CN106149774A - A kind of rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology - Google Patents
A kind of rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology Download PDFInfo
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- CN106149774A CN106149774A CN201610567105.4A CN201610567105A CN106149774A CN 106149774 A CN106149774 A CN 106149774A CN 201610567105 A CN201610567105 A CN 201610567105A CN 106149774 A CN106149774 A CN 106149774A
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- anchor jacked
- jacked pile
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- envelope
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- 238000005516 engineering process Methods 0.000 title claims abstract description 12
- 230000002787 reinforcement Effects 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000013461 design Methods 0.000 claims abstract description 6
- 238000003491 array Methods 0.000 claims abstract description 4
- 238000007569 slipcasting Methods 0.000 claims abstract description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 238000012937 correction Methods 0.000 description 6
- 102100039856 Histone H1.1 Human genes 0.000 description 4
- 101001035402 Homo sapiens Histone H1.1 Proteins 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- 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)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Foundations (AREA)
Abstract
The present invention relates to a kind of rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology, belong to construction engineering technical field.A kind of rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology, including: in existing building differential settlement region, offer some piling holes arranged in arrays；Anchor jacked pile is pressed into piling hole to designed elevation, and uses prestressing force to seal stake in advance it；After envelope pile concrete intensity reaches design load, precession threaded rod the most successively, make existing building return and incline；After existing building returns and inclines and put in place and be relatively stable, set some Grouting Pipe in the lifting region of existing building and carry out slip casting.Envelope pilework is united two into one by the present invention with counterforce device, reduces working procedure, uses first envelope stake to rectify a deviation again and can play the effect of pre-reinforcement, effectively prevents from aggravation.
Description
Technical field
The present invention relates to construction engineering technical field, particularly to a kind of building based on anchor jacked pile envelope stake technology
Correcting and then reinforcing method.
Background technology
Build building in weak soil or other unfavorable geologies area owing to reconnoitring, designing, constructing or the aspect such as environment
Reason is susceptible to bigger differential settlement, thus can cause building inclination, bends or ftracture.It addition, modern age and ancient times
Build owing to building materials are aging or surrounding enviroment change, also can produce inclination in various degree.Then should to tilting excessive building
Take satisfactory after correcting, to eliminate the adverse effect that fabric structure or ground are produced, it is to avoid structure or ground occur broken
Bad, reach to recover the purpose that building normally uses.
Method for correcting error mainly has two big classes: a class is forced falling rectifying deviation method, and Main Means is to increase and settles the heavy of less side
Fall amount, such as subsoil extraction, precipitation method etc.；Another kind of is lifting rectifying method, and Main Means is the settling amount reducing and settling bigger side,
Such as top structural j oist lifting method, anchor jacked pile lifting method.
Wherein anchor jacked pile lifting method is to utilize jack and counterforce device lifting building, reaches the purpose of correction,
The method can meet correction and the demand of reinforcing simultaneously, that it is implemented it is crucial that lifting counterforce device reasonable in design, should ensure
It is reliably connected with original structure, the most easy to operate, improve correction efficiency and effect.The most common counterforce device is to utilize anchor pole
Arranging reaction beam, the every pile of this structure is both needed to arrange jack, relatively costly, and due to the conventional prestressing force envelope stake method used,
Envelope stake must be carried out by root after correction completes, and the duration is longer, and loss of prestress easily occurs, returns and inclines, do not reach after causing correction
Effective rectifying effect.
Summary of the invention
Present invention aims to the problems referred to above, it is provided that a kind of building based on anchor jacked pile envelope stake technology
Correcting and then reinforcing method, the method by first carrying out prestressing force envelope stake to anchor jacked pile so that it is can also serve as correction counterforce device.
The object of the present invention is achieved like this:
A kind of rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology, it is characterised in that the method includes:
Some piling holes arranged in arrays are offered in the differential settlement region of existing building；
Anchor jacked pile is pressed into piling hole to designed elevation, and uses prestressing force to seal stake in advance it；Described anchor
Rod static pressure pile includes anchor jacked pile body, and the welded top at anchor jacked pile body has rocker bearing, the top of rocker bearing
Portion is placed with dividing plate and is connected with the threaded rod through dividing plate, is cased with screw thread sleeve pipe outside threaded rod, and screw thread sleeve pipe is mixed by envelope stake
Solidifying soil pours and completes to seal in advance stake in piling hole；
After envelope pile concrete intensity reaches design load, precession threaded rod the most successively, make existing building return and incline；
After existing building returns and inclines and put in place and be relatively stable, set some Grouting Pipe in the lifting region of existing building
Carry out slip casting.
Wherein, the single precession length of described every threaded rod adjusts according to Monitoring Data in good time, every threaded rod total
Precession length is calculated as follows:
Hm-n=H1-1+Ln × (β-4)/1000+Bm × (α-4)/1000
Wherein, H represents the precession length of threaded rod, and m represents north-south m root anchor jacked pile, and n represents East and West direction n-th
Root anchor jacked pile, Ln represents the horizontal range between n-th anchor jacked pile of East and West direction and the 1st anchor jacked pile, Bm table
Showing the vertical dimension between north-south m root anchor jacked pile and the 1st anchor jacked pile, α represents that existing building is along north and south
To initial tilt rate, β represents that existing building is along transmeridional initial tilt rate；H1-1 desirable 0 or according to this anchor rod static pressure
Stake carries out value with the relative position of existing building angle point.
Wherein, the spacing between described some Grouting Pipe determines according to differential settlement.
The invention have the benefit that envelope pilework is united two into one with counterforce device by this method, reduce working procedure, adopt
Rectify a deviation again can play the effect of pre-reinforcement with first sealing stake, effectively prevent from aggravation.
Accompanying drawing explanation
Fig. 1 is the floor map of the present invention.
Fig. 2 is that the I-I of Fig. 1 is to profile.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is expanded on further.
As depicted in figs. 1 and 2, a kind of rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology, including such as
Lower step:
(1) in the differential settlement region of existing building 2, some piling holes 1 arranged in arrays are offered.
(2) anchor jacked pile 4 is pressed into piling hole 1 to designed elevation, and uses prestressing force to seal stake in advance it.
As it is shown on figure 3, anchor jacked pile 4 includes anchor jacked pile body 41, weld at the top of anchor jacked pile body 41
Being connected to rocker bearing 42, the top of rocker bearing 42 is placed with dividing plate 43 and is connected with the threaded rod 44 through dividing plate 43, screw thread
Being cased with screw thread sleeve pipe 45 outside bar 44, screw thread sleeve pipe 45 is poured by envelope pile concrete 46 and completes to seal in advance stake in piling hole 1.
It is as follows that the prestressing force of anchor jacked pile 4 seals an implementation process in advance: first by threaded rod 44 through dividing plate 43 and arc
Shape bearing 42 is connected, and dividing plate 43 is then positioned over the top of rocker bearing 42, screw thread sleeve pipe 45 rotary sleeve outside threaded rod 44, and
Rocker bearing 42 is welded in the top of anchor jacked pile body 41.Then Pile feeder is used to be pressed into by anchor jacked pile body 41
Until designed elevation in piling hole 1, it is ensured that dividing plate 43 is positioned at the bottom of former sole plate 5.Then envelope pile concrete 46 is used to enter
Row envelope is built, and is poured in piling hole 1 by screw thread sleeve pipe 45.
(3) after envelope pile concrete 46 intensity reaches design load, precession threaded rod 44 the most successively, make existing building 2
Return and incline.
Wherein, the single precession length of every threaded rod 44 adjusts according to Monitoring Data in good time, every threaded rod 44 total
Precession length is calculated as follows:
Hm-n=H1-1+Ln × (β-4)/1000+Bm × (α-4)/1000
Wherein, H represents the precession length of threaded rod, and m represents north-south m root anchor jacked pile, and n represents East and West direction n-th
Root anchor jacked pile, Ln represents the horizontal range between n-th anchor jacked pile of East and West direction and the 1st anchor jacked pile, Bm table
Showing the vertical dimension between north-south m root anchor jacked pile and the 1st anchor jacked pile, α represents that existing building is along north and south
To initial tilt rate, β represents that existing building is along transmeridional initial tilt rate；H1-1 desirable 0 or according to this anchor rod static pressure
Stake carries out value with the relative position of existing building angle point.
(4) after existing building inclines for 2 times and puts in place and be relatively stable, set some in the lifting region of existing building 2
Grouting Pipe 3 carries out slip casting.
Wherein, the spacing between some Grouting Pipe 3 determines with specific reference to differential settlement.
Referring to the drawings design and the embodiment of the object of the invention is elaborated with above-described embodiment, but ability
Territory those of ordinary skill will be consequently realised that, under the precondition limiting scope without departing from claim, and still can be to this
Invention makes various modifications and variations, such as: the precession order etc. of each threaded rod, therefore repeats the most one by one at this.
Claims (3)
1. a rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology, it is characterised in that the method includes:
Some piling holes arranged in arrays are offered in the differential settlement region of existing building；
Anchor jacked pile is pressed into piling hole to designed elevation, and uses prestressing force to seal stake in advance it；Described anchor pole is quiet
Piling includes anchor jacked pile body, and the welded top at anchor jacked pile body has rocker bearing, and the top of rocker bearing is put
Being equipped with dividing plate and be connected with the threaded rod through dividing plate, being cased with screw thread sleeve pipe outside threaded rod, screw thread sleeve pipe is by envelope pile concrete
Pour in piling hole, complete to seal in advance stake；
After envelope pile concrete intensity reaches design load, precession threaded rod the most successively, make existing building return and incline；
After existing building returns and inclines and put in place and be relatively stable, set some Grouting Pipe in the lifting region of existing building and carry out
Slip casting.
A kind of rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology the most according to claim 1, it is special
Levying and be, the single precession length of described every threaded rod adjusts according to Monitoring Data in good time, and total precession of every threaded rod is long
Degree is calculated as follows:
Hm-n=H1-1+Ln×(β-4)/1000+Bm×(α-4)/1000
Wherein, H represents the precession length of threaded rod, and m represents north-south m root anchor jacked pile, and n represents n-th anchor of East and West direction
Rod static pressure pile, LnRepresent the horizontal range between n-th anchor jacked pile of East and West direction and the 1st anchor jacked pile, BmRepresent north and south
Vertical dimension between m root anchor jacked pile and the 1st anchor jacked pile, α represents that existing building is along at the beginning of north-south
Beginning slope, β represents that existing building is along transmeridional initial tilt rate；H1-1Desirable 0 or according to this anchor jacked pile with existing
The relative position of building angle point carries out value.
A kind of rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology the most according to claim 1, it is special
Levying and be, the spacing between described some Grouting Pipe determines according to differential settlement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610567105.4A CN106149774B (en) | 2016-07-19 | 2016-07-19 | A kind of rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610567105.4A CN106149774B (en) | 2016-07-19 | 2016-07-19 | A kind of rectifying of leaned building reinforcement means based on anchor jacked pile envelope stake technology |
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| CN106149774A true CN106149774A (en) | 2016-11-23 |
| CN106149774B CN106149774B (en) | 2018-01-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130652A (en) * | 2017-05-26 | 2017-09-05 | 上海岩土工程勘察设计研究院有限公司 | The strengthening of foundation method passively rectified a deviation for building |
| CN111519673A (en) * | 2020-05-15 | 2020-08-11 | 南通大学 | Construction method for correcting ultrahigh large floating roof type oil tank |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457312B (en) * | 2018-03-28 | 2019-10-18 | 浙江泛华工程咨询有限公司 | A kind of strengthening of foundation method of building |
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| JP2007031934A (en) * | 2005-07-22 | 2007-02-08 | Sekisui House Ltd | Inclination correcting construction method of house |
| JP2007182741A (en) * | 2006-01-04 | 2007-07-19 | Mitsuru Honda | Differentially settled foundation correcting and reinforcing method by underpinning |
| CN101397796A (en) * | 2008-09-12 | 2009-04-01 | 葛培中 | Construction method of prestressed anchor rod static pressure pile |
| CN102660969A (en) * | 2012-05-27 | 2012-09-12 | 上海岩土工程勘察设计研究院有限公司 | Deviation rectifying method for building |
| 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 |
| CN204590107U (en) * | 2015-04-17 | 2015-08-26 | 上海岩土工程勘察设计研究院有限公司 | Building bidirectional deviation correction ruggedized construction |
| CN204780907U (en) * | 2015-07-06 | 2015-11-18 | 广东省建筑科学研究院集团股份有限公司 | Stake device is sealed in stake of prestressed anchorage pole static pressure among civil engineering |
-
2016
- 2016-07-19 CN CN201610567105.4A patent/CN106149774B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007031934A (en) * | 2005-07-22 | 2007-02-08 | Sekisui House Ltd | Inclination correcting construction method of house |
| JP2007182741A (en) * | 2006-01-04 | 2007-07-19 | Mitsuru Honda | Differentially settled foundation correcting and reinforcing method by underpinning |
| CN101397796A (en) * | 2008-09-12 | 2009-04-01 | 葛培中 | Construction method of prestressed anchor rod static pressure pile |
| CN102660969A (en) * | 2012-05-27 | 2012-09-12 | 上海岩土工程勘察设计研究院有限公司 | Deviation rectifying method for building |
| 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 |
| CN204590107U (en) * | 2015-04-17 | 2015-08-26 | 上海岩土工程勘察设计研究院有限公司 | Building bidirectional deviation correction ruggedized construction |
| CN204780907U (en) * | 2015-07-06 | 2015-11-18 | 广东省建筑科学研究院集团股份有限公司 | Stake device is sealed in stake of prestressed anchorage pole static pressure among civil engineering |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107130652A (en) * | 2017-05-26 | 2017-09-05 | 上海岩土工程勘察设计研究院有限公司 | The strengthening of foundation method passively rectified a deviation for building |
| CN111519673A (en) * | 2020-05-15 | 2020-08-11 | 南通大学 | Construction method for correcting ultrahigh large floating roof type oil tank |
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| Publication number | Publication date |
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| CN106149774B (en) | 2018-01-30 |
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Address after: 202150 Xiushan Road 258, Chongming Industrial Park, Chongming County, Shanghai Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Country or region after: China Address before: 202150 Xiushan Road 258, Chongming Industrial Park, Chongming County, Shanghai Patentee before: SHANGHAI GEOTECHNICAL INVESTIGATIONS & DESIGN INSTITUTE Co.,Ltd. Country or region before: China |
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