided with permeable concrete, the bottom of the water permeable filler is shorter than the bottoms of the reverse filter layer and the water filtering layer, an impermeable layer is arranged at the bottom of the water permeable filler, the bottom of the impermeable layer is flush with the bottoms of the reverse filter layer and the water filtering layer, the bottom of the wall body and the bottom of the water filtering layer are provided with waterproof concrete, a water collecting tank is arranged at the top end of the waterproof concrete below the impermeable layer, second geotextile is arranged at the bottoms of the reverse filter layer, the impermeable layer and the water filtering layer, drainage ditches are distributed side by side at equal intervals are arranged at the top end of the wall body, just the surface of wall body is provided with the sluicing groove that is linked together with the escape canal, the left side department that the bottom of wall body is located waterproof concrete is provided with the open drain ditch, from the top down has set gradually the rammer of multiunit equidistant distribution in the water permeability packs and has filled the clay, just be provided with the blind ditch that catchments in the rammer fills the clay, the blind ditch that catchments extends to the wall body outside through a plurality of equidistant distribution's drain pipe, the junction of the wall body back and inverted filter layer is located the top department of every rammer filled the clay and all is provided with the drain pipe, just the drain pipe extends to the wall body outside, be linked together through drain pipe and open drain ditch in the catch basin.
As a further aspect of the present invention: the inverted filter, the impermeable layer, the water filtering layer and the water collecting blind ditch are filled with sand gravel, accumulated water flows favorably, and silt cannot flow, so that accumulated water is favorably discharged, and the pressure of the accumulated water on a wall body is reduced.
As a further aspect of the present invention: the concrete upper surface that permeates water inclines to set up, just the lowest of the concrete upper surface that permeates water and the upper surface parallel and level of wall body set up through the concrete upper surface that permeates water slope, are favorable to permeating water the quick drainage of ponding of concrete upper surface.
As a further aspect of the present invention: escape canal bottom inner wall sets up for inclining to drainage groove one side, just the bottom and the open drain of drainage groove of escape canal are linked together, set up through escape canal bottom inner wall slope, are favorable to the ponding in the escape canal to flow to the drainage groove discharge fast.
As a further aspect of the present invention: be provided with a plurality of through-holes that distribute with the drain pipe one-to-one in the wall body, just the through-hole slope sets up, through the setting of through-hole, is convenient for install the drain pipe to be convenient for discharge fast to the ponding at the wall body back, avoid wall body back ponding too much and to the wall body pressure, influence the life of wall body.
As a further aspect of the present invention: the water inlet department of drain pipe is provided with the filter screen, just the outer wall parcel of drain pipe has the rubber and plastic heat preservation, sets up the filter screen through the water inlet department at the drain pipe, is convenient for filter the grit, prevents that the phenomenon of drain pipe jam from taking place to under the effect of rubber and plastic heat preservation, can prevent effectively that the phenomenon of drain pipe frost crack from taking place.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has the advantages that the special drainage structure of the retaining wall is improved and perfected to play an active drainage role, thereby ensuring the safety and durability of the retaining wall, and further saving the engineering construction cost, when in use, the rainwater on the surface of the pervious concrete and the wall body firstly flows into the drainage groove through the drainage ditch and is drained into the drainage open ditch through the drainage groove, part of the rainwater in the pervious concrete can seep through the first geotextile, meanwhile, more spring water seepage points exist in the soil layer, part of the rainwater seeping through the first geotextile and part of the water seeping through the spring water seepage points can be drained through the drainage pipe on one side of the reverse filter layer, the other part can enter the water collection blind ditch and is drained through the drainage pipe in the water collection blind ditch, in addition, the water flow which is not drained through the drainage pipe and the water collection blind ditch can flow into the water collection trough through the second geotextile and is drained into the drainage open ditch in the water collection trough, the water collecting blind ditches and the water draining pipes are distributed up and down, so that water flow in the soil layer can be drained quickly, and the pressure of the water flow on the wall body is reduced greatly.
Drawings
Fig. 1 is a schematic structural view of a drainage structure of a retaining wall in a hydraulic engineering.
Fig. 2 is a schematic structural diagram of a wall body in a drainage structure of a retaining wall in a hydraulic engineering.
Fig. 3 is a schematic structural view of a drainage pipe in a drainage structure of a retaining wall in a hydraulic engineering.
In the figure: 1. a wall body; 2. pervious concrete; 3. a first geotextile; 4. a reverse filtering layer; 5. a water-permeable filler; 6. tamping clay; 7. a blind ditch for water collection; 8. an impermeable layer; 9. a second geotextile; 10. a water collection tank; 11. a drain pipe; 14. draining the open ditch; 15. waterproof concrete; 16. filtering a water layer; 17. a drainage ditch; 18. a water drainage tank; 19. a through hole; 20. and (5) filtering by using a filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, a drainage structure for retaining walls of hydraulic engineering comprises a wall body 1, wherein an inverted filter layer 4 is disposed on the right side of the wall body 1, a permeable filler 5 is disposed on the right side of the inverted filter layer 4, a water filtering layer 16 is disposed on the right side of the permeable filler 5, the upper surfaces of the inverted filter layer 4, the permeable filler 5 and the water filtering layer 16 are flush and are provided with a first geotextile 3, the upper surface of the first geotextile 3 is provided with a permeable concrete 2, the bottom of the permeable filler 5 is shorter than the bottoms of the inverted filter layer 4 and the water filtering layer 16, the bottom of the permeable filler 5 is provided with an impermeable layer 8, the bottom of the impermeable layer 8 is flush with the bottoms of the inverted filter layer 4 and the water filtering layer 16, the bottom of the wall body 1 and the bottom of the water filtering layer 16 are provided with a waterproof concrete 15, a water collecting tank 10 is disposed at the top end of the impermeable layer 8, and the bottom of the inverted filter layer 4, the impermeable layer 8 and the water filtering layer 16 is provided with a second geotextile 9, the top end of the wall body 1 is provided with drainage ditches 17 which are distributed side by side at equal intervals, and the surface of the wall body 1 is provided with a drainage groove 18 communicated with a drainage ditch 17, the bottom of the wall body 1 at the left side of the waterproof concrete 15 is provided with a drainage open ditch 14, a plurality of groups of rammed clay 6 distributed at equal intervals are sequentially arranged in the water permeable filler 5 from top to bottom, and a water collecting blind ditch 7 is arranged in the rammed and filled clay 6, the water collecting blind ditch 7 extends to the outer side of the wall body 1 through a plurality of water discharging pipes 11 which are distributed at equal intervals, the joint of the back surface of the wall body 1 and the inverted filter layer 4 is provided with a drain pipe 11 above each tamped clay 6, and the drain pipe 11 extends to the outer side of the wall body 1, and the inside of the water collecting tank 10 is communicated with the open drain ditch 14 through the drain pipe 11.
And sand gravel is filled in the inverted filter layer 4, the impermeable layer 8, the water filtering layer 16 and the water collecting blind ditch 7.
Through filling sand gravel in inverted filter 4, barrier 8, drainage layer 16 and catchment french drain 7, be favorable to the flow of ponding, silt then can not flow to be favorable to the discharge of ponding, reduce the pressure that ponding caused wall body 1.
The upper surface of the pervious concrete 2 is obliquely arranged, and the lowest part of the upper surface of the pervious concrete 2 is flush with the upper surface of the wall body 1.
Through the slope setting of 2 upper surfaces of concrete that permeate water, be favorable to the ponding of 2 upper surfaces of concrete that permeate water to excrete fast.
The inner wall of the bottom of the drainage ditch 17 is inclined towards one side of the drainage groove 18, and the bottom of the drainage groove 18 is communicated with the open drainage ditch 14.
Through the slope setting of the bottom inner wall in escape canal 17, be favorable to the ponding in the escape canal 17 to flow into drainage groove 18 fast and discharge.
A plurality of through holes 19 which are distributed in one-to-one correspondence with the drain pipes 11 are formed in the wall body 1, and the through holes 19 are obliquely arranged.
Through the setting of through-hole 19, be convenient for install drain pipe 11 to be convenient for discharge fast to the ponding at the wall body 1 back, avoid 1 back ponding of wall body too much and to the wall body 1 production pressure, influence the life of wall body 1.
The water inlet of the drain pipe 11 is provided with a filter screen 20, and the outer wall of the drain pipe 11 is wrapped with a rubber plastic heat-insulating layer.
Through setting up filter screen 20 in drain pipe 11's water inlet department, be convenient for filter the grit, prevent that the phenomenon of drain pipe 11 jam from taking place to under the effect of rubber and plastic heat preservation, can effectively prevent that the phenomenon of drain pipe 11 frost crack from taking place.
The utility model discloses a theory of operation is:
when the rainwater collecting blind ditch is used, rainwater on the surfaces of the pervious concrete 2 and the wall body 1 firstly flows into the drainage groove 18 through the drainage ditch 17 and is drained into the drainage open ditch 14 through the drainage groove 18, part of the rainwater in the pervious concrete 2 can seep down through the first geotextile 3, meanwhile, more spring water seepage points exist in the soil layer, part of the rainwater seeping out through the first geotextile 3 and spring water seepage points can be drained through the drainage pipe 11 on one side of the reverse filter layer 4, the other part of the rainwater can enter the water collecting blind ditch 7 and is drained through the drainage pipe 11 in the water collecting blind ditch 7, in addition, the water which is not drained through the drainage pipe 11 and the water collecting blind ditch 7 can flow into the water collecting tank 10 through the second geotextile 9 and is drained into the drainage open ditch 14 through the drainage pipe 11 in the water collecting tank 10, and as a plurality of groups of water collecting blind ditches 7 and drainage pipes 11 which are distributed up and down are arranged, the rainwater in the soil layer can be drained quickly, thereby greatly reducing the pressure of water flow on the wall body 1, ensuring the safety and the durability of the retaining wall and greatly saving the engineering construction cost.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A water conservancy project retaining wall drainage structure comprises a wall body (1) and is characterized in that a reverse filter layer (4) is arranged on the right side of the wall body (1), a water permeable filler (5) is arranged on the right side of the reverse filter layer (4), a water filtering layer (16) is arranged on the right side of the water permeable filler (5), the upper surfaces of the reverse filter layer (4), the water permeable filler (5) and the water filtering layer (16) are flush and are provided with a first geotextile (3), the upper surface of the first geotextile (3) is provided with permeable concrete (2), the bottom of the water permeable filler (5) is shorter than the bottoms of the reverse filter layer (4) and the water filtering layer (16), an impermeable layer (8) is arranged at the bottom of the water permeable filler (5), the bottom of the impermeable layer (8) is flush with the bottoms of the reverse filter layer (4) and the water filtering layer (16), and waterproof concrete (15) is arranged at the bottom of the wall body (1) and the bottom of the water filtering layer (16), the water collecting channel is characterized in that a water collecting tank (10) is arranged at the position, below the impermeable layer (8), of the top end of the waterproof concrete (15), a second geotextile (9) is arranged at the bottoms of the inverted filter layer (4), the impermeable layer (8) and the water filtering layer (16), drainage channels (17) which are distributed side by side at equal intervals are arranged at the top end of the wall body (1), drainage grooves (18) communicated with the drainage channels (17) are arranged on the surface of the wall body (1), drainage open ditches (14) are arranged at the position, on the left side of the waterproof concrete (15), of the bottom of the wall body (1), a plurality of groups of rammed clay (6) which are distributed at equal intervals are sequentially arranged in the water permeable filler (5) from top to bottom, a water collecting blind ditch (7) is arranged in the rammed clay (6), and the water collecting blind ditch (7) extends to the outer side of the wall body (1) through a plurality of drainage pipes (11) which are distributed at equal intervals, the connecting part of the back surface of the wall body (1) and the inverted filter layer (4) is positioned above each rammed clay (6) and is provided with a drain pipe (11), the drain pipe (11) extends to the outer side of the wall body (1), and the water collecting tank (10) is communicated with the open drainage ditch (14) through the drain pipe (11).
2. A water conservancy project retaining wall drainage structure according to claim 1, characterized in that the inverted filter (4), the impervious layer (8), the water filtering layer (16) and the water collecting blind ditch (7) are filled with sand gravel.
3. A water conservancy retaining wall drainage structure according to claim 1, characterized in that the upper surface of the pervious concrete (2) is inclined, and the lowest part of the upper surface of the pervious concrete (2) is flush with the upper surface of the wall body (1).
4. A drainage structure of a retaining wall for water conservancy project according to claim 1, characterized in that the inner wall of the bottom of the drainage ditch (17) is inclined toward the side of the drainage groove (18), and the bottom of the drainage groove (18) is communicated with the open drainage ditch (14).
5. A water conservancy retaining wall drainage structure according to claim 1, characterized in that a plurality of through holes (19) are arranged in the wall body (1) and distributed in one-to-one correspondence with the drain pipes (11), and the through holes (19) are arranged obliquely.
6. The retaining wall drainage structure of the water conservancy project according to claim 1, characterized in that a filter screen (20) is arranged at the water inlet of the drain pipe (11), and the outer wall of the drain pipe (11) is wrapped with a rubber-plastic heat-insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120681458.3U CN215105484U (en) | 2021-04-02 | 2021-04-02 | Hydraulic engineering retaining wall drainage structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120681458.3U CN215105484U (en) | 2021-04-02 | 2021-04-02 | Hydraulic engineering retaining wall drainage structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215105484U true CN215105484U (en) | 2021-12-10 |
Family
ID=79346996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120681458.3U Expired - Fee Related CN215105484U (en) | 2021-04-02 | 2021-04-02 | Hydraulic engineering retaining wall drainage structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215105484U (en) |
-
2021
- 2021-04-02 CN CN202120681458.3U patent/CN215105484U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |