CN111608194A - Foundation pit drainage system - Google Patents
Foundation pit drainage system Download PDFInfo
- Publication number
- CN111608194A CN111608194A CN202010633023.1A CN202010633023A CN111608194A CN 111608194 A CN111608194 A CN 111608194A CN 202010633023 A CN202010633023 A CN 202010633023A CN 111608194 A CN111608194 A CN 111608194A
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- China
- Prior art keywords
- foundation pit
- drainage
- side wall
- water
- water collecting
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/20—Restraining of underground water by damming or interrupting the passage of underground water by displacing the water, e.g. by compressed air
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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
- E02D17/02—Foundation pits
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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
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a foundation pit drainage system, which belongs to the technical field of drainage in building construction and comprises the following components: a drainage unit on the side wall of the foundation pit and a drainage unit at the bottom of the foundation pit; the foundation pit side wall drainage unit comprises a vertical support guard plate arranged on the side wall of the foundation pit, and the vertical support guard plate is provided with a plurality of water outlet holes for draining water in soil on the side wall of the foundation pit to the bottom of the foundation pit; the drainage unit at the bottom of the foundation pit comprises a water collecting ditch arranged corresponding to the vertical supporting and protecting plate, the water collecting ditch is arranged at the bottom of the foundation pit, and the height of the top of the water collecting ditch is lower than the bottom of the foundation pit; and the two ends of the water collecting ditch are provided with drain pipes, one end of each drain pipe is communicated with the water collecting ditch, and the other end of each drain pipe is arranged at the upper end of the side wall of the foundation pit and is connected with a water pump for discharging water of the water collecting ditch. The invention provides a foundation pit drainage system, which combines a foundation pit supporting structure with drainage, has simple structure, convenient construction and low construction cost, and simultaneously avoids soil particles from entering the drainage system because the system is provided with a filter screen, thereby improving the efficiency of the foundation pit drainage system.
Description
Technical Field
The invention belongs to the technical field of drainage in building construction, and particularly relates to a foundation pit drainage system.
Background
The foundation pit is a soil pit excavated at the design position of the foundation according to the bottom elevation of the foundation pit and the plane size of the foundation. After the excavation of the common foundation pit is finished, the foundation pit needs to be well waterproof, otherwise, the foundation pit can be subjected to water seepage, and the normal use of equipment in the foundation pit is influenced.
In prior art, foundation ditch drainage system and supporting construction all exist independently, and need be under construction alone, seriously influence the normal use of foundation ditch and the construction progress, and construction cost is higher, influences going on in order of normal production activity, and simultaneously, drainage system is blockked up by foundation ditch soil granule easily, needs the workman to regularly clear up.
Therefore, a foundation pit drainage system which can combine the foundation pit support with drainage and has the advantages of simple structure, convenience in construction and low cost is urgently needed.
Disclosure of Invention
The invention aims to provide a foundation pit drainage system which can combine foundation pit support and drainage and has simple structure, convenient construction and low cost, and adopts the following technical scheme:
a foundation pit drainage system comprising: a drainage unit on the side wall of the foundation pit and a drainage unit at the bottom of the foundation pit;
the foundation pit side wall drainage unit comprises a vertical support guard plate arranged on the side wall of the foundation pit, and the vertical support guard plate is provided with a plurality of water outlet holes for draining water in soil on the side wall of the foundation pit to the bottom of the foundation pit;
the drainage unit at the bottom of the foundation pit comprises a water collecting ditch arranged corresponding to the vertical supporting and protecting plate, the water collecting ditch is arranged at the bottom of the foundation pit, and the height of the top of the water collecting ditch is lower than the bottom of the foundation pit; and the two ends of the water collecting channel are provided with drain pipes, one end of each drain pipe is communicated with the water collecting channel, and the other end of each drain pipe is arranged at the upper end of the side wall of the foundation pit and is connected with a water pump for discharging water of the water collecting channel to the outside of the foundation pit.
Furthermore, a horizontal supporting plate is arranged on the top of the vertical supporting plate far away from the center side of the foundation pit, and reinforcing piles are arranged on the bottom end face of the vertical supporting plate and the bottom end face of the horizontal supporting plate and used for reinforcing a supporting structure.
Furthermore, the vertical supporting plate is provided with an anchor rod, and the anchor rod is inserted into soil on the side wall of the foundation pit and used for reinforcing the connection between the vertical supporting plate and the side wall of the foundation pit.
Furthermore, the outlet hole is tightly attached to the inner wall side of the foundation pit, a first filter screen is arranged, and the aperture of a mesh of the first filter screen is smaller than the diameter of soil particles of the foundation pit.
Further, the catch basin top is provided with the second filter screen for prevent that earth from falling into the catch basin.
Furthermore, the drain pipe with the catch basin intercommunication end is provided with the third filter screen, is used for preventing the catch basin earth inhales to in the water pump.
And further, two adjacent drain pipes are combined to one position above the side wall of the foundation pit through a tee pipe and connected to the water pump.
Furthermore, a valve is arranged on the part of the drain pipe above the side wall of the foundation pit and used for controlling the on-off of the drain pipe.
Has the advantages that:
the invention provides a foundation pit drainage system, which combines a foundation pit supporting structure with drainage, and has the advantages of simple structure, convenient construction and low construction cost.
Drawings
FIG. 1 is a schematic structural view of a foundation pit drainage system
FIG. 2 is a schematic view of the back structure of the sidewall of the foundation pit
FIG. 3 is a partial structure view of a drain pipe
FIG. 4 is a schematic structural view of water outlet holes in the vertical supporting and protecting plate
Wherein, 1, a foundation pit; 2. a vertical supporting and protecting plate; 3. a horizontal supporting guard plate; 4. a first filter screen; 5. a second filter screen; 6. a water collecting ditch; 7. a drain pipe; 8. a water pump; 9. a valve; 10. a water outlet hole; 11. an anchor rod; 12. reinforcing piles; 13. and a third filter screen.
Detailed Description
Example 1
A foundation pit drainage system comprising: a drainage unit on the side wall of the foundation pit and a drainage unit at the bottom of the foundation pit;
the foundation pit side wall drainage unit comprises a vertical support and protection plate 2 arranged on the side wall of the foundation pit, and the vertical support and protection plate 2 is provided with a plurality of water outlet holes for draining water in soil on the side wall of the foundation pit to the bottom of the foundation pit 1;
the drainage unit at the bottom of the foundation pit comprises a water collecting ditch 6 arranged corresponding to the vertical supporting and protecting plate 2, the water collecting ditch 6 is arranged at the bottom of the foundation pit 1, and the height of the top of the water collecting ditch 6 is lower than the bottom of the foundation pit 1; and the two ends of the water collecting channel 6 are provided with drain pipes 7, one end of each drain pipe 7 is communicated with the water collecting channel 6, and the other end of each drain pipe 7 is arranged at the upper end of the side wall of the foundation pit and is connected with a water pump 8 for discharging water of the water collecting channel 6 out of the foundation pit 1.
In this embodiment, the top of the vertical supporting plate 2, which is far away from the center of the foundation pit 1, is provided with the horizontal supporting plate 3, and the bottom end surface of the vertical supporting plate 2 and the bottom end surface of the horizontal supporting plate 3 are both provided with the reinforcing piles 12 for reinforcing the supporting structure.
The vertical supporting and protecting plate 2 is further provided with an anchor rod 11, and the anchor rod 11 is inserted into soil on the side wall of the foundation pit and used for strengthening connection between the vertical supporting and protecting plate 2 and the side wall of the foundation pit.
The water outlet 10 is tightly attached to the inner wall side of the foundation pit 1 and is provided with a first filter screen 4, and the aperture of the meshes of the first filter screen 4 is smaller than the diameter of soil particles of the foundation pit 1.
The top end of the water collecting ditch 6 is provided with a second filter screen 5 for preventing soil from falling into the water collecting ditch 6.
The end of the drain pipe 7 communicated with the water collecting channel 6 is provided with a third filter screen 13 for preventing soil in the water collecting channel 6 from being sucked into the water pump 8.
In this embodiment, two adjacent drain pipes 7 are merged to one position above the side pit wall of the foundation pit through a tee pipe and connected to a water pump 8.
Wherein, the part of the drain pipe 7 positioned above the side wall of the foundation pit is provided with a valve 9 for controlling the on-off of the drain pipe 7.
In this embodiment, water in the soil on the sidewall of the foundation pit can flow out of the water collecting trench 6 through the water outlet 10, and water at the bottom of the foundation pit 1 can also flow into the water collecting trench 6, so that the water in the water collecting trench 6 is discharged by turning on the water pump 8.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (8)
1. A foundation pit drainage system, comprising: a drainage unit on the side wall of the foundation pit and a drainage unit at the bottom of the foundation pit;
the foundation pit side wall drainage unit comprises a vertical supporting and protecting plate (2) arranged on the side wall of the foundation pit, wherein the vertical supporting and protecting plate (2) is provided with a plurality of water outlet holes and is used for draining water in soil on the side wall of the foundation pit to the bottom of the foundation pit (1);
the foundation pit bottom drainage unit comprises a water collecting ditch (6) arranged corresponding to the vertical supporting and protecting plate (2), the water collecting ditch (6) is arranged at the bottom of the foundation pit (1), and the height of the top of the water collecting ditch (6) is lower than the bottom of the foundation pit (1); the drainage pipe (7) is arranged at two ends of the water collecting ditch (6), one end of the drainage pipe (7) is communicated with the water collecting ditch (6), and the other end of the drainage pipe is arranged at the upper end of the side wall of the foundation pit and is connected with a water pump (8) and used for discharging water of the water collecting ditch (6) to the outside of the foundation pit (1).
2. The foundation pit drainage system according to claim 1, characterized in that a horizontal support plate (3) is arranged on the top of the vertical support plate (2) far away from the center of the foundation pit (1), and reinforcing piles (12) are arranged on the bottom end face of the vertical support plate (2) and the bottom end face of the horizontal support plate (3) for reinforcing a supporting structure.
3. The foundation pit drainage system according to claim 2, characterized in that the vertical support and protection plate (2) is provided with an anchor rod (11), and the anchor rod (11) is inserted into the soil of the side wall of the foundation pit and used for reinforcing the connection between the vertical support and protection plate (2) and the side wall of the foundation pit.
4. The foundation pit drainage system according to claim 1, characterized in that the water outlet (10) is provided with a first filter (4) closely attached to the inner wall side of the foundation pit (1), and the mesh aperture of the first filter (4) is smaller than the soil particle diameter of the foundation pit (1).
5. A foundation pit drainage system according to claim 4, characterized in that the top end of the water collection ditch (6) is provided with a second filter screen (5) for preventing soil from falling into the water collection ditch (6).
6. A foundation pit drainage system according to claim 5, characterized in that the end of the drain pipe (7) in communication with the water collection ditch (6) is provided with a third filter screen (13) for preventing soil of the water collection ditch (6) from being sucked into the water pump (8).
7. Foundation pit drainage system according to claim 1, characterized in that two adjacent drainage pipes (7) merge into one above the foundation pit side wall by means of a tee and are connected to the water pump (8).
8. Pit drainage system according to claim 7, characterized in that the part of the drainage pipe (7) above the side wall of the pit is provided with a valve (9) for controlling the opening and closing of the drainage pipe (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633023.1A CN111608194A (en) | 2020-07-04 | 2020-07-04 | Foundation pit drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010633023.1A CN111608194A (en) | 2020-07-04 | 2020-07-04 | Foundation pit drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111608194A true CN111608194A (en) | 2020-09-01 |
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ID=72194191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010633023.1A Pending CN111608194A (en) | 2020-07-04 | 2020-07-04 | Foundation pit drainage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111608194A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227383A (en) * | 2020-10-19 | 2021-01-15 | 许勇 | Safe type housing construction underground structure supporting device |
| CN114150677A (en) * | 2021-12-27 | 2022-03-08 | 广东华固工程有限公司 | Foundation pit supporting structure in deep silt and construction method thereof |
-
2020
- 2020-07-04 CN CN202010633023.1A patent/CN111608194A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227383A (en) * | 2020-10-19 | 2021-01-15 | 许勇 | Safe type housing construction underground structure supporting device |
| CN114150677A (en) * | 2021-12-27 | 2022-03-08 | 广东华固工程有限公司 | Foundation pit supporting structure in deep silt and construction method thereof |
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