CN204370459U - The outer precipitation system of high sensitivity soil deep foundation pit support foundation ditch - Google Patents
The outer precipitation system of high sensitivity soil deep foundation pit support foundation ditch Download PDFInfo
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- CN204370459U CN204370459U CN201420805605.3U CN201420805605U CN204370459U CN 204370459 U CN204370459 U CN 204370459U CN 201420805605 U CN201420805605 U CN 201420805605U CN 204370459 U CN204370459 U CN 204370459U
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- high sensitivity
- foundation ditch
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- precipitation pipe
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Abstract
The utility model belongs to high sensitivity soil deep foundation pit support technical field of auxiliary facilities, the technical problem that when adopting anchored pile supporting system to strengthen high sensitivity soil deep foundation pit supporting structure for solving, cost is higher, provide the outer precipitation system of a kind of high sensitivity soil deep foundation pit support foundation ditch, comprise several precipitation pipe wells being arranged on foundation ditch periphery, described precipitation pipe well is all arranged on outside foundation ditch apart from foundation ditch 5m place, distance between adjacent two precipitation pipe wells is 12m, and the severity control of described precipitation pipe well is below high sensitivity soil layer but be not more than foundation depth.The utility model, by arranging some precipitation pipe wells at foundation ditch periphery, adopts the method for the water level reducing the soil body outside foundation ditch to change high sensitivity soil by Strength Changes condition after disturbance, reaches and improve soil mass of foundation pit stabilizing effect.The Foundation Supported with Composite Soil Nailing scheme implementation lower for construction costs creates advantage, obtains optimum efficiency with less input.
Description
Technical field
The utility model belongs to high sensitivity soil deep foundation pit support technical field of auxiliary facilities, is specifically related to the outer precipitation system of a kind of high sensitivity soil deep foundation pit support foundation ditch.
Background technology
After high sensitivity soil is disturbed, loss of strength is very large.Foundation Pit Construction process makes foundation pit walls soil body stability reduce to soil disturbance.In order to strengthen deep pit monitor, high sensitivity soil Design of Deep Foundation Pit Support takes anchored pile supporting system usually, resists high sensitivity soil and loses by soil strength after disturbance, but adopt this anchored pile supporting system cost higher with strengthening supporting structural strength.
Summary of the invention
The utility model is solve the technical problem that when adopting anchored pile supporting system to strengthen high sensitivity soil deep foundation pit supporting structure, cost is higher, provides the outer precipitation system of a kind of high sensitivity soil deep foundation pit support foundation ditch.
The technical solution adopted in the utility model is as follows:
The outer precipitation system of a kind of high sensitivity soil deep foundation pit support foundation ditch, comprise several precipitation pipe wells being arranged on foundation ditch periphery, described precipitation pipe well is all arranged on outside foundation ditch apart from foundation ditch 5m place, distance between adjacent two precipitation pipe wells is 12m, and the severity control of described precipitation pipe well is below high sensitivity soil layer but be not more than foundation depth.
Outside described precipitation pipe well, ground is provided with an enclosing, the opposite side of enclosing is provided with catchwater.
The beneficial effects of the utility model: the utility model, by arranging some precipitation pipe wells at foundation ditch periphery, adopts the method for the water level reducing the soil body outside foundation ditch to change high sensitivity soil by Strength Changes condition after disturbance, reaches and improve soil mass of foundation pit stabilizing effect.The Foundation Supported with Composite Soil Nailing scheme implementation lower for construction costs creates advantage, obtains optimum efficiency with less input.The utility model uses by combining with Foundation Supported with Composite Soil Nailing scheme, and does not adopt compared with anchored pile supporting scheme of the present utility model, significantly can reduce construction costs.
Accompanying drawing explanation
Fig. 1 is top view of the present utility model;
Fig. 2 is supporting and downcomer well profile figure;
In figure: 1-precipitation pipe well, 2-foundation ditch, 3-enclosing, 4-catchwater, 5-anchor pipe soil nail, 6-prestress anchorage cable, 7-Soil-cement pile water stopping curtain, 8-foundation ditch bottom surface.
Detailed description of the invention
As shown in Figure 1, 2, the outer precipitation system of a kind of high sensitivity soil deep foundation pit support foundation ditch, comprise several precipitation pipe wells 1 being arranged on foundation ditch 2 periphery, described precipitation pipe well 1 is all arranged on outside foundation ditch 2 apart from foundation ditch 5m place, distance between adjacent two precipitation pipe wells 1 is 12m, and the severity control of described precipitation pipe well 1 is below high sensitivity soil layer but be not more than foundation depth.Outside described precipitation pipe well 1, ground is provided with an enclosing 3, the opposite side of enclosing 3 is provided with catchwater 4.
Precipitation pipe well is located at 5m outside foundation ditch, and in the middle of adjacent two anchor cables, the anchorage cable anchoring section secondary grouting pipe slurry outlet of adjacent dewatering well is opened apart from outside dewatering well 5m, prevents from damaging relief well during secondary pressure slip casting.
The utility model, by arranging some precipitation pipe wells at foundation ditch periphery, adopts the method for the water level reducing the soil body outside foundation ditch to change high sensitivity soil by Strength Changes condition after disturbance, reaches and improve soil mass of foundation pit stabilizing effect.The Foundation Supported with Composite Soil Nailing scheme implementation lower for construction costs creates advantage, obtains optimum efficiency with less input.The utility model uses by combining with Foundation Supported with Composite Soil Nailing scheme, and does not adopt compared with anchored pile supporting scheme of the present utility model, significantly can reduce construction costs.
Claims (2)
1. the outer precipitation system of high sensitivity soil deep foundation pit support foundation ditch, it is characterized in that: comprise several precipitation pipe wells (1) being arranged on foundation ditch (2) periphery, described precipitation pipe well (1) is all arranged on foundation ditch (2) outside apart from foundation ditch 5m place, distance between adjacent two precipitation pipe wells (1) is 12m, and the severity control of described precipitation pipe well (1) is below high sensitivity soil layer but be not more than foundation depth.
2. the outer precipitation system of a kind of high sensitivity soil deep foundation pit support foundation ditch according to claim 1, is characterized in that: ground is provided with an enclosing (3) in described precipitation pipe well (1) outside, and the opposite side of enclosing (3) is provided with catchwater (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805605.3U CN204370459U (en) | 2014-12-19 | 2014-12-19 | The outer precipitation system of high sensitivity soil deep foundation pit support foundation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420805605.3U CN204370459U (en) | 2014-12-19 | 2014-12-19 | The outer precipitation system of high sensitivity soil deep foundation pit support foundation ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204370459U true CN204370459U (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420805605.3U Active CN204370459U (en) | 2014-12-19 | 2014-12-19 | The outer precipitation system of high sensitivity soil deep foundation pit support foundation ditch |
Country Status (1)
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| CN (1) | CN204370459U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951860A (en) * | 2016-06-24 | 2016-09-21 | 北京城建集团有限责任公司 | Slanting freezing bottom-making water stop structure for interior and side faces of underground excavated foundation pit and method |
| CN109972643A (en) * | 2019-05-06 | 2019-07-05 | 中国人民解放军空军工程大学 | A kind of region of FuShui base pit engineering Trinity joint precipitation system |
-
2014
- 2014-12-19 CN CN201420805605.3U patent/CN204370459U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951860A (en) * | 2016-06-24 | 2016-09-21 | 北京城建集团有限责任公司 | Slanting freezing bottom-making water stop structure for interior and side faces of underground excavated foundation pit and method |
| CN109972643A (en) * | 2019-05-06 | 2019-07-05 | 中国人民解放军空军工程大学 | A kind of region of FuShui base pit engineering Trinity joint precipitation system |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |