CN207672553U - A kind of enhancing system of soft soil foundation - Google Patents
A kind of enhancing system of soft soil foundation Download PDFInfo
- Publication number
- CN207672553U CN207672553U CN201721737900.XU CN201721737900U CN207672553U CN 207672553 U CN207672553 U CN 207672553U CN 201721737900 U CN201721737900 U CN 201721737900U CN 207672553 U CN207672553 U CN 207672553U
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- Prior art keywords
- ground
- pile
- laid
- foundation
- reinforcing pile
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The utility model provides a kind of enhancing system of soft soil foundation, it is related to building lot field of reinforcement, aim to solve the problem that the different position of same building load is long using identical reinforcing pile, additional stress in its ground is different, the larger problem of relative settlement, including the reinforcing pile being laid in ground, the reinforcing pile includes the length stake being laid in below main building, it further include the stub being laid in below annex, it is equipped with geotextiles on the reinforcing pile, it is equipped with mattress layer in the geotextiles, forms NEW TYPE OF COMPOSITE ground.The composite foundation of the utility model carries out reinforcing improvement by reinforcing pile to subsoil, while meeting requirement for bearing capacity, reduces the relative settlement of height building.
Description
Technical field
The utility model is related to building lot field of reinforcement, more particularly to the enhancing system of a kind of soft soil foundation.
Background technology
For the ground situation of Dongtai City's business complex building, building yard belongs to Changjiang alluvial plain, and alluvial flat mutually sinks
Product, soil layer are mainly made of fill stratum and deposition soil layer, and level of ground water is closer away from earth's surface.The engineering build is complicated, column bottom load
It is uneven, in addition Geological condition is poor, need to carry out consolidation process to soft soil foundation.
Currently, the isometric cement earth pile of more array settings of the ruggedized construction generally use of soft soil foundation is constituted, soil cement
Stake is uniformly plugged in foundation soil.
Although the cement earth pile that this ruggedized construction can utilize array to be arranged meets the intensity requirement of composite foundation；But
It is that the sedimentation of ground depends primarily on the size of foundation additional stress and the size of the compression modulus of foundation soil, in built-loading
The cement earth pile of different lower section setting equal lengths, since the compression modulus of foundation soil is consistent, the additional stress in ground is deposited
In difference, the sedimentation and the sedimentation of built-loading smaller part position that lead to the larger position of built-loading mismatch, i.e., relative settlement compared with
Greatly.
Utility model content
The purpose of this utility model is to provide a kind of enhancing system of soft soil foundation, is ensureing that foundation bearing capacity meets the requirements
Under the premise of, according to built-loading position of different sizes, additional stress is along the different feature of the variation of ground depth, setting
Different stakes is long, to reduce relative settlement.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of increasing of soft soil foundation
Strong system, including the reinforcing pile that is laid in foundation soil, the reinforcing pile includes the length stake being laid in below main building, further includes cloth
The stub being located at below annex is equipped with geotextiles on the reinforcing pile, mattress layer is equipped in the geotextiles.
By using above-mentioned technical proposal, by the deformation mechanism of ground it is found that the sedimentation of ground depends on ground adding
Pressure size and ground soil property itself compression modulus size；On the one hand, base portion gives plus same pressure over the ground, holds
The pressure that power layer is subject to is ever-reduced from top to bottom, reaches certain depth and even can be ignored, on the other hand, pile body
Setting can change the compression modulus of ground at pile body, pile body is more intensive, and compression modulus is bigger.Therefore, the battle array in ground
Long stake and stub is arranged in row, while ensureing the weight bearing power of ground, can adjust the difference at built-loading position of different sizes
Different sedimentation.In addition, being covered with geotextiles on reinforcing pile, mattress layer is spread in geotextiles, enhances Foundation Part by geotextiles
Horizontal loading ability, and the setting of mattress layer can solve the problems, such as that ground is non-uniform, improve the bearing capacity of ground.
Further, the reinforcing pile further includes campshed, and the campshed row is set to the pile group that the long stake is formed with stub
Periphery, the campshed are identical as long pile length.
By using above-mentioned technical proposal, in order to avoid under the action of horizontal loading, the friendship especially in long stake and stub
At boundary, Foundation Part is susceptible to sideslip, pile group periphery be arranged campshed, can not only consolidated subsoil surrounding, it is isometric with long stake
The campshed of setting can also improve the shearing strength of ground.
Further, foundation pit has been dug on the ground, the reinforcing pile array is in the soil of the foundation pit, the soil
Work cloth and mattress layer are laid on foundation pit surface.
By using above-mentioned technical proposal, foundation pit is opened up on ground, so that the footing of building is put into below ground, and put
It sets on harder supporting course, ensures construction quality.
Further, it is covered with concrete cushion on the mattress layer.
By using above-mentioned technical proposal, concrete cushion is laid on mattress layer, on the one hand, can be played to mattress layer
Protective effect avoids mattress layer from being destroyed, and on the other hand, can foundation surface be kept smooth, to facilitate subsequent construction.
Further, the long stake, stub and the campshed are to whitewash or dust by cement mixing pile machine to be formed
Cement earth pile.
By using above-mentioned technical proposal, whitewashing is stirred into ground using cement mixing pile machine or dusted, form cement
Native stake not only increases foundation load ability, moreover it is possible to reduce cost, facilitate construction.
In conclusion the utility model has the advantages that：
1. according to the size of additional stress in soft soil foundation, it is arranged that different reinforcing pile stakes is long, and reasonable consolidated subsoil reduces
Relative settlement；
2. by the geotextiles being arranged on reinforcing pile, the horizontal loading ability at the top of ground is improved；
3. by the setting for the pile group periphery campshed that long stake and stub are formed, the shearing strength of ground is improved.
Description of the drawings
Fig. 1 is a kind of enhancing system of soft soil foundation of the utility model.
In figure, 1, ground；11, foundation pit；2, concrete cushion；21, mattress layer；22, geotextiles；3, reinforcing pile；30, long
Stake；31, stub；32, campshed.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：
A kind of enhancing system of soft soil foundation, as shown in Figure 1, include the foundation pit 11 dug on ground 1, and including battle array
Row are plugged in the reinforcing pile 3 in 11 times grounds of foundation pit 1, and reinforcing pile 3 includes long stake 30 and stub 31, wherein 30 array of long stake exists
Below main building, 31 array of stub is in the lower section of annex；Geotextiles 22 are covered on 3 top of reinforcing pile, positioned at 11 surface of foundation pit, in soil
Mattress layer 21 is covered on work cloth 22, here, geotextiles 22 can be fixed on 3 top of reinforcing pile by drawstring, and in geotextiles 22
Upper corresponding reinforcing pile 3 is provided with relief hole, and the sandstone in mattress layer 21 is enable to be contacted with 3 part of reinforcing pile.And foundation pit 11 is not only
For superstructure basis reserved space, while the stability of building can be improved.
Since the high lower load of building on ground 1 is different, each not phase of additional stress that 1 part of ground is applied
Together, long stake 30 in array setting in the ground 1 below main building position, long stake 30 groups matches with main building building, in annex portion
The upper stub 31 of array setting in the ground 1 of position lower section, stub 31 groups match with annex building, using the stake to match each other it is long and
Additional stress generates appropriateness sedimentation, can not only consolidated subsoil 1, moreover it is possible to height be made to build uniform settlement.In addition, in foundation pit 11
In be laid with upper geotextiles 22 and mattress layer 21 successively, enhance the horizontal loading ability of 1 part of ground by geotextiles 22, pass through cotton-padded mattress
The stress of 21 uniform ground 1 of bed course, and can be after relative deformation occurs for reinforcing pile 3 and inter-pile soil, mattress layer 21 and geotextiles 22
It can be filled into the gap of reinforcing pile 3 and inter-pile soil, ensure the frictional force of reinforcing pile 3 and inter-pile soil, to ensure reinforcing pile 3
Partial stability.
In the utility model this embodiment, long stake 30 and the soil cement made of uniaxial cement mixing pile machine of stub 31
Stake, here, the cement mixed ratio of cement earth pile is 15%, using the method for cement earth pile consolidated subsoil 1, is realizing the reinforcing of ground 1
While, reinforcing expense can be reduced, it is cost-effective；In addition, when stake is grown within the scope of Transition tenpevatave, smaller soil cement is taken
The stake diameter of stake, to obtain larger folk prescription soil cement surface area, to reduce cost；Meanwhile can according to the difference of geology, to
Auxiliary agent is adulterated in cement, for example, in the soil of saline and alkaline property, the auxiliary agent of saline-alkali tolerance can be adulterated into cement, ensures water
The intensity of soil stake；And it can also increase friction by changing the diameter on same root cement earth pile, improve 1 intensity of ground.
In addition, as shown in Figure 1, reinforcing pile 3 further includes the campshed of the pile group periphery setting formed in long stake 30 and stub 31
32, here, the cement earth pile made of multiaxis cement mixing pile machine of campshed 32.Since ground 1 is in flow, the effect of seismic force
Under, 1 part of ground will appear horizontal sliding, and the campshed 32 made of multiaxis cement mixing pile machine can reinforce 1 structure of ground,
Improve the shearing strength of ground 1.
As shown in Figure 1, being covered with concrete cushion 2 on mattress layer 21.The setting of concrete cushion 2 can not only cover
Mattress layer 21 plays a protective role to mattress layer 21, moreover it is possible to which smooth ground 1 facilitates subsequent construction.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (5)
1. a kind of enhancing system of soft soil foundation, including it is laid in ground（1）Reinforcing pile in soil（3）, it is characterised in that：It is described
Reinforcing pile（3）Including the length stake being laid in below main building（30）, further include the stub being laid in below annex（31）, the reinforcing
Stake（3）On be equipped with geotextiles（22）, the geotextiles（22）On be equipped with mattress layer（21）.
2. a kind of enhancing system of soft soil foundation according to claim 1, it is characterised in that：The reinforcing pile（3）Also wrap
Include campshed（32）, the campshed（32）Row is set to the long stake（30）With stub（31）The pile group periphery of formation, the campshed
（32）With long stake（30）Length is identical.
3. a kind of enhancing system of soft soil foundation according to claim 2, it is characterised in that：The ground（1）On dig
There is foundation pit（11）, the reinforcing pile（3）It is laid in the foundation pit（11）Soil in, the geotextiles（22）And mattress layer（21）
It is laid on foundation pit（11）Surface.
4. a kind of enhancing system of soft soil foundation according to claim 3, it is characterised in that：The mattress layer（21）On set
Set concrete cushion（2）.
5. according to a kind of enhancing system of soft soil foundation described in claim 2, it is characterised in that：The long stake（30）, stub
（31）And the campshed（32）It is the cement earth pile to be formed of being whitewashed or dusted by cement mixing pile machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737900.XU CN207672553U (en) | 2017-12-12 | 2017-12-12 | A kind of enhancing system of soft soil foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721737900.XU CN207672553U (en) | 2017-12-12 | 2017-12-12 | A kind of enhancing system of soft soil foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207672553U true CN207672553U (en) | 2018-07-31 |
Family
ID=62969480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721737900.XU Expired - Fee Related CN207672553U (en) | 2017-12-12 | 2017-12-12 | A kind of enhancing system of soft soil foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207672553U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826201A (en) * | 2019-02-01 | 2019-05-31 | 湖北省水利水电规划勘测设计院 | A kind of weak soil foundation pit step method for protecting support |
| CN111501722A (en) * | 2020-05-21 | 2020-08-07 | 中铁工程设计咨询集团有限公司 | Vacuum preloading and CFG (cement fly-ash gravel) long and short combined pile foundation treatment method |
| CN111719347A (en) * | 2020-06-09 | 2020-09-29 | 中铁第四勘察设计院集团有限公司 | Foundation treatment method and device |
-
2017
- 2017-12-12 CN CN201721737900.XU patent/CN207672553U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826201A (en) * | 2019-02-01 | 2019-05-31 | 湖北省水利水电规划勘测设计院 | A kind of weak soil foundation pit step method for protecting support |
| CN111501722A (en) * | 2020-05-21 | 2020-08-07 | 中铁工程设计咨询集团有限公司 | Vacuum preloading and CFG (cement fly-ash gravel) long and short combined pile foundation treatment method |
| CN111501722B (en) * | 2020-05-21 | 2022-06-03 | 中铁工程设计咨询集团有限公司 | Vacuum preloading and CFG (cement fly-ash gravel) long and short combined pile foundation treatment method |
| CN111719347A (en) * | 2020-06-09 | 2020-09-29 | 中铁第四勘察设计院集团有限公司 | Foundation treatment method and device |
| CN111719347B (en) * | 2020-06-09 | 2022-03-11 | 中铁第四勘察设计院集团有限公司 | Foundation treatment method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20180731 Termination date: 20201212 |