CN207176700U - A kind of solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment - Google Patents
A kind of solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment Download PDFInfo
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- CN207176700U CN207176700U CN201721153954.1U CN201721153954U CN207176700U CN 207176700 U CN207176700 U CN 207176700U CN 201721153954 U CN201721153954 U CN 201721153954U CN 207176700 U CN207176700 U CN 207176700U
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- pile
- foundation ditch
- foundation
- inner support
- solid matter
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Abstract
The utility model is the solid matter perfusion inner support of pile foundation ditch permanent support structure under a kind of complex environment,Including the first high-pressure rotary jet grouting pile,Bored concrete pile,Second high-pressure rotary jet grouting pile,Concrete linked network,Guan Liang,Inner support,Blotter,Reinforced concrete floor,Foundation soil body,First high-pressure rotary jet grouting pile is vertical at form compound foundation in the foundation soil body at foundation ditch bottom,Blotter is laid on composite foundation,It is reinforced concrete floor on blotter,Bored concrete pile uses reinforced concrete structure,It is vertical in foundation soil body,Side on the outside of foundation ditch between bored concrete pile is connected by the second high-pressure rotary jet grouting pile,Opposite side on the inside of foundation ditch between bored concrete pile is connected integral using concrete linked network,Connected at the top of bored concrete pile by Guan Liang integral,Foundation ditch both sides Guan Liang is connected with inner support,The reinforcing bar of inner support is extend into Guan Liang,Together with the bar connecting of Guan Liang,Casting concrete turns into an entirety again.The utility model can improve foundation bearing capacity, low engineering cost, and consolidation effect is good.
Description
Technical field
The utility model belongs to marine traffic engineering pattern foundation pit supporting structure field, is irrigated more particularly to the solid matter under a kind of complex environment
Inner support of pile foundation ditch permanent support structure.
Background technology
With the development of urban construction, the underground space is developed in each big city, such as underground parking, underground
Civil air defense constructions and installations, subterranean commercial area, subway, the underground such as river and seabed tunnel excessively are built（Structure）The construction for building thing is vigorously developed, so as to
Generate the various base pit engineering of large amount of complex.And develop and build these underground spaces and facility, especially in soft clay area,
The requirement more and more higher of base pit engineering, produced problem is also more and more therewith, many new theoretical study methods or construction warp
Test etc. and to be occurred, and tend to be ripe.
Because Geotechnical Engineering, the complexity of foundation ditch surrounding enviroment and its engineering properties have uncertainty, existing branch
Protection structure design theory still has many weak points, causes many problems in the engineering practice of foundation ditch be present.Wherein include：Enclose
Protection structure safety problem；Soil mechanics intensity, deformation and stable problem；Soil and supporting construction INTERACTION PROBLEMS；And environment rock
The problems such as geotechnological journey.And existing foundation pit supporting project is mostly provisional support engineering, supporting is ageing shorter, and works as base
Resistance to overturning is had a great influence when cheating support engineering as permanent retaining engineering.
The content of the invention
The purpose of this utility model is to provide the solid matter perfusion inner support of pile foundation ditch permanent support under a kind of complex environment
Structure.The utility model ensures the resistance to overturning of structure and ground during use, can be suitably used for the poor Soft Soil Area of soil property
Domain, the deformation of the soil body can be controlled after the completion of processing well, can improve foundation bearing capacity, low engineering cost, consolidation effect is good.
The utility model is achieved by following technical solution：Solid matter bored concrete pile under complex environment of the present utility model
Inner support foundation ditch permanent support structure, include the first high-pressure rotary jet grouting pile, bored concrete pile, the second high-pressure rotary jet grouting pile, concrete linked network,
Guan Liang, inner support, blotter, reinforced concrete floor, foundation soil body, the first high-pressure rotary jet grouting pile are vertical at the ground at foundation ditch bottom
Form compound foundation in the base soil body, blotter is laid on composite foundation, be reinforced concrete floor on blotter, bored concrete pile
Using reinforced concrete structure, it is vertical in foundation soil body, the side on the outside of foundation ditch between bored concrete pile is revolved by the second high pressure
Spray stake to connect, the opposite side on the inside of foundation ditch between bored concrete pile is integral using the connection of concrete linked network, passes through hat at the top of bored concrete pile
Beam connection is integral, and foundation ditch both sides Guan Liang is connected with inner support, and inner support and Guan Liang are reinforced concrete structure, inner support
Reinforcing bar is extend into Guan Liang, and together with the bar connecting of Guan Liang, then casting concrete turns into an entirety.
Solid matter perfusion inner support of pile foundation ditch permanent support structure of the present utility model includes single deposited reinforced concrete pile,
Bored concrete pile is vertical in ground, and stake top is linked together by Guan Liang, and Guan Liang is connected to become one by reinforced concrete support
Individual entirety, reinforced using high-pressure rotary jet grouting pile under base plate of foundation pit.Existing solid matter perfusion inner support of pile foundation ditch permanent support structure is applied to
Sand, clay and the poor Soft Soil Layer of soil property, can effectively control the deformation of the soil body, ensure structure and the resistance to overturning of ground,
Ensure peripheral path, the deformation stability of pipeline.Improve hole subsoil body ground by high-pressure rotary jet grouting pile basement process and hold in foundation ditch bottom
Carry power, the effective uplift of soil for controlling bottom of foundation ditch.In addition, the utility model to stake footpath, stake spacing and foundation ditch insert depth,
Size and spacing of inner support etc. are defined, and ensure the internal force and soil deformation stability of pile body.The utility model is one
The solid matter bored concrete pile inner supporting structure of the good foundation ditch permanent support being used under complex environment of kind low cost, consolidation effect.
Brief description of the drawings
Fig. 1 is that bottom of foundation ditch stake bit plane of the present utility model arranges schematic diagram；
Fig. 2 is the A-A profiles in Fig. 1；
Fig. 3 is the B-B profiles in Fig. 1；
Fig. 4 is inner support horizontal layout schematic diagram in top of the present utility model.
Embodiment
Solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment of the present utility model, such as the institute of Fig. 1,2,3
Show, include the first high-pressure rotary jet grouting pile 1, bored concrete pile 2, the second high-pressure rotary jet grouting pile 3, concrete linked network 4, Guan Liang 5, inner support 6, broken
Stone bed course 11, reinforced concrete floor 12, foundation soil body 13, the first high-pressure rotary jet grouting pile 1 are vertical at the foundation soil body at foundation ditch bottom
Form compound foundation in 13, blotter 11 is laid on composite foundation, be reinforced concrete floor 12 on blotter 11, is irrigated
Stake 2 uses reinforced concrete structure, is vertical in foundation soil body 13, the side on the outside of foundation ditch between bored concrete pile 2 passes through second
High-pressure rotary jet grouting pile 3 connects, and the opposite side on the inside of foundation ditch between bored concrete pile 2 connects integral, bored concrete pile 2 using concrete linked network 4
Top connected by Guan Liang 5 integral, foundation ditch both sides Guan Liang 5 is connected with inner support 6, and inner support 6 is that reinforcing bar mixes with Guan Liang 5
Xtah Crude Clay structure, the reinforcing bar of inner support 6 is extend into Guan Liang 5, and together with the bar connecting of Guan Liang 5, then casting concrete turns into
One entirety.Connected on the outside of foundation ditch between bored concrete pile 2 using high-pressure rotary jet grouting pile 3, as water-stop curtain.
Above-mentioned high-pressure rotary jet grouting pile 1 be in order to reinforce foundation ditch bottom foundation soil body 13, play improve foundation ditch bottom foundation bearing capacity and
The effect of control settlement.Bored concrete pile 2 is support pile, plays a part of controlling the horizontal distortion of foundation soil body 13.Irrigated on the outside of foundation ditch
Connected between stake 2 by the second high-pressure rotary jet grouting pile 3, it is therefore an objective to prevent the effect inside the direction of groundwater flow foundation ditch outside foundation ditch；Base
Connected between the bored concrete pile 2 of hole inner side using concrete linked network 4 integral, it is therefore an objective to after excavation of foundation pit, between prevention bored concrete pile 2
The effect that the soil body comes off.
In the present embodiment, above-mentioned foundation ditch both sides Guan Liang 5 is provided with guard rail 7.
In the present embodiment, the part that above-mentioned first high-pressure rotary jet grouting pile 1 enters foundation ditch bottom foundation soil body 13 is no less than 3m.High pressure
The purpose of rotary churning pile 1 is the soft soil reinforced in bottom of foundation ditch foundation soil body, therefore enters the length of heatable adobe sleeping platform bottom foundation soil body
For the thickness of ground soft soil.
The thickness for the blotter 11 laid on above-mentioned composite foundation is no less than 100mm, in the present embodiment, on composite foundation
The thickness of the blotter 11 of laying is 100mm.
The thickness of above-mentioned reinforced concrete floor 12 is 300mm ~ 500mm.In the present embodiment, reinforced concrete floor 12
Thickness is 300mm.
In the present embodiment, the part that above-mentioned bored concrete pile 2 enters bottom of foundation ditch is no less than 7m.According to the property of foundation soil body with
The cutting depth of foundation ditch carries out calculating analysis, it is determined that meeting desired minimum embedded length, while meets to be not less than foundation depth
0.3 times.
Integral thickness is connected using concrete linked network 4 between bored concrete pile 2 on the inside of above-mentioned foundation ditch and is no less than 50mm, this reality
Apply in example, use concrete linked network 4 to connect integral thickness as 50mm between bored concrete pile 2 on the inside of foundation ditch.
In the present embodiment, the above-mentioned outside of bored concrete pile 2 is road 8, and road 8 is layed in the surface of foundation soil body 13.
In the present embodiment, above-mentioned foundation soil body 13 is embedded with drainage pipeline 9.Above-mentioned foundation soil body 13 is embedded with high-tension cable
Pipeline 10.
Referring to Fig. 3, the high-pressure rotary jet grouting pile 1 is made up of water, cement and the soil body, and stake footpath is 0.6m, and stake spacing is 0.45m,
Using gridiron structure.Bored concrete pile 2 is Single row pillars diameter 1.0m, and stake spacing is 1.2m.3 a diameter of 0.6m of high-pressure rotary jet grouting pile, stake
Spacing is 1.2m.
Fig. 4 is that the solid matter under complex environment of the present utility model is irrigated in the top of inner support of pile foundation ditch permanent support structure
Supporting plane arranges schematic diagram.Guan Liang 5 uses Reinforced Concrete Materials, width 1.5m, is highly 1.0m.Inner support 6 uses
Reinforced Concrete Materials, length 4m, width 0.6m, it is highly 0.8m, spacing 4.0m ~ 6.0m.
Although embodiment of the present utility model is described above in association with accompanying drawing, the utility model does not limit to
In above-mentioned specific embodiments and applications field, above-mentioned specific embodiment is only schematical, directiveness, without
It is restricted.One of ordinary skill in the art is under the enlightenment of this specification and is not departing from the utility model claims
In the case of the scope protected, the form of many kinds can also be made, these belong to the row of the utility model protection.
Claims (10)
1. the solid matter perfusion inner support of pile foundation ditch permanent support structure under a kind of complex environment, it is characterised in that it is high to include first
Pressure rotary-spraying stake（1）, bored concrete pile（2）, the second high-pressure rotary jet grouting pile（3）, concrete linked network（4）, Guan Liang（5）, inner support（6）, rubble
Bed course（11）, reinforced concrete floor（12）, foundation soil body（13）, the first high-pressure rotary jet grouting pile（1）It is vertical at the ground at foundation ditch bottom
The base soil body（13）Middle form compound foundation, blotter is laid on composite foundation（11）, blotter（11）Upper is reinforced concrete
Native bottom plate（12）, bored concrete pile（2）Using reinforced concrete structure, foundation soil body is vertical at（13）In, bored concrete pile on the outside of foundation ditch
（2）Between side connected by the second high-pressure rotary jet grouting pile 3, bored concrete pile on the inside of foundation ditch（2）Between opposite side use concrete
Linked network（4）Connect integral, bored concrete pile（2）Top passes through Guan Liang（5）Connect integral, foundation ditch both sides Guan Liang（5）With inner support
（6）Connection, inner support（6）With Guan Liang（5）It is reinforced concrete structure, inner support（6）Reinforcing bar extend into Guan Liang（5）In,
With Guan Liang（5）Bar connecting together, then casting concrete turns into an entirety.
2. the solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment according to claim 1, its feature
It is above-mentioned foundation ditch both sides Guan Liang（5）It is provided with guard rail（7）.
3. the solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment according to claim 1, its feature
It is above-mentioned first high-pressure rotary jet grouting pile（1）Into foundation ditch bottom foundation soil body（13）Part be no less than 3m.
4. the solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment according to claim 1, its feature
It is the blotter laid on above-mentioned composite foundation（11）Thickness be not less than 100mm.
5. the solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment according to claim 1, its feature
It is above-mentioned reinforced concrete floor（12）Thickness be 300mm ~ 500mm.
6. the solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment according to claim 1, its feature
It is above-mentioned bored concrete pile（2）7m is no less than into the part of bottom of foundation ditch.
7. the solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment according to claim 1, its feature
It is bored concrete pile on the inside of above-mentioned foundation ditch（2）Between use concrete linked network（4）Connect integral thickness and be no less than 50mm.
8. the solid matter perfusion inner support of pile foundation ditch permanent support knot under the complex environment according to any one of claim 1 to 7
Structure, it is characterised in that above-mentioned bored concrete pile（2）Outside is road（8）, road（8）It is layed in foundation soil body（13）Surface.
9. the solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment according to claim 8, its feature
It is above-mentioned foundation soil body（13）It is embedded with drainage pipeline（9）.
10. the solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment according to claim 9, its feature
It is above-mentioned foundation soil body（13）It is embedded with high-tension cable pipeline（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721153954.1U CN207176700U (en) | 2017-09-11 | 2017-09-11 | A kind of solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721153954.1U CN207176700U (en) | 2017-09-11 | 2017-09-11 | A kind of solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment |
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| CN207176700U true CN207176700U (en) | 2018-04-03 |
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ID=61743570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721153954.1U Expired - Fee Related CN207176700U (en) | 2017-09-11 | 2017-09-11 | A kind of solid matter perfusion inner support of pile foundation ditch permanent support structure under complex environment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487793A (en) * | 2017-09-11 | 2019-03-19 | 广东省航运规划设计院有限公司 | Inner support of pile foundation pit permanent support structure is perfused in a kind of solid matter under complex environment |
| CN110306560A (en) * | 2019-06-28 | 2019-10-08 | 中铁第四勘察设计院集团有限公司 | Supporting construction and foundation ditch construction method |
| CN110306558A (en) * | 2019-06-06 | 2019-10-08 | 中铁第四勘察设计院集团有限公司 | Foundation pit supporting method |
-
2017
- 2017-09-11 CN CN201721153954.1U patent/CN207176700U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487793A (en) * | 2017-09-11 | 2019-03-19 | 广东省航运规划设计院有限公司 | Inner support of pile foundation pit permanent support structure is perfused in a kind of solid matter under complex environment |
| CN110306558A (en) * | 2019-06-06 | 2019-10-08 | 中铁第四勘察设计院集团有限公司 | Foundation pit supporting method |
| CN110306560A (en) * | 2019-06-28 | 2019-10-08 | 中铁第四勘察设计院集团有限公司 | Supporting construction and foundation ditch construction method |
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| 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: 20180403 |