CN102660970B - Elastic jacking and point-by-point differential declining device arranged between building and pile top and construction method - Google Patents
Elastic jacking and point-by-point differential declining device arranged between building and pile top and construction method Download PDFInfo
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- CN102660970B CN102660970B CN 201210180630 CN201210180630A CN102660970B CN 102660970 B CN102660970 B CN 102660970B CN 201210180630 CN201210180630 CN 201210180630 CN 201210180630 A CN201210180630 A CN 201210180630A CN 102660970 B CN102660970 B CN 102660970B
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Abstract
The invention provides an elastic jacking and point-by-point differential declining device arranged between a building and a pile top and a construction method. The device is arranged between a foundation pile group of a building and an upper structure of the building and is composed of spring boxes and a self-locking lifting jack, the spring boxes are fixedly placed at the top of the foundation pile group of the building, the self-locking lifting jack is fixedly placed at the top of the spring boxes, and the upper end of the self-locking lifting jack abuts against the upper structure of the building. According to the invention, with the arrangement of hundreds of elastic jacking devices between the foundation pile group of the building and the upper structure of the building and the dependence on the characteristics of self adjustment and combined effect of the hundreds of spring boxes, the load on a main structure of the building can be effectively and reasonably borne; and the differential decline of the hundreds of spring boxes cannot influence a big rigid body of the building by utilizing the characteristics of the big rigid body of the building.
Description
Technical field
The present invention relates to the building field construction technology, particularly a kind of elastic top rest device and job practices thereof that realizes that whole building descends.
Background technology
At present, in the architectural engineering construction technique field, can mainly comprise open caisson and caisson by the whole device that descends of autotelic realization building, and its most of field of traffic (as various big-and-middle-sized bridge foundations) that is used for, the field, tunnel is (as shield tunnel, the odd-job well in push pipe tunnel, permanent ventilating shaft etc.), the water conservancy projects field is (as the basis, harbour, the bank protection basis, underground dam etc.), the electric power facility field is (as the basis, power station, underground substation etc.), the municipal engineering field is (as underground sedimentation basin, sewage treatment tanks etc.), this device mainly adopts the means that casting limit, limit sinks.
With regard to open caisson or CAISSON WORK, it generally only is applicable to the bigger building of self integral rigidity.Build band basement building in the field for common room, because its form of structure is complicated various and self integral rigidity is less, if adopt traditional open caisson or the construction of caisson technology, then the whole building control difficulty of evenly sinking is bigger.
Summary of the invention
The purpose of this invention is to provide elasticity jacking and pointwise elementary errors lowering means and job practices between a kind of building and stake top, solve self less common room of integral rigidity and build the big technical problem of the whole sinking difficulty of field band basement building.
For achieving the above object, the present invention adopts following technical scheme: elasticity jacking and pointwise elementary errors lowering means between a kind of building and stake top, be arranged between a building foundation clump of piles and the building superstructure, it is characterized in that: formed by spring box and self-locking jack, described spring box fixed placement is at the top of a building foundation clump of piles, described self-locking jack fixed placement is at the top of spring box, and the upper end of self-locking jack withstands on again on the building superstructure.
Described spring box comprise spring box upper cover plate, spring box lower cover and be connected the spring box upper cover plate and the spring box lower cover between the elastic mechanism of one or more even layouts.
Described spring box upper cover plate is provided with downward spring box epipleural, and described spring box lower cover is provided with spring box lower side panel upwards, that match with the spring box epipleural.
Described elastic mechanism comprises the spring box axis of guide and the butterfly spring, the butterfly spring backing plate that are enclosed within on the spring box axis of guide, the upper end of the described spring box axis of guide is fixedly connected on the spring box upper cover plate, and the lower end of the spring box axis of guide is mobily connected in up and down on the spring box lower cover by pretension bolt.
Described spring box lower cover is provided with places the pothole that spring box axis of guide bottom is used.
A kind of job practices of using elasticity jacking between above-mentioned building and stake top and pointwise elementary errors lowering means, it is characterized in that step is as follows: step 1, self-locking jack and spring box are installed between a building foundation clump of piles and the building superstructure, this moment, the load of whole building superstructure was passed on the clump of piles of building foundation by self-locking jack and spring box, after load is stable, all self-locking jack of building superstructure below all are in initial self-locking stress, all spring boxs of building superstructure below all are subjected to load and produce elastic deformation, and all self-locking jack and the spring box of whole building superstructure below all are in the load-bearing stable state; Step 2, start one of them self-locking jack, make this self-locking jack convert piston jacking stress to by the self-locking stress, by the piston in this self-locking jack of oil pump elementary errors contraction decline, again pin this self-locking jack by self-locking device then, make it convert the self-locking stress again to, at this moment, the load of whole building superstructure reassigns on each building foundation clump of piles by the self-regulating function of all self-locking jack and spring box; Step 3, according to step 2, pointwise elementary errors is successively adjusted other self-locking jack of building superstructure below, thus the integral body that realizes the building superstructure descends.
Described spring box comprise spring box upper cover plate, spring box lower cover and be connected the spring box upper cover plate and the spring box lower cover between the elastic mechanism of one or more even layouts.
Described spring box upper cover plate is provided with downward spring box epipleural, and described spring box lower cover is provided with spring box lower side panel upwards, that match with the spring box epipleural.
Described elastic mechanism comprises the spring box axis of guide and the butterfly spring, the butterfly spring backing plate that are enclosed within on the spring box axis of guide, the upper end of the described spring box axis of guide is fixedly connected on the spring box upper cover plate, and the lower end of the spring box axis of guide is mobily connected in up and down on the spring box lower cover by pretension bolt.
Described spring box lower cover is provided with places the pothole that spring box axis of guide bottom is used.
Compared with prior art the present invention has following characteristics and beneficial effect: the present invention includes a kind of specific elastic top rest device that is arranged between a building foundation clump of piles and the constructure body structure, also comprise the method that a kind of integral body of utilizing this elastic top rest device to realize constructure body structure descends.
The present invention has expanded the technical field of construction that autotelic realization whole building descends, and can be used for common room and builds autotelic whole decline of field realization band basement building.
The present invention utilizes building self characteristics of big rigid body as a whole, adjusts by the pointwise elementary errors, namely utilizes the asynchronous pointwise elementary errors of several elastic top rest devices to descend, and then realizes the purpose that whole building descends stage by stage synchronously.
Hundreds of the elastic top rest devices of the present invention by between a building foundation clump of piles and constructure body structure, arranging, rely on self regulating and coefficient characteristics of hundreds of spring boxs, the load of effective and reasonable carrying constructure body structure, utilize the big rigid body characteristics of building, the elementary errors of hundreds of spring boxs descends and can not exert an influence to the big rigid body of building.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is that the present invention is installed in the schematic diagram between a building foundation clump of piles and the constructure body structure.
Fig. 2 is the main TV structure schematic diagram of spring box.
Fig. 3 is the schematic diagram of A-A section among Fig. 2.
Reference numeral: 1-self-locking jack, 2-building superstructure, 3-spring box, 3a-spring box upper cover plate, 3b-spring box lower cover, 3c-butterfly spring backing plate, 3d-butterfly spring, 3e-spring box epipleural, 3f-spring box lower side panel, the 3g-spring box axis of guide, 3h-pretension bolt, 3i-pothole, a 4-building foundation clump of piles.
The specific embodiment
Embodiment is referring to shown in Fig. 1-3, elasticity jacking and pointwise elementary errors lowering means between this building and stake top, be arranged between a building foundation clump of piles 4 and the building superstructure 2, formed by spring box 3 and self-locking jack 1, described spring box 3 fixed placement are at the top of a building foundation clump of piles 4, described self-locking jack 1 fixed placement is at the top of spring box 3, and the upper end of self-locking jack 1 withstands on again on the building superstructure 2.
Described spring box is for can carry the steel casing of compressive strain.In the present embodiment, spring box 3 comprise spring box upper cover plate 3a, spring box lower cover 3b and be connected the spring box upper cover plate and the spring box lower cover between elastic mechanism.Described spring box upper cover plate 3a is provided with downward spring box epipleural 3e, and described spring box lower cover 3b is provided with spring box lower side panel 3f upwards, that match with spring box epipleural 3e.
Elastic mechanism in the spring box can be one, also can be evenly arrange a plurality of, in the present embodiment, evenly is furnished with four elastic mechanisms.
In the present embodiment, each elastic mechanism includes spring box axis of guide 3g and the butterfly spring 3d, the butterfly spring backing plate 3c that are enclosed within on the spring box axis of guide 3g.The upper end of described spring box axis of guide 3g is fixedly connected on the spring box upper cover plate 3a, and the lower end of spring box axis of guide 3g is mobily connected in up and down on the spring box lower cover 3b by pretension bolt 3h.Described spring box lower cover 3b is provided with and places the pothole 3i that spring box axis of guide 3g bottom is used.In other embodiments, the upper end that spring box also can be designed to spring box axis of guide 3g is removable connection the up and down with lower end and the spring box lower cover of spring box upper cover plate, spring box axis of guide 3g, or the upper end of spring box axis of guide 3g is mobily connected in up and down on the spring box upper cover plate 3a, and the lower end of spring box axis of guide 3g is fixedly connected on the spring box lower cover 3b.
Use the job practices of elasticity jacking between described building and stake top and pointwise elementary errors lowering means, its step is as follows.
Step 1, self-locking jack 1 and spring box 3 are installed between a building foundation clump of piles 4 and the building superstructure 2, this moment, the load of whole building superstructure 2 was passed to (whole building load is passed on the clump of piles of building foundation by elasticity jacking and pointwise elementary errors lowering means between hundreds of buildings and stake top) on the building foundation clump of piles 4 by self-locking jack 1 and spring box 3, after load is stable, all self-locking jack 1 of building superstructure 2 belows all are in initial self-locking stress, all spring boxs 3 of building superstructure 2 belows all are subjected to load and produce certain elastic deformation, and all self-locking jack 1 and the spring box 3 of whole building superstructure 2 belows all are in the load-bearing stable state.
Step 2, start one of them self-locking jack 1, make this self-locking jack 1 convert piston jacking stress to by the self-locking stress, by the piston in this self-locking jack of oil pump elementary errors contraction decline, again pin this self-locking jack by self-locking device then, make it convert the self-locking stress again to, at this moment, the load of whole building superstructure 2 reassigns on each building foundation clump of piles 4 by the self-regulating function of all self-locking jack 1 and spring box 3.
Step 3, according to step 2, pointwise elementary errors is successively adjusted other self-locking jack 1 of building superstructure 2 belows, thus the integral body that realizes building superstructure 2 descends.
That is to say, setting in advance elasticity jacking and pointwise elementary errors lowering means between several buildings and stake top between building superstructure 2 and the building foundation clump of piles 4, the stress of the self-locking jack by adjusting elasticity jacking between each building under the building and stake top and pointwise elementary errors lowering means one by one, constantly elementary errors is shunk decline jacking piston, rely on self-control, the effective and reasonable carrying upper building of the coefficient characteristics load of hundreds of spring boxs, and then realize that whole building descends.
Claims (7)
1. elasticity jacking and pointwise elementary errors lowering means between a building and stake top, be arranged between a building foundation clump of piles (4) and the building superstructure (2), it is characterized in that: formed by spring box (3) and self-locking jack (1), described spring box (3) fixed placement is at the top of a building foundation clump of piles (4), described self-locking jack (1) fixed placement is at the top of spring box (3), and the upper end of self-locking jack (1) withstands on again on the building superstructure (2); Described spring box (3) comprise spring box upper cover plate (3a), spring box lower cover (3b) and be connected the spring box upper cover plate and the spring box lower cover between the elastic mechanism of one or more even layouts; Described spring box upper cover plate (3a) is provided with downward spring box epipleural (3e), and described spring box lower cover (3b) is provided with spring box lower side panel (3f) upwards, that match with spring box epipleural (3e); Described elastic mechanism comprises the spring box axis of guide (3g) and is enclosed within butterfly spring (3d), butterfly spring backing plate (3c) on the spring box axis of guide (3g), the upper end of the described spring box axis of guide (3g) is fixedly connected on the spring box upper cover plate (3a), and the lower end of the spring box axis of guide (3g) is mobily connected in up and down on the spring box lower cover (3b) by pretension bolt (3h).
2. elasticity jacking and pointwise elementary errors lowering means between building according to claim 1 and stake are pushed up is characterized in that: described spring box lower cover (3b) is provided with places the pothole (3i) that the spring box axis of guide (3g) bottom is used.
3. use the job practices that aforesaid right requires elasticity jacking between 1 described building and stake top and pointwise elementary errors lowering means for one kind, it is characterized in that step is as follows:
Step 1, self-locking jack (1) and spring box (3) are installed between a building foundation clump of piles (4) and the building superstructure (2), the load of whole building superstructure this moment (2) is passed on the building foundation clump of piles (4) by self-locking jack (1) and spring box (3), after load is stable, all self-locking jack (1) of building superstructure (2) below all are in initial self-locking stress, all spring boxs (3) of building superstructure (2) below all are subjected to load and produce elastic deformation, and all self-locking jack (1) and the spring box (3) of whole building superstructure (2) below all are in the load-bearing stable state;
Step 2, start one of them self-locking jack (1), make this self-locking jack (1) convert piston jacking stress to by the self-locking stress, by the piston in this self-locking jack of oil pump elementary errors contraction decline, again pin this self-locking jack by self-locking device then, make it convert the self-locking stress again to, at this moment, the load of whole building superstructure (2) reassigns on each building foundation clump of piles (4) by the self-regulating function of all self-locking jack (1) and spring box (3);
Step 3, according to step 2, pointwise elementary errors is successively adjusted other self-locking jack (1) of building superstructure (2) below, thus the integral body that realizes building superstructure (2) descends.
4. the job practices of elasticity jacking and pointwise elementary errors lowering means between building according to claim 3 and stake top is characterized in that: described spring box (3) comprise spring box upper cover plate (3a), spring box lower cover (3b) and be connected the spring box upper cover plate and the spring box lower cover between the elastic mechanism of one or more even layouts.
5. the job practices of elasticity jacking and pointwise elementary errors lowering means between building according to claim 4 and stake are pushed up, it is characterized in that: described spring box upper cover plate (3a) is provided with downward spring box epipleural (3e), and described spring box lower cover (3b) is provided with spring box lower side panel (3f) upwards, that match with spring box epipleural (3e).
6. the job practices of elasticity jacking and pointwise elementary errors lowering means between building according to claim 5 and stake are pushed up, it is characterized in that: described elastic mechanism comprises the spring box axis of guide (3g) and is enclosed within butterfly spring (3d), butterfly spring backing plate (3c) on the spring box axis of guide (3g), the upper end of the described spring box axis of guide (3g) is fixedly connected on the spring box upper cover plate (3a), and the lower end of the spring box axis of guide (3g) is mobily connected in up and down on the spring box lower cover (3b) by pretension bolt (3h).
7. the job practices of elasticity jacking and pointwise elementary errors lowering means between building according to claim 6 and stake are pushed up is characterized in that: described spring box lower cover (3b) is provided with places the pothole (3i) that the spring box axis of guide (3g) bottom is used.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210180630 CN102660970B (en) | 2012-06-04 | 2012-06-04 | Elastic jacking and point-by-point differential declining device arranged between building and pile top and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210180630 CN102660970B (en) | 2012-06-04 | 2012-06-04 | Elastic jacking and point-by-point differential declining device arranged between building and pile top and construction method |
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| CN102660970A CN102660970A (en) | 2012-09-12 |
| CN102660970B true CN102660970B (en) | 2013-09-11 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104963353A (en) * | 2015-06-11 | 2015-10-07 | 芜湖中泰新能源有限公司 | Bridge-used tubular pile |
| CN112814418B (en) * | 2021-01-26 | 2022-08-16 | 上海天演建筑物移位工程股份有限公司 | Pile type support alternate vertical displacement device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3936988A (en) * | 1974-12-16 | 1976-02-10 | Lawrence Peska Associates, Inc. | Repair device for restoring a damage dry wall board |
| CN101173520A (en) * | 2007-10-07 | 2008-05-07 | 中国矿业大学 | Method for differential settlement of buildings self-adapting groundwork and its structure |
| JP2009013615A (en) * | 2007-07-02 | 2009-01-22 | Wasc Kiso Jiban Kenkyusho:Kk | Construction method for prefabricated pile, and foundation bearing structure |
| CN202787338U (en) * | 2012-06-04 | 2013-03-13 | 中建三局建设工程股份有限公司 | Elastic jacking and point-by-point differential lowering device between building and pile block |
-
2012
- 2012-06-04 CN CN 201210180630 patent/CN102660970B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3936988A (en) * | 1974-12-16 | 1976-02-10 | Lawrence Peska Associates, Inc. | Repair device for restoring a damage dry wall board |
| JP2009013615A (en) * | 2007-07-02 | 2009-01-22 | Wasc Kiso Jiban Kenkyusho:Kk | Construction method for prefabricated pile, and foundation bearing structure |
| CN101173520A (en) * | 2007-10-07 | 2008-05-07 | 中国矿业大学 | Method for differential settlement of buildings self-adapting groundwork and its structure |
| CN202787338U (en) * | 2012-06-04 | 2013-03-13 | 中建三局建设工程股份有限公司 | Elastic jacking and point-by-point differential lowering device between building and pile block |
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