CN101429819A - Wall and column underpinning method - Google Patents
Wall and column underpinning method Download PDFInfo
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- CN101429819A CN101429819A CNA2007100479196A CN200710047919A CN101429819A CN 101429819 A CN101429819 A CN 101429819A CN A2007100479196 A CNA2007100479196 A CN A2007100479196A CN 200710047919 A CN200710047919 A CN 200710047919A CN 101429819 A CN101429819 A CN 101429819A
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Abstract
The invention relates to a method for underpinning a wall body and a pillar, wherein the method for underpinning the wall body comprises the following steps: firstly, an underpinning foundation is constructed; then a wall clamping beam is used to firmly clamp the wall body from both sides of the wall body, a shifting device is arranged under the wall clamping beam; and finally the wall body is cut to ensure that the force from a building is transferred to the wall clamping beam through the wall body, then the wall clamping beam transfers the force to the underpinning foundation through the shifting device, and a positive stress friction force is also applied between the wall clamping beam and the wall body. The method for underpinning the pillar comprises the following steps: firstly, the underpinning foundation is constructed; then a pillar surrounding beam is used to firmly clamp the pillar, a shifting device is arranged under the pillar surrounding beam; and finally the pillar is cut to ensure that the force from the building is transferred to the pillar surrounding beam through the pillar, then the pillar surrounding beam transfers the force to the underpinning foundation through the shifting device, and the positive stress friction force is also applied between the wall clamping beam and the pillar. The method for underpinning the wall body and the pillar has the advantage of adapting to wall bodies and pillars with heavy underpinning loads.
Description
Technical field
The present invention relates to whole building displacement technology, relate in particular to body of wall and column underpinning method in the whole building displacement.
Background technology
Need before the whole building displacement the whole top on structure top or basis is underpined to the basis of translation, jacking, utilize hydraulic test translation, jacking then to assigned address.It is the core and the key of displacement technology that building underpins.Building mainly contains following three kinds and underpins according to its load mode: body of wall underpins, column bracket changes and the above integral body in basis underpins.
Body of wall support and change method commonly used both at home and abroad at present: steel bar concrete and body of wall sandwich wall underpin, the mode that steel concrete sandwich wall beam is built in the body of wall both sides underpins exactly, as depicted in figs. 1 and 2, the cutter hair is connected between steel concrete sandwich wall beam 2 and body of wall 1, steel concrete sandwich wall beam 2 downsides are placed shift unit 3, at last original body of wall 1 is blocked, the power of building just passes to steel concrete sandwich wall beam 2 by body of wall 1 like this, and steel concrete sandwich wall beam 2 is passed on the underpinning 6 by shift unit 3 again.Friction by between the two between steel concrete sandwich wall beam 2 and the body of wall 1 comes transmission power.The shortcoming of this body of wall support and change method be can not the heavier body of wall of load underpin, difficulty of construction is big, efficient is low, and is long in time limit, builds steel concrete sandwich wall beam and can only once use, and underpins the cost height at every turn.
Column underpinning method commonly used both at home and abroad at present: steel concrete thick pillar corbel changes.As shown in Figure 3 and Figure 4, build concrete thick pillar beam 5 exactly around post 4, mao be connected with interfacial agents by cutter between post 4 and the thick pillar beam 5, when coupled columns 4 cut-outs underpined, the power of post 4 was passed on the underpinning 6 by thick pillar beam 5, shift unit 3.To the process of thick pillar beam, post and thick pillar beam transmit power by friction between the two in the post Load Transfer.
The shortcoming of this support and change method is underpining of the heavier post of inapplicable load, because post is when heavier, and under the certain situation of the friction factor of post and thick pillar beam, the height that the thick pillar beam will be very.
Summary of the invention
First technical problem to be solved by this invention provides a kind of body of wall support and change method that is fit to underpin the heavier body of wall of load, to overcome the deficiency that prior art exists.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of body of wall support and change method, the steps include: to build earlier underpinning, from the body of wall both sides body of wall is clamped in placement shift unit under the sandwich wall beam again with the sandwich wall beam, at last body of wall is blocked, make the power of building pass to the sandwich wall beam by body of wall, the sandwich wall beam is passed on the underpinning by shift unit again, it is characterized in that: also apply normal stress frictional force between sandwich wall beam and body of wall.
Adopt such technical scheme, the frictional force between the body of wall power of underpining=sandwich wall beam and the body of wall+normal stress frictional force.Therefore, body of wall support and change method of the present invention can be fit to underpin the heavier body of wall of load.
Second technical problem to be solved by this invention provides a kind of column underpinning method that is fit to underpin the heavier post of load, to overcome the deficiency that prior art exists.
In order to solve this technical problem the following technical scheme that the present invention adopts.
A kind of column underpinning method, its step is, build underpinning earlier, placing shift unit with thick pillar beam clamping column and under the thick pillar beam, last coupled columns blocks, make the power of building pass to the thick pillar beam by post, the thick pillar beam passes on the underpinning by shift unit again, it is characterized in that: also apply normal stress frictional force between the thick pillar beam and column.
Adopt such technical scheme, the frictional force between the column bracket power of changing=thick pillar beam and the post+normal stress frictional force.Therefore, body of wall support and change method of the present invention can be fit to underpin the heavier body of wall of load.
Description of drawings
The present invention is described in detail below in conjunction with the drawings and specific embodiments:
Fig. 1 underpins preceding schematic diagram for body of wall support and change method body of wall in the prior art;
Fig. 2 is the schematic diagram after body of wall support and change method body of wall underpins in the prior art;
Fig. 3 is the layout schematic diagram of column bracket words method in the prior art;
Fig. 4 is that the facade of column underpinning method in the prior art is arranged schematic diagram;
Fig. 5 underpins preceding schematic diagram for body of wall support and change method body of wall among the present invention;
Fig. 6 is the schematic diagram after body of wall support and change method body of wall underpins among the present invention;
Fig. 7 is the layout schematic diagram figure of the embodiment 1 of column underpinning method among the present invention;
Fig. 8 arranges schematic diagram figure for the facade of the embodiment 1 of column underpinning method among the present invention;
Fig. 9 is the layout schematic diagram figure of the embodiment 2 of column underpinning method among the present invention;
Figure 10 arranges schematic diagram figure for the facade of the embodiment 2 of column underpinning method among the present invention;
The specific embodiment
The invention provides a kind of body of wall support and change method and a kind of column underpinning method.
Wherein the step of body of wall support and change method is: build underpinning earlier, from the body of wall both sides body of wall is clamped in placement shift unit under the sandwich wall beam again with the sandwich wall beam, at last body of wall is blocked, make the power of building pass to the sandwich wall beam by body of wall, the sandwich wall beam is passed on the underpinning by shift unit again, wherein, between sandwich wall beam and body of wall, also apply normal stress frictional force.
Particularly, as shown in Figure 5 and Figure 6, mode in body of wall 1 both sides with steel work sandwich wall beam 21 sandwich walls underpins, the cutter hair is connected between steel work sandwich wall beam 21 and body of wall 1, mortar tamps between body of wall 1 and steel work sandwich wall beam 21 simultaneously, in body of wall and steel work sandwich wall beam, be installed with presstressed reinforcing steel 7, allow both sides 21 pairs of bodies of wall 1 of steel work sandwich wall beam apply normal stress with presstressed reinforcing steel 7 stretch-draw; 21 times placement shift units 3 of steel work sandwich wall beam block original body of wall 1 at last, and the power of building just passes to steel work sandwich wall beam 21 by body of wall 1 like this, and steel work sandwich wall beam 21 is passed on the underpinning 6 by shift unit 3 again.Come transmission power by between the two frictional force and normal stress frictional force between steel work sandwich wall beam 21 and the body of wall 1.
Use this body of wall support and change method, because the frictional force+normal stress frictional force between the body of wall power of underpining=sandwich wall beam and the body of wall.Therefore, body of wall support and change method of the present invention can be fit to underpin the heavier body of wall of load.In addition, also have following advantage:
1), easy construction, quick;
2), the overall construction period is shorter;
3), steel work can repeat turnover and use, to underpin cost lower at every turn.
The step of column underpinning method is: build underpinning earlier, placing shift unit with thick pillar beam clamping column and under the thick pillar beam, last coupled columns blocks, make the power of building pass to the thick pillar beam by post, the thick pillar beam passes on the underpinning by shift unit again, it is characterized in that: also apply normal stress frictional force between the thick pillar beam and column.Particularly, illustrated by following two different embodiment:
As Fig. 7, shown in Figure 8, around post 4, build steel concrete thick pillar beam 5, be connected by interfacial agents (post surface also can cut a hole mao or not cut a hole mao) between post and the steel concrete thick pillar beam 5; Be installed with 7 pairs of steel concrete thick pillars of presstressed reinforcing steel beam 5 on the steel concrete thick pillar beam 5 simultaneously and apply normal stress.When coupled columns 1 cut-out underpined, the power of post 4 was passed on the underpinning 6 by steel concrete thick pillar beam 5, shift unit 3.To the process of steel concrete thick pillar beam 5, post 4 and steel concrete thick pillar beam 5 frictional force and the normal stress frictional force that applies of presstressed reinforcing steel 7 coupled columns by is between the two transmitted power in post 4 Load Transfer.
The advantage of the described method of present embodiment has: can wholely improve the power that column bracket changes, be particularly useful for underpining of heavier post; Under the certain situation of the power of underpining, can effectively reduce the height of thick pillar; For in work progress, the post surface that needs protection is not destroyed (adopting the concrete thick pillar generally all to want coupled columns surface cutter hair to destroy), and former state guard column outward appearance adopts the method comparatively feasible.
As Fig. 9 and shown in Figure 10, around the bottom of post 4, build steel concrete thick pillar beam 5, post 1 mao is connected with interfacial agents with building between the steel concrete thick pillar beam 5 by cutting a hole; Simultaneously, also thick pillar beam 5 is set on the top of post 4, in upside thick pillar beam 5 both sides jack relief arrangement 8 is set then.Jack relief arrangement 8 is made of off-load jack 81 and off-load post 82.
Coupled columns 1 cuts off when underpining again, and the power of post 1 is passed on the underpinning 6 by thick pillar beam 5, shift unit 3.To the process of thick pillar beam, post and thick pillar beam frictional force and the normal stress frictional force that applies of jack relief arrangement coupled columns by is between the two transmitted power in the post Load Transfer.
Same, present embodiment also has and can wholely improve the power that column bracket changes, and is particularly useful for underpining and under the certain situation of the power of underpining, can effectively reducing the advantage of the height of thick pillar of heavier post.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop on claim scope of the present invention to variation, the modification of the above embodiment.
Claims (9)
1, a kind of body of wall support and change method, the steps include: to build earlier underpinning, from the body of wall both sides body of wall is clamped in placement shift unit under the sandwich wall beam again with the sandwich wall beam, at last body of wall is blocked, make the power of building pass to the sandwich wall beam by body of wall, the sandwich wall beam is passed on the underpinning by shift unit again, it is characterized in that: also apply normal stress frictional force between sandwich wall beam and body of wall.
2, body of wall support and change method according to claim 1 is characterized in that: the described normal stress frictional force that applies is for to be installed with presstressed reinforcing steel and by tensioned prestressing bar both sides sandwich wall beam body of wall to be applied normal stress in body of wall and sandwich wall beam.
3, body of wall support and change method according to claim 1 is characterized in that: described sandwich wall beam is a steel work sandwich wall beam.
4, according to the described body of wall support and change method of the arbitrary claim of claim 1 to 3, it is characterized in that: between described sandwich wall beam and the body of wall cutter hair be connected and between body of wall and sandwich wall beam mortar tamp.
5, a kind of column underpinning method, its step is, build underpinning earlier, placing shift unit with thick pillar beam clamping column and under the thick pillar beam, last coupled columns blocks, make the power of building pass to the thick pillar beam by post, the thick pillar beam passes on the underpinning by shift unit again, it is characterized in that: also apply normal stress frictional force between the thick pillar beam and column.
6, column underpinning method according to claim 5 is characterized in that: the described normal stress frictional force that applies applies normal stress for presstressed reinforcing steel in the thick pillar beam to the thick pillar beam.
7, column underpinning method according to claim 5, it is characterized in that: the described normal stress frictional force that applies is for to be equipped with the thick pillar beam on the bottom and the top of post, and is provided with the jack relief arrangement in the thick pillar beam both sides on top and by the jack relief arrangement thick pillar beam applied normal stress.
8, column underpinning method according to claim 5 is characterized in that: described thick pillar beam is a steel concrete thick pillar beam.
9, according to the described column underpinning method of the arbitrary claim of claim 5 to 8, it is characterized in that: be connected with interfacial agents by the cutter hair between described post and the thick pillar beam.
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| CN2007100479196A CN101429819B (en) | 2007-11-07 | 2007-11-07 | Wall and column underpinning method |
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| CN2007100479196A CN101429819B (en) | 2007-11-07 | 2007-11-07 | Wall and column underpinning method |
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| CN101429819A true CN101429819A (en) | 2009-05-13 |
| CN101429819B CN101429819B (en) | 2011-05-18 |
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Cited By (18)
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| CN102587409A (en) * | 2011-01-07 | 2012-07-18 | 上海市第二建筑有限公司 | Foundation underpinning joint treatment method |
| CN103603507A (en) * | 2013-11-01 | 2014-02-26 | 河海大学 | Two-side or three-side wrapping type reinforced concrete column underpinning method |
| CN103912028A (en) * | 2013-01-04 | 2014-07-09 | 上海建工二建集团有限公司 | Construction protection ultra-deep foundation beam underpinning joint device and usage method thereof |
| CN103982053A (en) * | 2014-05-26 | 2014-08-13 | 山东建筑大学 | Modular assembly type steel underpinning device for concrete column underpinning and application thereof |
| CN103982054A (en) * | 2014-05-26 | 2014-08-13 | 山东建筑大学 | Assembly type steel underpinning device for concrete column underpinning and application thereof |
| CN104652606A (en) * | 2015-02-15 | 2015-05-27 | 上海天演建筑物移位工程股份有限公司 | Underpinning device for ultra-wide wall body and underpinning method thereof |
| CN105155868A (en) * | 2015-09-16 | 2015-12-16 | 项剑锋 | Method for pulling pillar through prestress using non-binding steel strands |
| CN105863292A (en) * | 2016-04-24 | 2016-08-17 | 江苏省华建建设股份有限公司 | Clamped beam device used for masonry structure wall backward-formed hole and installation method of clamped beam device |
| CN107989402A (en) * | 2018-01-15 | 2018-05-04 | 上海建工四建集团有限公司 | The rest method of cylinder when bracket assembly, building displacement |
| CN108005404A (en) * | 2018-01-15 | 2018-05-08 | 上海建工四建集团有限公司 | Cylinder underpinning device and construction method |
| CN110056204A (en) * | 2019-04-19 | 2019-07-26 | 同济大学建筑设计研究院(集团)有限公司 | A kind of out no-conhesion prestressing underpins node |
| CN110512889A (en) * | 2019-07-18 | 2019-11-29 | 上海建工一建集团有限公司 | Existing building adds the translation constructing structure and method for building basement |
| CN110630029A (en) * | 2019-09-17 | 2019-12-31 | 山东建筑大学 | Wall body opening underpinning device and using method |
| CN111075223A (en) * | 2019-12-19 | 2020-04-28 | 江苏鼎达建筑新技术有限公司 | Jacking construction method and jacking device for house reinforcement and deviation rectification |
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| CN114293804A (en) * | 2021-12-27 | 2022-04-08 | 上海建工二建集团有限公司 | Underpinning structure and method for masonry load-bearing wall opening |
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| CN2249786Y (en) * | 1995-05-24 | 1997-03-19 | 高继良 | Construction horizontally shifting arrangement |
| CN1129765A (en) * | 1995-07-27 | 1996-08-28 | 董显枢 | New technology of moving buildings horizontally |
| CN1132302A (en) * | 1995-09-29 | 1996-10-02 | 哈尔滨市道里区房屋土地开发公司 | Structure displacement method of building |
| CN1171477A (en) * | 1997-06-27 | 1998-01-28 | 董显枢 | Technique for moving building |
| CN2388268Y (en) * | 1999-04-05 | 2000-07-19 | 王爱国 | Special stiffening apparatus for building horizontal removing |
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| CN102587409A (en) * | 2011-01-07 | 2012-07-18 | 上海市第二建筑有限公司 | Foundation underpinning joint treatment method |
| CN103912028A (en) * | 2013-01-04 | 2014-07-09 | 上海建工二建集团有限公司 | Construction protection ultra-deep foundation beam underpinning joint device and usage method thereof |
| CN103912028B (en) * | 2013-01-04 | 2016-01-13 | 上海建工二建集团有限公司 | A kind of architecture protection ultra-deep grade beam underpins node apparatus and using method thereof |
| CN103603507A (en) * | 2013-11-01 | 2014-02-26 | 河海大学 | Two-side or three-side wrapping type reinforced concrete column underpinning method |
| CN103603507B (en) * | 2013-11-01 | 2015-11-25 | 河海大学 | A kind of two sides or three packaging type steel concrete column underpinning methods |
| CN103982053B (en) * | 2014-05-26 | 2016-04-13 | 山东建筑大学 | Concrete column underpins with Modular assembled steel underpinning device and application thereof |
| CN103982053A (en) * | 2014-05-26 | 2014-08-13 | 山东建筑大学 | Modular assembly type steel underpinning device for concrete column underpinning and application thereof |
| CN103982054A (en) * | 2014-05-26 | 2014-08-13 | 山东建筑大学 | Assembly type steel underpinning device for concrete column underpinning and application thereof |
| CN103982054B (en) * | 2014-05-26 | 2016-04-13 | 山东建筑大学 | Concrete column underpins with assembled steel underpinning device and application thereof |
| CN104652606B (en) * | 2015-02-15 | 2017-03-08 | 上海天演建筑物移位工程股份有限公司 | The underpinning device of ultra-wide body of wall and its support and change method |
| CN104652606A (en) * | 2015-02-15 | 2015-05-27 | 上海天演建筑物移位工程股份有限公司 | Underpinning device for ultra-wide wall body and underpinning method thereof |
| CN105155868A (en) * | 2015-09-16 | 2015-12-16 | 项剑锋 | Method for pulling pillar through prestress using non-binding steel strands |
| CN105863292A (en) * | 2016-04-24 | 2016-08-17 | 江苏省华建建设股份有限公司 | Clamped beam device used for masonry structure wall backward-formed hole and installation method of clamped beam device |
| CN105863292B (en) * | 2016-04-24 | 2018-05-18 | 江苏省华建建设股份有限公司 | A kind of clamping boom device and its installation method for punching after Masonry Wall |
| CN107989402B (en) * | 2018-01-15 | 2023-05-05 | 上海建工四建集团有限公司 | Supporting device and supporting method for column body during building displacement |
| CN107989402A (en) * | 2018-01-15 | 2018-05-04 | 上海建工四建集团有限公司 | The rest method of cylinder when bracket assembly, building displacement |
| CN108005404A (en) * | 2018-01-15 | 2018-05-08 | 上海建工四建集团有限公司 | Cylinder underpinning device and construction method |
| CN110056204A (en) * | 2019-04-19 | 2019-07-26 | 同济大学建筑设计研究院(集团)有限公司 | A kind of out no-conhesion prestressing underpins node |
| CN110056204B (en) * | 2019-04-19 | 2024-03-19 | 同济大学建筑设计研究院(集团)有限公司 | External unbonded prestress underpinning node |
| CN110512889A (en) * | 2019-07-18 | 2019-11-29 | 上海建工一建集团有限公司 | Existing building adds the translation constructing structure and method for building basement |
| CN110630029A (en) * | 2019-09-17 | 2019-12-31 | 山东建筑大学 | Wall body opening underpinning device and using method |
| CN111075223A (en) * | 2019-12-19 | 2020-04-28 | 江苏鼎达建筑新技术有限公司 | Jacking construction method and jacking device for house reinforcement and deviation rectification |
| CN111980439A (en) * | 2020-07-21 | 2020-11-24 | 上海建工一建集团有限公司 | Wall bearing replacement device and wall bearing replacement construction method |
| CN114293804A (en) * | 2021-12-27 | 2022-04-08 | 上海建工二建集团有限公司 | Underpinning structure and method for masonry load-bearing wall opening |
| WO2023124058A1 (en) * | 2021-12-28 | 2023-07-06 | 上海建为历保科技股份有限公司 | Integral jacking apparatus for house |
| CN114319930A (en) * | 2021-12-30 | 2022-04-12 | 上海建工二建集团有限公司 | Enclosure structure below bearing wall and construction method thereof |
| CN114319930B (en) * | 2021-12-30 | 2023-09-05 | 上海建工二建集团有限公司 | Building envelope below bearing wall and construction method thereof |
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| CN101429819B (en) | 2011-05-18 |
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