CN205875227U - Utilize pore pressure to provide foundation structure of bearing capacity - Google Patents
Utilize pore pressure to provide foundation structure of bearing capacity Download PDFInfo
- Publication number
- CN205875227U CN205875227U CN201620817955.0U CN201620817955U CN205875227U CN 205875227 U CN205875227 U CN 205875227U CN 201620817955 U CN201620817955 U CN 201620817955U CN 205875227 U CN205875227 U CN 205875227U
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- CN
- China
- Prior art keywords
- soft clay
- clay layer
- bed course
- ground
- saturated soft
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- 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 provides an utilize pore pressure to provide foundation structure of bearing capacity, including stereoplasm water proof bed course, stagnant water curtain, impermeable stratum and saturated soft clay layer, stereoplasm water proof bed course is laid on ground base surface, plays to prevent ground to emit the purpose of water and deformation. The soft clay layer of saturation clamp is located between stereoplasm water proof bed course and the impermeable stratum, wherein: stereoplasm water proof bed course lies in the up end on saturated soft clay layer, and impermeable stratum lies in the lower terminal surface on saturated soft clay layer, stagnant water curtain parcel is in the side end face on the soft clay layer of saturation. The utility model adopts the above technical scheme, little this unfavorable factor of clay osmotic coefficient turns into the favorable factor in foundation treatment originally, utilizes the higher balanced additional stress of hole water osmotic pressure in the clay. Recoverable engineering materials after the ground function is accomplished pulls out the slip casting pipe, retrieves upper portion stereoplasm water proof bed course, recovers the nature original appearance, compares present ground project organization, and this foundation structure time limit for a project is shorter, more green.
Description
Technical field
This utility model belongs to field of foundation treatment, particularly relates to a kind of ground base junction utilizing pore pressure to provide bearing capacity
Structure.
Background technology
In actual production, the more scheme of general employing has soil cement reinforcing, draining concretion method or close compacting method of shaking to reinforce
Ground.
When the reinforcement means using cement mixing pile, high-pressure rotary jet grouting pile etc. to pour into solidfied material, soil body composition is permanent
Changing, the later stage also is difficult to recover original appearance.The solidfied material such as cement enter the soil body can cause soil and groundwater for a long time and
There is the pollution of persistence.
When using draining concretion method consolidated subsoil in saturated soft clay, owing to Permeability Coefficient of Foundation is little, Super-void Water Pressure
Power dissipates and needs the long period, for the beta site needing short-period used, i.e. can not meet construction period also inadequate warp
Ji.Also due to the dissipation of excess pore-water pressure time is long, the duration that rammer method of shaking reinforces saturated clay ground is the most relatively long, and
DeGrain.
Utility model content
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide one and utilizes pore pressure to provide carrying
The foundation structure of power, including hard waterproof cushion, water-stop curtain, impermeable stratum and saturated soft clay layer, hard waterproof cushion spreads
It is located on foundation surface, plays the purpose stoping ground to emit water and deformation.Saturated soft clay layer be located in hard waterproof cushion and
Between impermeable stratum, wherein: hard waterproof cushion is positioned at the upper surface of saturated soft clay layer, impermeable stratum is positioned at saturated soft clay
The lower surface of layer；Water-stop curtain is wrapped in the side end face of saturated soft clay layer.
As preferably, in saturated soft clay layer, also it is injected with mud.
As preferably, described hard waterproof cushion is reinforced concrete floor.
As preferably, described water-stop curtain is steel sheet pile, and steel sheet pile, in addition to preferable water-resisting property, also can be carried out after using
Reclaim.Set around Ground Treatment water-stop curtain play prevention the soil body squeeze to around, slow down pore water pressure and dissipate to around
Purpose.
As preferably, lay the hard plate material of water proof as bed course at foundation surface, play prevention ground and emit water and deformation
Purpose.Selection for bed course needs to consider the difference of field condition, original ground is existed to the feelings of higher-strength crust layer
Condition can select board-like bed course, such as the steel plate of suitable thickness.Can when there is no crust layer or crust layer intensity is the highest
To use the prefabricated box bed course that rigidity is bigger, material can select steel or armored concrete according to requirement of strength and recovery convenience
Material.Around Ground Treatment, plug slip casting steel pipe, inject the mud of suitable severe to the bottom of Ground Treatment with suitable pressure,
It is continuously replenished the pore water pressure dissipated during ground uses.Mud severe determines according to concrete engineering, and main purpose is not
The pore water pressure that disconnected supplementary ground dissipates during using.A large amount of mud is not required to for saturated soft clay layer, but ties up
Hold the pore water pressure in stratum.
Compared with prior art, the beneficial effects of the utility model are:
This utility model uses technique scheme, will originally in basement process clay infiltration coefficient little this unfavorable because of
Element is converted into favorable factor, utilizes pore water osmotic pressure balance additional stress higher in clay.
Ground function is recyclable engineering material after completing, and pulls out Grouting Pipe, reclaims top hard waterproof cushion, recovers nature
Original appearance, compares existing Foundation Design structure, and this foundation structure duration is shorter, more environmental protection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is made a detailed explanation.
Embodiment 1:
As it is shown in figure 1, this utility model provides the concrete real of a kind of foundation structure utilizing pore pressure to provide bearing capacity
Executing example, including hard waterproof cushion, water-stop curtain, impermeable stratum and saturated soft clay layer, hard waterproof cushion is laid on ground
On surface, play the purpose stoping ground to emit water and deformation.Saturated soft clay layer is located in hard waterproof cushion and impermeable stratum
Between, wherein: hard waterproof cushion is positioned at the upper surface of saturated soft clay layer, impermeable stratum is positioned at the lower end of saturated soft clay layer
Face；Water-stop curtain is wrapped in the side end face of saturated soft clay layer.
Wherein: being also injected with mud in saturated soft clay layer, described hard waterproof cushion is reinforced concrete floor, described
Water-stop curtain is steel sheet pile, and steel sheet pile, in addition to preferable water-resisting property, also may be recovered after using.Beat around Ground Treatment
If water-stop curtain plays prevention, the soil body squeezes to around, slows down pore water pressure to the purpose around dissipated.
Lay the hard plate material of water proof as bed course at foundation surface, play the purpose stoping ground to emit water and deformation.Right
Selection in bed course needs to consider the difference of field condition, can select when there is higher-strength crust layer for original ground
Board-like bed course, such as the steel plate of suitable thickness.Rigidity can be used when there is no crust layer or crust layer intensity is the highest
Bigger prefabricated box bed course, material can select steel or Reinforced Concrete Materials according to requirement of strength and recovery convenience.At place
Plug slip casting steel pipe around reason ground, inject the mud of suitable severe to the bottom of Ground Treatment with suitable pressure, be continuously replenished
The pore water pressure that ground dissipates during using.Mud severe determines according to concrete engineering, and main purpose is for being continuously replenished ground
The pore water pressure that base dissipates during using.A large amount of mud is not required to for saturated soft clay layer, but maintains in stratum
Pore water pressure.
This utility model uses technique scheme, will originally in basement process clay infiltration coefficient little this unfavorable because of
Element is converted into favorable factor, utilizes pore water osmotic pressure balance additional stress higher in clay.
Ground function is recyclable engineering material after completing, and pulls out Grouting Pipe, reclaims top hard waterproof cushion, recovers nature
Original appearance, compares the design of existing basement process, and this foundation structure duration is shorter, more environmental protection.
It is emphasized that: be the most only preferred embodiment of the present utility model, not this utility model appointed
What pro forma restriction, every according to technical spirit of the present utility model, above example is made any simple modification, etc.
With change and modification, all still fall within the range of technical solutions of the utility model.
Claims (4)
1. one kind utilizes the foundation structure that pore pressure provides bearing capacity, it is characterised in that include hard waterproof cushion, sealing curtain
Curtain, impermeable stratum and saturated soft clay layer, hard waterproof cushion is laid on foundation surface, and saturated soft clay layer is located in hard
Between waterproof cushion and impermeable stratum, wherein: hard waterproof cushion is positioned at the upper surface of saturated soft clay layer, and impermeable stratum is positioned at
The lower surface of saturated soft clay layer；Water-stop curtain is wrapped in the side end face of saturated soft clay layer.
2. according to a kind of foundation structure utilizing pore pressure to provide bearing capacity described in claim 1, it is characterised in that
Mud also it is injected with in saturated soft clay layer.
3., according to a kind of foundation structure utilizing pore pressure to provide bearing capacity described in claim 1 or 2, its feature exists
In, described hard waterproof cushion is steel plate or reinforced concrete floor.
4., according to a kind of foundation structure utilizing pore pressure to provide bearing capacity described in claim 1 or 2, its feature exists
In, described water-stop curtain is steel sheet pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817955.0U CN205875227U (en) | 2016-07-28 | 2016-07-28 | Utilize pore pressure to provide foundation structure of bearing capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620817955.0U CN205875227U (en) | 2016-07-28 | 2016-07-28 | Utilize pore pressure to provide foundation structure of bearing capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205875227U true CN205875227U (en) | 2017-01-11 |
Family
ID=57699880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620817955.0U Expired - Fee Related CN205875227U (en) | 2016-07-28 | 2016-07-28 | Utilize pore pressure to provide foundation structure of bearing capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205875227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241662A (en) * | 2018-10-19 | 2019-09-17 | 北京恒祥宏业基础加固技术有限公司 | A kind of high-speed railway subgrade differential settlement reinforcing lifting leveling method |
-
2016
- 2016-07-28 CN CN201620817955.0U patent/CN205875227U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110241662A (en) * | 2018-10-19 | 2019-09-17 | 北京恒祥宏业基础加固技术有限公司 | A kind of high-speed railway subgrade differential settlement reinforcing lifting leveling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wei Gang Inventor after: Zhang Xinhai Inventor after: Lin Xiong Inventor after: Wang Xiao Inventor after: Hua Xinxin Inventor after: Li Jing Inventor after: Zhu Tianyu Inventor after: Cui Chenghong Inventor after: Yu Haoqiang Inventor before: Wei Gang Inventor before: Zhang Jia Inventor before: Huang Wen Inventor before: Jiang Xin Inventor before: Lin Xiong Inventor before: Zhu Tianyu Inventor before: Wang Xiao Inventor before: Cai Shiqi Inventor before: Jiang Wanqing Inventor before: Huang Xu |
|
| COR | Change of bibliographic data | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20190728 |