CN206706790U - Base pit dewatering system - Google Patents
Base pit dewatering system Download PDFInfo
- Publication number
- CN206706790U CN206706790U CN201720465191.8U CN201720465191U CN206706790U CN 206706790 U CN206706790 U CN 206706790U CN 201720465191 U CN201720465191 U CN 201720465191U CN 206706790 U CN206706790 U CN 206706790U
- Authority
- CN
- China
- Prior art keywords
- well casing
- precast concrete
- metalling
- steel pipe
- foundation ditch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011178 precast concrete Substances 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000002245 particle Substances 0.000 claims abstract description 28
- 239000004567 concrete Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 239000013049 sediment Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 239000010841 municipal wastewater Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
- 239000002349 well water Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
It the utility model is related to base pit dewatering civil engineering field of engineering technology,More particularly, to a kind of base pit dewatering system,Including multiple dewatering wells being located in foundation ditch basis,Dewatering well includes precast concrete well casing,Filled out between precast concrete well casing outer wall and foundation ditch basis provided with filter material layer,Precast concrete well casing bottom is provided with well seat,Sediment tube is provided with above well seat,Sediment tube has been sequentially arranged above bulky grain metalling,Middle particle metalling,Little particle metalling and water filtering tank,Steel pipe is arranged with above precast concrete well casing,Inner cylinder is fixed with steel pipe bottom inwall,It is intraoral that inner cylinder gos deep into precast concrete well casing,The inner hole wall top of steel pipe is provided with retainer ring,The anti-hydrofoil ring of steel pipe external welding more than precast concrete well casing,Foundation ditch basis top is provided with the blinding concrete concordant with the precast concrete well casing mouth of pipe,Blinding concrete has been sequentially arranged above pea gravel concreten protective layer,Splash guard,Water-proof putty,Base concrete has been poured above water-proof putty.
Description
Technical field
Base pit dewatering civil engineering field of engineering technology is the utility model is related to, more particularly, to a kind of base pit dewatering system.
Background technology
Base pit dewatering can make the working faces such as excavation of foundation pit, supporting be in drying regime, and have and avoid Foundation Pit ground swell
The advantages that water and reduction foundation pit side-wall water pressure, Method on Dewatering of Foundation Pit is more using the interior laying pumped well in around foundation ditch or full hole at present
When carrying out precipitation, but carrying out base pit dewatering, substantial amounts of underground water is extracted and directly discharged, this not only waste water resource, and
Aggravate municipal wastewater processing load.
The content of the invention
The purpose of this utility model is to provide a kind of base pit dewatering system, solves existing dewatering construction method water resource waste
Seriously, the bad technical problem of dewatering effect.
The purpose of this utility model is realized in the following manner：Base pit dewatering system, including it is multiple be located at foundation ditch basis
Interior dewatering well, the spacing between two neighboring dewatering well is 15~22m, and the dewatering well includes precast concrete well casing, in advance
Filled out between concrete well pipe outer wall processed and foundation ditch basis and filter material layer, precast concrete well casing bottom are provided with well seat, well seat
Top is provided with sediment tube, and sediment tube is located in precast concrete well casing, sediment tube be sequentially arranged above bulky grain metalling,
Middle particle metalling, little particle metalling and water filtering tank, are arranged with steel pipe above precast concrete well casing, on steel pipe bottom inwall
It is fixed with inner cylinder, inner cylinder gos deep into that precast concrete well casing is intraoral, and the inner hole wall top of steel pipe is provided with retainer ring, precast concrete
The anti-hydrofoil ring of steel pipe external welding more than well casing, foundation ditch basis top are provided with the bed course concordant with the precast concrete well casing mouth of pipe
Concrete, blinding concrete top are provided with pea gravel concreten protective layer, splash guard are equipped with above pea gravel concreten protective layer,
Water-proof putty is provided with above splash guard, has poured base concrete above water-proof putty, anti-hydrofoil ring is in base concrete
Interior, water pump is located above water filtering tank, and water pump is connected by water pipe with the gutter on the outside of foundation ditch, and it is heavy to be provided with gutter
Sand pond, gutter connect with municipal pipeline.
The gutter is provided with waterwall close to the side of foundation ditch.
The bulky grain metalling uses particle diameter 10~20mm cobbles, and thickness is not less than 60cm, and middle particle metalling uses
Particle diameter 4~10mm coarse sands, thickness are not less than 50cm, and little particle metalling uses particle diameter 1~3mm fine sands, and thickness is not less than 30cm.
The internal diameter of the dewatering well is 1.5m.
The thickness of the filter material layer is 0.9m.
The beneficial effects of the utility model are：Base pit dewatering can be collected and made full use of by the utility model, both be avoided
The waste of water resource, while mitigate municipal wastewater processing load again；Precast concrete well casing surrounding set drainage layer and
Bulky grain metalling, middle particle metalling, little particle metalling and water filtering tank have been sequentially arranged above in sediment tube, can have been prevented
Sand content is exceeded in well water impacts to drainage system, effectively reduces a large amount of losses of grogs, reduces labor intensity, can
Efficiency of construction is improved, saves construction cost；Later stage plugging construction is easy, and operating personnel are not required to carry out professional training, common laborer
It can complete.
Brief description of the drawings
Fig. 1 is the floor plan of precipitation system.
Fig. 2 is the profile of precipitation system.
Fig. 3 is the structural representation of dewatering well.
Embodiment
As shown in Figures 1 to 3, base pit dewatering system, including multiple dewatering wells being located in foundation ditch basis, two neighboring precipitation
Spacing between well is 15~22m, and the internal diameter of dewatering well is 1.5m, and dewatering well includes precast concrete well casing 20, concrete
Filled out between the native outer wall of well casing 20 and foundation ditch basis 12 and use particle diameter 2~5mm medium coarse sands, filtrate provided with filter material layer 19, filter material layer 19
The thickness of layer 19 is 0.9m, and the bottom of precast concrete well casing 2 is provided with well seat 18, and the top of well seat 18 is provided with sediment tube 10, sunk
Shallow lake pipe 10 is located in precast concrete well casing 20, the top of sediment tube 10 be disposed with from bottom to top bulky grain metalling 17, in
Particle metalling 16, little particle metalling 15 and water filtering tank 3, water pump 5 are arranged on the top of water filtering tank 3 and are connected with water pipe 4, big
Grain metalling 17 uses particle diameter 10~20mm cobbles, and thickness is not less than 60cm, and middle particle metalling 16 is thick using 4~10mm of particle diameter
Sand, thickness are not less than 50cm, and little particle metalling 15 uses particle diameter 1~3mm fine sands, and thickness is not less than 30cm, precast concrete
The top of well casing 20 is arranged with steel pipe 2, and steel pipe 2 is hot rolled seamless steel tube, and inner cylinder 11, inner cylinder 11 are fixed with the bottom interior wall of steel pipe 2
Go deep into that precast concrete well casing 20 is intraoral, the inner hole wall top of steel pipe 2 is provided with retainer ring 6, precast concrete well casing more than 20
The anti-hydrofoil ring 8 of the external welding of steel pipe 2, anti-hydrofoil ring 8 made using the thick steel plates of 6mm are more than, and the top of foundation ditch basis 12 is provided with
The blinding concrete 13 concordant with the mouth of pipe of precast concrete well casing 20, the top of blinding concrete 13 are provided with pea gravel concreten protection
Layer 14, pea gravel concreten protective layer 14 are not more than 15mm concrete, pea gravel concreten protective layer 14 for maximum size of coarse aggregate
Thickness be 100mm, the top of pea gravel concreten protective layer 14 is equipped with splash guard 9, and the top of splash guard 9 is provided with water-proof putty 1,
The top of water-proof putty 1 has poured base concrete 7, and the thickness of base concrete is 500~600mm, and anti-hydrofoil ring 8 is in basis
In concrete seven, water pump is located above water filtering tank, and water pump 5 is connected by water pipe 4 with the gutter 23 on the outside of foundation ditch, draining
Setting pot 23 is provided with ditch 22, gutter 22 connects with municipal pipeline, and gutter 22 is provided with dash close to the side of foundation ditch
Wall 21.
After the completion of drawing water, water pump 5 is proposed, first a shrouding is fixed on inner cylinder 11, at casting concrete to retainer ring 6,
Another shrouding and retainer ring 6 to be fixed again, casting concrete is concordant to the mouth of pipe of steel pipe 2, finally fixes ring flange and steel pipe 2,
Casting concrete.
Gutter 22 connects with municipal pipeline, can collect base pit dewatering and make full use of, and has both avoided the wave of water resource
Take, while mitigate municipal wastewater processing load again；Drainage layer is set and on sediment tube in the surrounding of precast concrete well casing
Side is disposed with bulky grain metalling, middle particle metalling, little particle metalling and water filtering tank, can prevent from containing sand in well water
The exceeded a large amount of losses for being impacted to drainage system, effectively reducing grogs are measured, reduce labor intensity, it is possible to increase construction effect
Rate, save construction cost；Later stage plugging construction is easy, and operating personnel are not required to carry out professional training, and common laborer can complete.
Claims (5)
1. base pit dewatering system, including multiple dewatering wells being located in foundation ditch basis, the spacing between two neighboring dewatering well is
15~22m, it is characterised in that：The dewatering well includes precast concrete well casing, precast concrete well casing outer wall and foundation ditch basis
Between fill out provided with filter material layer, precast concrete well casing bottom is provided with well seat, is provided with sediment tube above well seat, sediment tube is located at
In precast concrete well casing, sediment tube be sequentially arranged above bulky grain metalling, middle particle metalling, little particle metalling and
Water filtering tank, precast concrete well casing top are arranged with steel pipe, inner cylinder are fixed with steel pipe bottom inwall, inner cylinder gos deep into concrete
Native well casing is intraoral, and the inner hole wall top of steel pipe is provided with retainer ring, the anti-hydrofoil of steel pipe external welding more than precast concrete well casing
Ring, foundation ditch basis top are provided with the blinding concrete concordant with the precast concrete well casing mouth of pipe, set above blinding concrete
There is pea gravel concreten protective layer, splash guard be equipped with above pea gravel concreten protective layer, water-proof putty is provided with above splash guard,
Base concrete is poured above water-proof putty, anti-hydrofoil ring is in base concrete, and water pump is located above water filtering tank, water pump
Connected by water pipe with the gutter on the outside of foundation ditch, setting pot is provided with gutter, gutter connects with municipal pipeline.
2. base pit dewatering system according to claim 1, it is characterised in that：The gutter is set close to the side of foundation ditch
There is waterwall.
3. base pit dewatering system according to claim 1, it is characterised in that：The bulky grain metalling using particle diameter 10 ~
20mm cobbles, thickness are not less than 60cm, and middle particle metalling uses particle diameter 4 ~ 10mm coarse sands, and thickness is not less than 50cm, little particle
Metalling uses particle diameter 1 ~ 3mm fine sands, and thickness is not less than 30cm.
4. base pit dewatering system according to claim 1, it is characterised in that：The internal diameter of the dewatering well is 1.5m.
5. base pit dewatering system according to claim 1, it is characterised in that：The thickness of the filter material layer is 0.9m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720465191.8U CN206706790U (en) | 2017-04-28 | 2017-04-28 | Base pit dewatering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720465191.8U CN206706790U (en) | 2017-04-28 | 2017-04-28 | Base pit dewatering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206706790U true CN206706790U (en) | 2017-12-05 |
Family
ID=60457578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720465191.8U Expired - Fee Related CN206706790U (en) | 2017-04-28 | 2017-04-28 | Base pit dewatering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206706790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277807A (en) * | 2018-04-09 | 2018-07-13 | 浙江乔兴建设集团有限公司 | Deep basal pit artesian water is prominent to gush decompression control water-bound |
| CN110725331A (en) * | 2019-10-29 | 2020-01-24 | 中建七局安装工程有限公司 | Foundation pit dewatering recycling system and method |
-
2017
- 2017-04-28 CN CN201720465191.8U patent/CN206706790U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108277807A (en) * | 2018-04-09 | 2018-07-13 | 浙江乔兴建设集团有限公司 | Deep basal pit artesian water is prominent to gush decompression control water-bound |
| CN110725331A (en) * | 2019-10-29 | 2020-01-24 | 中建七局安装工程有限公司 | Foundation pit dewatering recycling system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450046 6 floor, 3 East International Plaza, 85 Jinshui East Road, Zheng Dong New District, Zhengzhou, Henan. Patentee after: Gaochuang Industrial Co.,Ltd. Address before: 450046 6 floor, 3 East International Plaza, 85 Jinshui East Road, Zheng Dong New District, Zhengzhou, Henan. Patentee before: GAOCHUANG CONSTRUCTION Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |