CN207862964U - A kind of land bearing platform construction system - Google Patents

A kind of land bearing platform construction system Download PDF

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Publication number
CN207862964U
CN207862964U CN201721305984.XU CN201721305984U CN207862964U CN 207862964 U CN207862964 U CN 207862964U CN 201721305984 U CN201721305984 U CN 201721305984U CN 207862964 U CN207862964 U CN 207862964U
Authority
CN
China
Prior art keywords
girder
steel
jacket box
air bag
steel jacket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721305984.XU
Other languages
Chinese (zh)
Inventor
周联英
丁智
江锋
赖荣辉
陈自海
陈亚南
徐建超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Communications Construction Group Co Ltd
Zhejiang University City College ZUCC
Original Assignee
Zhejiang Communications Construction Group Co Ltd
Zhejiang University City College ZUCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Communications Construction Group Co Ltd, Zhejiang University City College ZUCC filed Critical Zhejiang Communications Construction Group Co Ltd
Priority to CN201721305984.XU priority Critical patent/CN207862964U/en
Application granted granted Critical
Publication of CN207862964U publication Critical patent/CN207862964U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of land bearing platform construction systems, including steel jacket box, air bag interlayer and plucking device;Between cushion cap and steel jacket box, charge valve is provided on air bag interlayer by land for the air bag interlayer setting;The plucking device includes girder, sunpender, suspention beam and jack;The girder is fixed on the support columns by corbel, and suspention beam is arranged on girder, and jack is arranged between girder and suspention beam;One end of the sunpender is fixed on by nut on girder and suspention beam, and the other end is fixed on by nut on steel jacket box.Land bearing platform construction system and construction method provided by the utility model, it is reasonable for structure, so that set tank wall is detached from cushion cap concrete by the way that processing is exhausted in steel bushing chamber interior wall setting air bag interlayer, effectively reduces frictional resistance when steel jacket box pulls up;Simultaneously by arranging plucking device on cushion cap top, realizes that the entirety of steel jacket box pulls up recycling, the construction safety of structure cushion cap has been effectively ensured.

Description

A kind of land bearing platform construction system
Technical field
The utility model is related to technical field of building construction more particularly to a kind of land bearing platform construction systems.
Background technology
In recent years, with the continuous propulsion of Urbanization in China, urban transportation also gradually starts to few occupation of land, and depth is vertical The comprehensive transport development of body.
In terms of underground, rail traffic development just one unprecedented high-speed development period of experience in China, subway construction year Average investment total value will be more than 500,000,000,000 yuan;Aspect on the ground, urban viaduct is also because it relieves traffic congestion, improves the work(such as running speed Can and it is widely used by each big city.Therefore, while Metropolitan Integrative Traffic high speed development, a system is inevitably brought The problem of row bridge tunnel intersects.
Along tunnel underground, website carry out substructure constructions, work progress and the load action such as bridge pile foundation cushion cap Displacement and the stress variation of surrounding soil can be caused, the section of jurisdiction of adjacent subway tunnel structure and track will certainly be generated centainly It influences.When tunnel is when deforming more than a certain range, the normal operation safety and service life of subway tunnel will be seriously affected.
Therefore, there is an urgent need for technical problems to be solved at present is:How the influence by short distance bridge construction to existing tunnel It is reduced to minimum.
Utility model content
The purpose of this utility model is surrounding soil to be caused to disturb for neighbouring subway bridge joist support platform excavation construction, is caused Displacement and stress variation, it is possible to which the normal safe operation problem that can influence subway provides a kind of land bearing platform construction system, solution Certainly the construction of large bridge cushion cap conventional drainage can influence neighbouring structure of the subway safety problem and steel jacket box directly does the template later stage The difficult problem of structure recycling.
The technical solution of the utility model
In order to solve the above technical problems, a kind of land bearing platform construction system provided by the utility model, including steel jacket box, gas Capsule interlayer and plucking device;The air bag interlayer setting between cushion cap and steel jacket box, is provided with inflation by land on air bag interlayer Valve;The plucking device includes girder, sunpender, suspention beam and jack;The girder is fixed on the support columns by corbel, is hanged Hanging beam is arranged on girder, and jack is arranged between girder and suspention beam;One end of the sunpender is fixed on master by nut On beam and suspention beam, the other end is fixed on by nut on steel jacket box.
Further, the steel jacket box is bottomless double-walled steel jacket box, is provided with cross rib and perpendicular rib.
Further, the air bag interlayer is rubber pneumatic bag interlayer, is inflated by charge valve, after the inflation of air bag interlayer Overall thickness is not less than 30mm.
Further, the sunpender is fixed on the both sides of girder, and a pair of of jack is symmetricly set on the both sides of sunpender.
Further, the fixed position of the steel jacket box and sunpender is provided with suspension centre, and the suspension centre is by connection channel steel, branch Channel steel and strong floor composition are supportted, connection channel steel is arranged on the inner panel and outside plate of steel jacket box, and support channel steel is fixed on connection channel steel On, the strong floor is welded on support channel steel.
The utility model advantageous effect:
Land bearing platform construction system and construction method provided by the utility model, it is reasonable for structure, by steel jacket box Processing, which is exhausted, in wall setting air bag interlayer makes set tank wall be detached from cushion cap concrete, effectively reduces frictional resistance when steel jacket box pulls up Power;Simultaneously by arranging plucking device on cushion cap top, realizes that the entirety of steel jacket box pulls up recycling, structure cushion cap has been effectively ensured Construction safety.
Description of the drawings
By being described in detail made by conjunction with the following drawings, the above-mentioned advantage of the utility model will be apparent and more hold Readily understood, these attached drawings are only schematical, are not intended to limit the utility model, wherein:
Fig. 1 is the plan view of land bearing platform construction system described in the utility model;
Fig. 2 is the side view of land bearing platform construction system described in the utility model;
Fig. 3 is the elevation of land bearing platform construction system described in the utility model;
Fig. 4 is the partial enlarged view of the suspension centre of the utility model;
Fig. 5 is the sectional view of Fig. 4.
In attached drawing, the component representated by each label is as follows:
1. land cushion cap;2. steel jacket box;3. air bag interlayer;4. charge valve;5. support column;6. girder;7. sunpender;8. suspention Beam;9. jack;10. corbel;11. supporting channel steel;12. connecting channel steel;The last 13. floor;14. back cover concrete;15. suspension centre.
Specific implementation mode
With reference to specific embodiments and the drawings, to a kind of land bearing platform construction system and construction method of the utility model It is described in detail.
The embodiment recorded herein is the specific specific implementation mode of the utility model, for illustrating the utility model Design, is explanatory and illustrative, should not be construed as the limit to the utility model embodiment and the scope of the utility model System.In addition to the embodiment recorded herein, those skilled in the art can also be based on the application claims and specification institute is public For the content opened using obvious other technical solutions, these technical solutions include doing using the embodiment to recording herein Go out the technical solution of any obvious substitutions and modifications.
The attached drawing of this specification is schematic diagram, aids in illustrating the design of the utility model, it is schematically indicated each section Shape and its correlation.It note that the structure of each component for the ease of clearly showing the utility model embodiment, respectively It is not drawn according to identical ratio between attached drawing.Identical reference marker is for indicating identical part.
Fig. 1 is a kind of plan view of land bearing platform construction system described herein, and Fig. 2 is its corresponding side view, Fig. 3 It is its corresponding elevation.Land bearing platform construction system includes steel jacket box 2, air bag interlayer 3 and plucking device;The air bag interlayer 3 settings between cushion cap 1 and steel jacket box 2, are provided with charge valve 4 by land on air bag interlayer 3.
The plucking device includes girder 6, sunpender 7, suspention beam 8 and jack 9;The girder 6 is fixed by corbel 10 On support column 5, suspention beam 8 is arranged on girder 6, and jack 9 is arranged between girder 6 and suspention beam 8;The sunpender 7 One end is fixed on by nut on girder 6 and suspention beam 8, and the other end is fixed on by nut on steel jacket box 2.
In the application, the steel jacket box 2 is bottomless double-walled steel jacket box, is provided with cross rib and perpendicular rib;Inside and outside siding is adopted It is made of the steel plate of 10mm with thickness, cross rib uses 16# I-steel, erects rib and uses 36# I-steel.Steel jacket box 2 is after processing is completed It is transported to construction site, the suck sediment subsidence when excavating is carried out according to common process, until designed elevation;Then it is mixed to pour underwater back cover Solidifying soil drains the underground water inside steel jacket box 2 after appropriate maintenance.
The air bag interlayer 3 is rubber pneumatic bag interlayer, is inflated by charge valve 4, the overall thickness after the inflation of air bag interlayer 3 Not less than 30mm.The setting of air bag interlayer 3 can reduce the frictional resistance between steel jacket box 2 and cushion cap concrete, to facilitate steel bushing The recycled in its entirety of case.
The sunpender 7 is fixed on the both sides of girder 6, and a pair of of jack 9 is symmetricly set on the both sides of sunpender 7.Jack 9 is The recycled in its entirety of steel jacket box 2 provides upward top lift, to complete the recycling of steel jacket box.
Fig. 4 is the partial enlarged view of the suspension centre of the utility model, and the steel jacket box 2 and the fixed position of sunpender 7 are arranged There are suspension centre 15, the suspension centre 15 to be made of connection channel steel 12, support channel steel 11 and strong floor 13, connection channel steel 12 is arranged in steel bushing On the inner panel and outside plate of case 2, support channel steel 11 is fixed on connection channel steel 12, and the strong floor 13 is welded on support channel steel 11 On.Fig. 5 is the sectional view of Fig. 4.
The invention also discloses a kind of land construction methods, specifically include following steps:
S1 makes steel jacket box 2, air bag interlayer 3 and plucking device according to land dimension of platform;
Specifically, the upper limb of steel jacket box 2 is above the ground level 200mm, and lower edge is less than the basal plane 1000mm of back cover concrete 14;Air bag Overall thickness after interlayer 3 is inflated is not less than 30mm, to bear measuring pressure when cushion cap concreting and impact force.
Girder 6 on plucking device uses Two bors d's oeuveres 63a I-steel shoulder pole girders, cantilever beam 8 to use Two bors d's oeuveres 25a I-steel, Sunpender 7 uses 32 finish rolling deformed bars of φ, jack 9 to use 32t hydraulic synchronization jack.
Then 2 sinking of steel jacket box cushion cap setting position by land is poured underwater bottom concrete by S2, after appropriate maintenance Drain the underground water in steel jacket box 2;
S3 is laid with air bag interlayer 3 and is inflated by charge valve 4, then bind cushion cap reinforcing bar in 2 surrounding inner wall of steel jacket box, Steel jacket box 2 is used as cushion cap concrete form, casting concrete;
S4 is installed plucking device, is pulled out 2 synchronization of jacking up of steel jacket box using jack 9 thereon.
Specifically, steel jacket box synchronization of jacking up, which is pulled out, includes the following steps:
S4-1, checks the installation flatness of jack 9, and unclamps the nut of 6 lower end of girder, makes nut to 6 bottom of girder Distance is more than a range of jack 9, screws the nut of 8 upper end of suspention beam;
S4-2,9 synchronization of jacking up of jack after above moving to a range, screw the nut of 6 upper end of girder to the top of girder 6 Portion, and make 9 oil return of jack;
S4-3 repeats step S4-1 to S4-2, is pulled out until steel jacket box 2 is whole.
Compared with the prior art the shortcomings that and deficiency, land bearing platform construction system provided by the utility model and construction party Method, it is reasonable for structure, by being directly used as cushion cap template after air bag interlayer is arranged in steel bushing chamber interior wall, wait for that concreting is completed Processing, which is exhausted, to design strength, by air bag interlayer in maintenance makes set tank wall be detached from cushion cap concrete, to greatly reduce steel bushing Frictional resistance when case pulls up;Simultaneously by arranging plucking device on cushion cap top, steel jacket box integrally pulls up under the action of jack Reach recycling, the construction safety of structure cushion cap has been effectively ensured.
The utility model is not limited to the above embodiment, anyone can obtain other under the enlightenment of the utility model Various forms of products, however, make any variation in its shape or structure, it is every with identical or similar to the present application Technical solution, all fall within the scope of protection of the utility model.

Claims (5)

1. a kind of land bearing platform construction system, which is characterized in that including steel jacket box(2), air bag interlayer(3)And plucking device;Institute State air bag interlayer(3)Cushion cap by land is set(1)And steel jacket box(2)Between, air bag interlayer(3)On be provided with charge valve(4);Institute It includes girder to state plucking device(6), sunpender(7), suspention beam(8)And jack(9);The girder(6)Pass through corbel(10)Gu It is scheduled on support column(5)On, suspention beam(8)It is arranged in girder(6)On, jack(9)It is arranged in girder(6)With suspention beam(8)It Between;The sunpender(7)One end girder is fixed on by nut(6)And suspention beam(8)On, the other end is fixed on by nut Steel jacket box(2)On.
2. land bearing platform construction system according to claim 1, which is characterized in that the steel jacket box(2)For bottomless double-wall steel Casing is provided with cross rib and perpendicular rib.
3. land bearing platform construction system according to claim 1, which is characterized in that the air bag interlayer(3)For rubber pneumatic bag Interlayer passes through charge valve(4)Inflation, air bag interlayer(3)Overall thickness after inflation is not less than 30mm.
4. land bearing platform construction system according to claim 1, which is characterized in that the sunpender(7)It is fixed on girder(6)'s Both sides, a pair of of jack(9)It is symmetricly set on sunpender(7)Both sides.
5. land bearing platform construction system according to claim 1, which is characterized in that the steel jacket box(2)With sunpender(7)Consolidate The positioning place of setting is provided with suspension centre(15), the suspension centre(15)By connection channel steel(12), support channel steel(11)And strong floor(13)Group At connection channel steel(12)It is arranged in steel jacket box(2)Inner panel and outside plate on, support channel steel(11)It is fixed on connection channel steel(12) On, the strong floor(13)It is welded on support channel steel(11)On.
CN201721305984.XU 2017-10-11 2017-10-11 A kind of land bearing platform construction system Expired - Fee Related CN207862964U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721305984.XU CN207862964U (en) 2017-10-11 2017-10-11 A kind of land bearing platform construction system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721305984.XU CN207862964U (en) 2017-10-11 2017-10-11 A kind of land bearing platform construction system

Publications (1)

Publication Number Publication Date
CN207862964U true CN207862964U (en) 2018-09-14

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ID=63475200

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721305984.XU Expired - Fee Related CN207862964U (en) 2017-10-11 2017-10-11 A kind of land bearing platform construction system

Country Status (1)

Country Link
CN (1) CN207862964U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110670901A (en) * 2019-09-23 2020-01-10 东南大学 Protection method for integrally moving ancient tomb chamber by adopting steel sleeve box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110670901A (en) * 2019-09-23 2020-01-10 东南大学 Protection method for integrally moving ancient tomb chamber by adopting steel sleeve box

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180914

Termination date: 20181011

CF01 Termination of patent right due to non-payment of annual fee