CN109653265A - A kind of pile-raft foundation building joint method for correcting error - Google Patents
A kind of pile-raft foundation building joint method for correcting error Download PDFInfo
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- CN109653265A CN109653265A CN201811588274.1A CN201811588274A CN109653265A CN 109653265 A CN109653265 A CN 109653265A CN 201811588274 A CN201811588274 A CN 201811588274A CN 109653265 A CN109653265 A CN 109653265A
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- stake
- class
- pile
- smaller side
- sedimentation
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D35/00—Straightening, lifting, or lowering of foundation structures or of constructions erected on foundations
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a kind of pile-raft foundation buildings to combine method for correcting error comprising: S1, the sedimentation larger side construction C class stake piling in sole plate, and carry out prestressing force envelope stake；S2, the sedimentation smaller side construction A class stake piling in sole plate, and reduce the bearing capacity of the former engineering pile of sedimentation smaller side；S3, smaller side crossed construction B class stake piling is being settled, and is increasing the deformation of sedimentation smaller side；S4, envelope stake is carried out to the stake of A class and the stake of B class.Not only rectifying effect is good by the present invention, correction rate is high but also the safety of Deviation Correction Construction is good.
Description
Technical field
The present invention relates to construction engineering technical fields more particularly to a kind of pile-raft foundation building to combine method for correcting error.
Background technique
Engineering is caused due to prospecting, design, construction or environment etc. using the high-rise of pile foundation
Pile deviation or damage, bored concrete pile sediment is blocked up, engineering pile Lack of support, building Superstructure Construction or use process
Middle generation differential settlement, causes to tilt.
Since skyscraper is from great, it is highly much larger than width, horizontal distortion control requires high, and progress is actively rectified a deviation difficulty
Risks are high.The passive rectifying methods such as conventional water jetting, subsoil extraction, preloading forced landing are adapted to tier building more, for using stake
The skyscraper of base, such method performance difficulty, jetting and soil digging depth are limited, and are difficult to control building settlement deformation.Therefore
It generally rectifies a deviation without high-rise, only carries out strengthening of foundation.
Summary of the invention
The technical issues of in the presence of the present invention mainly solution prior art, to provide, a kind of rectifying effect is good, pacifies
The pile-raft foundation building of Quan Xinggao combines method for correcting error.
Above-mentioned technical problem of the invention is mainly to be addressed by following technical proposals:
Pile-raft foundation building provided by the invention combines method for correcting error comprising:
S1, the sedimentation larger side construction C class stake piling in sole plate, and carry out prestressing force envelope stake；
S2, the sedimentation smaller side construction A class stake piling in sole plate, and reduce holding for the former engineering pile for settling smaller side
Carry power；
S3, smaller side crossed construction B class stake piling is being settled, and is increasing the deformation of sedimentation smaller side；
S4, envelope stake is carried out to the stake of A class and the stake of B class.
Further, in the step S2, the bearing capacity for reducing the former engineering pile of sedimentation smaller side includes: in A class stake
Exhaust pipe and Grouting Pipe are installed, high pressure water injection forms injecting cement paste.
Further, in the step S2, the bearing capacity for reducing the former engineering pile of sedimentation smaller side includes: in A class stake
Soil digging is carried out, the soil pressure against piles of former engineering pile are discharged.
Further, in the step S3, the deformation for increasing sedimentation smaller side includes: by counter-force force transmission element and the stake of B class
Top is connected, and horizontally installs reversed beam on the counter-force force transmission element, the reversed beam two sides install jack, described thousand
The very useful sole plate in sedimentation smaller side of jin presses.
Further, before the step S4 further include: S40, the compressible material of A class stake top setting in sedimentation smaller side
Material.
The beneficial effects of the present invention are: prestressing force envelope first is carried out in sedimentation larger side construction C class stake, can control building
Settle the deformation of larger side, it is ensured that building safety.Then, in the construction A class stake of sedimentation smaller side and B class stake, and former engineering is reduced
The bearing capacity of stake increases the deformation of sedimentation smaller side, and then reduces the relative settlement of building, to reach correction purpose, no
Only rectifying effect is good, correction rate is high and the safety of Deviation Correction Construction is good.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the method flow diagram of pile-raft foundation building joint method for correcting error of the invention；
Fig. 2 is the location map of A class of the invention, B class and C class stake holes；
Fig. 3 is cross-sectional view of the Fig. 2 along I-I；
Fig. 4 is cross-sectional view of the Fig. 2 along II-II.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Refering to fig. 1 shown in -4, pile-raft foundation building of the invention combines method for correcting error comprising:
S1, the construction C class stake piling of sedimentation larger side 11 in sole plate 1, and carry out prestressing force envelope stake；
S2, the construction A class stake piling of sedimentation smaller side 12 in sole plate 1, and reduce the former engineering pile 2 of sedimentation smaller side
Bearing capacity；
S3, smaller side crossed construction B class stake piling is being settled, and is increasing the deformation of sedimentation smaller side；
S4, envelope stake is carried out to the stake of A class and the stake of B class.In the present invention, the envelope of envelope the stake measure and the stake of C class of the stake of A class and B class stake
Stake measure is identical.
In the present invention, first according to the building superstructure of sole plate 1, sedimentation and deformation status and former engineering pile,
Arrange A, B, C three classes stake stake position, then, aperture construction A, B, C three classes stake piling on sole plate 1.
In one embodiment of the invention, the bearing capacity for reducing the former engineering pile 2 of sedimentation smaller side 12 includes: in A class
Exhaust pipe 3 and Grouting Pipe 4 are installed, high pressure water injection forms injecting cement paste 5 in stake.The excess pore water in deep soil can be increased in this way
Pressure disturbs the bearing course at pile end and Pile side soil body of former engineering pile 2.
In another embodiment of the present invention, the bearing capacity for reducing the former engineering pile 2 of sedimentation smaller side 12 includes: in A
Soil digging is carried out in class stake, discharges the soil pressure against piles of former engineering pile 2.Holding for the side original engineering pile 2 can be reduced in a short time in this way
Power is carried, the relatively rapid sedimentation in the side is made.
Preferably, the deformation for increasing sedimentation smaller side 12 includes: by the top of counter-force force transmission element 6 and the stake of B class in step S3
Be connected, reversed beam 7 be horizontally installed on counter-force force transmission element 6, reversed beam 7 two sides install jack 8, jack 8 for pair
The sole plate 1 of sedimentation smaller side 12 presses.In the present invention, by loading jack 8, by the withdrawal resistance pair of B class stake
Sole plate 1 presses, and sedimentation smaller side 11 is forced to generate sedimentation and deformation.In the present invention, the sequence of construction of step S2 and S3 can roots
It is adjusted according to building status and geological conditions.
Preferably, before step S4 further include: S40, the A class stake top setting compressible material 9 in sedimentation smaller side 12.
Building settlement smaller side 12 can be made to continue to generate certain settling amount under upper load effect in this way, further increase correction
Efficiency.
The present invention first in the construction C class stake of sedimentation larger side and carries out prestressing force envelope stake, controls the change of building settlement larger side
Shape, it is ensured that building safety.Then, in the construction A class stake of sedimentation smaller side and B class stake, and the bearing capacity of former engineering pile is reduced, increased
The deformation of smaller side is settled, and then reduces the relative settlement of building, to reach correction purpose, not only rectifying effect is good, entangles
The safety of inclined rate height and Deviation Correction Construction is good.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should be covered by the protection scope of the present invention.Therefore, protection of the invention
Range should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of pile-raft foundation building combines method for correcting error characterized by comprising
S1, the sedimentation larger side construction C class stake piling in sole plate, and carry out prestressing force envelope stake；
S2, the sedimentation smaller side construction A class stake piling in sole plate, and reduce the carrying of the former engineering pile of sedimentation smaller side
Power；
S3, smaller side crossed construction B class stake piling is being settled, and is increasing the deformation of sedimentation smaller side；
S4, envelope stake is carried out to the stake of A class and the stake of B class.
2. pile-raft foundation building as described in claim 1 combines method for correcting error, which is characterized in that in the step S2, drop
The bearing capacity of the former engineering pile of droning drop smaller side includes: that exhaust pipe and Grouting Pipe are installed in A class stake, and high pressure water injection forms note
Slurry.
3. pile-raft foundation building as described in claim 1 combines method for correcting error, which is characterized in that in the step S2, drop
The bearing capacity of the former engineering pile of droning drop smaller side includes: that soil digging is carried out in A class stake, discharges the Pile side soil pressure of former engineering pile
Power.
4. pile-raft foundation building as claimed in claim 3 combines method for correcting error, which is characterized in that in the step S3, increase
The deformation of big sedimentation smaller side includes: that will be connected at the top of counter-force force transmission element and B class stake, horizontal on the counter-force force transmission element
Ground install reversed beam, the reversed beam two sides install jack, the jack be used for sedimentation smaller side sole plate into
Row pressure.
5. pile-raft foundation building as described in claim 1 combines method for correcting error, which is characterized in that before the step S4 also
It include: S40, the A class stake top setting compressible material in sedimentation smaller side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588274.1A CN109653265A (en) | 2018-12-25 | 2018-12-25 | A kind of pile-raft foundation building joint method for correcting error |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588274.1A CN109653265A (en) | 2018-12-25 | 2018-12-25 | A kind of pile-raft foundation building joint method for correcting error |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109653265A true CN109653265A (en) | 2019-04-19 |
Family
ID=66116570
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811588274.1A Pending CN109653265A (en) | 2018-12-25 | 2018-12-25 | A kind of pile-raft foundation building joint method for correcting error |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144983A (en) * | 2019-05-17 | 2019-08-20 | 中国建筑西南勘察设计研究院有限公司 | It is a kind of to control heavy type skyscraper forced-landing tilt correcting method |
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| GB2519542A (en) * | 2013-10-23 | 2015-04-29 | Geoinnovations Ltd | A jacking device |
| CN104652842A (en) * | 2015-02-15 | 2015-05-27 | 上海天演建筑物移位工程股份有限公司 | Building integral deviation correcting and raising lifting method and equipment thereof |
| CN107246037A (en) * | 2017-08-09 | 2017-10-13 | 上海岩土工程勘察设计研究院有限公司 | A kind of rectifying of leaned building structure and method for stake end sandy soil supporting course |
| CN207121940U (en) * | 2017-08-09 | 2018-03-20 | 上海岩土工程勘察设计研究院有限公司 | A kind of rectifying of leaned building structure for stake end sandy soil supporting course |
-
2018
- 2018-12-25 CN CN201811588274.1A patent/CN109653265A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2519542A (en) * | 2013-10-23 | 2015-04-29 | Geoinnovations Ltd | A jacking device |
| CN104652842A (en) * | 2015-02-15 | 2015-05-27 | 上海天演建筑物移位工程股份有限公司 | Building integral deviation correcting and raising lifting method and equipment thereof |
| CN107246037A (en) * | 2017-08-09 | 2017-10-13 | 上海岩土工程勘察设计研究院有限公司 | A kind of rectifying of leaned building structure and method for stake end sandy soil supporting course |
| CN207121940U (en) * | 2017-08-09 | 2018-03-20 | 上海岩土工程勘察设计研究院有限公司 | A kind of rectifying of leaned building structure for stake end sandy soil supporting course |
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| 张继红等: "水上高承台桩基加固纠倾实例分析", 《岩土力学》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144983A (en) * | 2019-05-17 | 2019-08-20 | 中国建筑西南勘察设计研究院有限公司 | It is a kind of to control heavy type skyscraper forced-landing tilt correcting method |
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Application publication date: 20190419 |