CN203022015U - Foundation raft bottom partial deep foundation pit dewatering device - Google Patents
Foundation raft bottom partial deep foundation pit dewatering device Download PDFInfo
- Publication number
- CN203022015U CN203022015U CN 201220676617 CN201220676617U CN203022015U CN 203022015 U CN203022015 U CN 203022015U CN 201220676617 CN201220676617 CN 201220676617 CN 201220676617 U CN201220676617 U CN 201220676617U CN 203022015 U CN203022015 U CN 203022015U
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- CN
- China
- Prior art keywords
- raft
- foundation pit
- deep foundation
- foundation
- dewatering device
- 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
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a foundation raft bottom partial deep foundation pit dewatering device which comprises a raft. A drainage device is arranged in the soil under the raft. The drainage device is formed in a manner that a groove is excavated in the soil under the raft, water collecting main pipes are arranged in the groove, and the lower portion of each section of water collecting main pipe is connected with well point pipes perpendicular to the ground through tee joints. The number of the well point pipes is at least two. The end portions of the water collecting main pipes are connected with a water pump. The foundation raft bottom partial deep foundation pit dewatering device achieves the purposes of balancing cross operations, accelerating construction progress, and ensuring quality of a project.
Description
Technical field
It relates to local deep foundation pit precipitation device at the bottom of a kind of basic raft plate the utility model.
Background technology
At the bottom of the raft plate of basis, Application of light well point precipitation is descend water to enrich significantly and there is deep foundation ditch the part for the excavation of foundation pit area, peripheral precipitation apparatus can not make this position groundwater table be reduced to (below scope of operation 500mm) in the construction requirement scope at local deep foundation ditch position, and will guarantee that precipitation apparatus does not affect the follow-up construction of basic raft plate.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of above-mentioned prior art, proposes a precipitation method corrective measure, to reach accelerating construction progress, local deep foundation pit precipitation device at the bottom of the basic raft plate of assurance workmanship.
The utility model is realized by technical scheme once:
Local deep foundation pit precipitation device at the bottom of a kind of basic raft plate, comprise the raft plate, be provided with dewatering installation in the soil of raft plate below, described dewatering installation is that in soil below the raft plate, excavation has groove, be provided with water header in groove, the bottom of every section water header is connected with well-point pipe perpendicular to ground by threeway; The quantity of described well-point pipe is at least two, and the end of described water header is connected with water pumper.
The utlity model has following advantage: the utility model has reached the balance cross-operation, accelerating construction progress, the purpose of assurance workmanship.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is header and well-point pipe and water plug syndeton schematic diagram.
The specific embodiment
Embodiment: local deep foundation pit precipitation device at the bottom of a kind of basic raft plate as shown in the figure, comprise raft plate 1, in soil below raft plate 1, one 300mm of excavated by manual work is dark, the wide groove 4 of 300mm, be provided with water header parallel to the ground 2 in groove 4, then with coarse sand, groove 4 filled and led up to guarantee that water header 2 is not destroyed in follow-up work progress.The bottom of every section water header 2 is connected with well-point pipe 3 perpendicular to ground by threeway 5, then after just every section water header 2 connects, its end is connected with water pumper 6, by water pumper 6, underground water is extracted out through water headers 2 by well-point pipe 3 and is drained.The quantity of above-mentioned well-point pipe 3 is for can be individual as the case may be.
Claims (1)
1. local deep foundation pit precipitation device at the bottom of a basic raft plate, comprise the raft plate, be provided with dewatering installation in the soil of raft plate below, it is characterized in that: described dewatering installation is that in soil below the raft plate, excavation has groove, be provided with water header in groove, the bottom of every section water header is connected with well-point pipe perpendicular to ground by threeway; The quantity of described well-point pipe is at least two, and the end of described water header is connected with water pumper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676617 CN203022015U (en) | 2012-12-11 | 2012-12-11 | Foundation raft bottom partial deep foundation pit dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676617 CN203022015U (en) | 2012-12-11 | 2012-12-11 | Foundation raft bottom partial deep foundation pit dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203022015U true CN203022015U (en) | 2013-06-26 |
Family
ID=48646009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220676617 Expired - Fee Related CN203022015U (en) | 2012-12-11 | 2012-12-11 | Foundation raft bottom partial deep foundation pit dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203022015U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452124A (en) * | 2013-09-04 | 2013-12-18 | 中国十九冶集团有限公司 | Method and device for removing accumulated water in foundation pit |
| CN103469799A (en) * | 2013-09-24 | 2013-12-25 | 中国建筑第二工程局有限公司 | Excavating method for red mudstone soil elevator foundation pit under underground water level in cold region |
| CN110258603A (en) * | 2019-06-18 | 2019-09-20 | 李贺清 | The stealthy precipitation engineering method of local ultra-deep foundation pit in deep basal pit |
-
2012
- 2012-12-11 CN CN 201220676617 patent/CN203022015U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452124A (en) * | 2013-09-04 | 2013-12-18 | 中国十九冶集团有限公司 | Method and device for removing accumulated water in foundation pit |
| CN103452124B (en) * | 2013-09-04 | 2015-10-28 | 中国十九冶集团有限公司 | Pit water accumulation method for removing and device |
| CN103469799A (en) * | 2013-09-24 | 2013-12-25 | 中国建筑第二工程局有限公司 | Excavating method for red mudstone soil elevator foundation pit under underground water level in cold region |
| CN110258603A (en) * | 2019-06-18 | 2019-09-20 | 李贺清 | The stealthy precipitation engineering method of local ultra-deep foundation pit in deep basal pit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20151211 |
|
| EXPY | Termination of patent right or utility model |