CN203654200U - No. 0 block support for box girder of river-crossing prestressed concrete continuous beam bridge - Google Patents

No. 0 block support for box girder of river-crossing prestressed concrete continuous beam bridge Download PDF

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Publication number
CN203654200U
CN203654200U CN201320888432.1U CN201320888432U CN203654200U CN 203654200 U CN203654200 U CN 203654200U CN 201320888432 U CN201320888432 U CN 201320888432U CN 203654200 U CN203654200 U CN 203654200U
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China
Prior art keywords
upright post
bracket
row
steel plate
concrete
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CN201320888432.1U
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Chinese (zh)
Inventor
李老民
王丽梅
徐士林
陆海英
纪汶佐
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China Construction Sixth Engineering Division Co Ltd
China Construction Sixth Engineering Bureau Civil Engineering Co Ltd
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China Construction Sixth Engineering Division Co Ltd
China Construction Sixth Engineering Bureau Civil Engineering Co Ltd
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Priority to CN201320888432.1U priority Critical patent/CN203654200U/en
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Abstract

The utility model discloses a No. 0 block support for a box girder of a river-crossing prestressed concrete continuous beam bridge. Two concrete support bases are respectively casted at the left side and the right side of each of pier studs on each of bearing platforms in the direction of the long edge of each pier stud. A pre-embedded bottom steel plate is arranged on the top surface of each concrete support base. A first support column is welded to each of the corresponding pre-embedded bottom steel plates on the inner side in the same row. A second support column is welded to each of the corresponding pre-embedded bottom steel plates on the outer side in the same row. Each first support column and one adjacent second support column are fixedly connected via a fixed connecting structure. Each first support column is connected with the pier studs. A continuous crossbeam is welded to a top steel plate on the top end of each of the first and second support columns. Two of the crossbeams, positioned at the same side of the pier studs, are connected via multiple distribution beams. The No. 0 block support with the above structure is a safe and stable system.

Description

A kind of across river prestressed concrete continuous beam bridge case beam 0# piece support
Technical field
The utility model relates to a kind of across river box beam bracket, relates in particular to a kind of across river variable cross-section prestressed concrete continuous beam bridge case beam 0# piece support.
Background technology
Along with the fast development day by day of Chinese national economy, it is growing that construction of road and bridge is invested.In bridge construction, more and more for the bridge of crossing over great rivers at present.And prestressed concrete continuous beam bridge because its span ability is large, construction method flexibly, strong, the features such as ride comfort is good and handsome in appearance that are open to traffic of strong adaptability, large, the antiseismic ability of the rigidity of structure, be more and more widely used at home at present.Prestressed concrete continuous beam bridge 0# piece refers to Main Pier of Bridges pier top case beam section, for cradle assembly provides work plane, in cantilever pouring process, as first beam section controlling the axis of bridge and the standard of elevation, precision and safety and firmness that 0# piece support is set up play a part crucial to the quality control on construction of whole bridge.
Learn the patent of having authorized by retrieval:
1 application number is: the Chinese patent of CN201220010497.1 discloses " for the support of the only stub concrete box girder of the deep water single pile 0# piece of constructing ", the disclosed support of this utility model, comprise: stent support, anchor ear platform, bracket upright post and 0# block concrete pouring construction platform, stent support comprises the doughnut-shaped steel plate on the subjective basis steel casing outer circumference surface that is fixed on the only stub of deep water single pile and is distributed on subjective basis steel casing multiple vertical stiffeners around; Anchor ear platform comprises and is set in the sleeve outside the only stub of deep water single pile and is set in the rectangular frame outside sleeve, the lower end edge of sleeve is circumferentially uniform arranges multiple free bearings, rectangular frame is hinged by many hounds and free bearing, and anchor ear platform is assembled by the halved body of dividing equally vertically; Bracket upright post is fixed on the end face of anchor ear platform; 0# block concrete pouring construction platform is fixed on the end face of bracket upright post.This utility model has solved the problem of the concrete box girder 0# piece constructional difficulties of the only stub of deep water single pile.But the concrete box girder 0# piece of what this patent solved the is only stub of deep water single pile supports, be not suitable for be not the only stub of single pile across river variable cross-section prestressed concrete continuous beam bridge case beam 0# piece support.
2 application numbers are: the Chinese patent of CN201110411902.0 discloses " Quick construction method for segment No.0 of continuous beam ", the method comprises the following steps: A10, in the pier position of main pier other along bridge to the assembled basis of construction, described assembled basis is for assembled No. 0 piece reinforcing bar formwork integral hoisting platform; A20, in the construction of main pier, No. 0 piece reinforcing bar formwork integral hoisting platform of construction of running simultaneously on described assembled basis, and No. 0 piece reinforcing bar formwork integral hoisting platform completes before main pier has been constructed; A30, No. 0 piece reinforcing bar formwork integral hoisting platform of lifting be to main Dun Dunding, carries out that No. 0 piece main beam concrete is built and the stretch-draw mud jacking construction of beam body.The present invention starts assembled No. 0 piece reinforcing bar formwork integral hoisting platform, installation form assembling reinforcement in the time of construction main pier bearing platform, pier shaft, does not conflict with main pier main body construction, can greatly shorten the construction period.But what this patent solved is Quick construction method for segment No.0 of continuous beam, in the time of construction main pier bearing platform, pier shaft, start assembled No. 0 piece reinforcing bar formwork integral hoisting platform, installation form assembling reinforcement.Be not suitable for the case beam 0# piece rack construction across river.
3 application numbers are: the Chinese patent of CN201020657068.4 discloses cantilever-cast continuous girder No.0 block and synchronizeed quick construction equipment with substructure, this device is that up and down slideway beam is arranged on platform for lining, firm connection between glide path beam and assembled, platform, on glide path beam, install slipway beam, between glide path beam and sliding way beam, overlapping part fills sliding agent, and piece template reinforcing bar is installed No. 0 on sliding way beam; Pier shaft is arranged on pier-side bracket, and pier-side bracket is connected with platform for lining, glide path beam, in the glide direction termination of glide path beam, draw-gear is installed, and draw-gear connects No. 0 piece template reinforcing bar.
4 application numbers are: the Chinese patent of CN201010586136.7 discloses cantilever-cast continuous girder No.0 block and synchronizeed fast construction method and device with substructure, the method construction sequence is divided in the time of substructure pier construction and is set up No.0 of continuous beam platform for lining in bridge center line one side, mounting slip passage; Support, template, reinforcing bar and the prestressing force tube bank of No. 0 piece construction are installed on platform for lining; Installation pier-side bracket and slippage passage after pier construction completes, and slippage passage is connected with platform for lining slippage passage; Piece draw-gear is installed No. 0; By draw-gear by place the integral slippings such as No. 0 piece template, reinforcing bar; Carry out the pouring construction of No. 0 block concrete.Advantage: the every operation of reasonable arrangement, save time, shorten the construction period.The overall duration of the project that is particularly suitable for causes the project such as follow-up duration, construction organization pressure anomaly anxiety with regard to short or gene basis construction delays.Range of application has superstructure 0# piece beam body construction on the bank, superstructure 0# piece beam body construction waterborne; Low pier beam body or high pier beam body.
What 3-4 item patent solved is support, template, reinforcing bar and the prestressing force tube bank that No. 0 piece construction is installed on platform for lining.By draw-gear, by place the integral slippings such as No. 0 piece template, reinforcing bar, the reliable soundness of the seating position of the platform for lining in these two patents be can't see.Be not suitable for the case beam 0# piece rack construction across river.
5 application numbers are: the Chinese patent of CN200910209251.X discloses floor steel pipe column bracket of bridge end bay closure section construction integral slide device and method, this device comprises stand and haulage gear, and two sliding rails are arranged symmetrically on expansion basis, above every sliding rail, be provided with two blocks of slippage steel plates, this slippage steel plate moves under the effect of haulage gear on sliding rail; Every sliding rail is supported on and expands basis above below by multiple track leveling supports, and these bearings have leveling effect, makes whole piece sliding rail be horizontal arrangement and is expanding on basis.What this patent solved is the displacement problem of integral support system, the installation of the inapplicable case beam 0# piece rack construction across river.
Summary of the invention
The purpose of this utility model is to overcome the feature of prior art, and a kind of support firm stable, safe is provided, and the one that bearing load is large and construction method is easy, save the cost duration is across river prestressed concrete continuous beam bridge case beam 0# piece support.
One of the present utility model is across river prestressed concrete continuous beam bridge case beam 0# piece support, on each group cushion cap, be cast with respectively two row's concrete bracket basis along pier stud long side direction in the left and right sides of pier stud and form two row's inner side concrete bracket basis and two exclusive side concrete bracket basis, concrete bracket basis interval in each row's concrete bracket basis arranges, on concrete bracket basis end face described in each, be embedded with end steel plate, on each the pre-buried end steel plate arranging with row in inner side, be welded with respectively the first bracket upright post, on each the pre-buried end steel plate arranging with row in outside, be welded with respectively the second bracket upright post, between two adjacent the first bracket upright post that arrange with row on same cushion cap and between two adjacent the second bracket upright post, adopt fixing mechanism to be fixedly connected with, each root first bracket upright post is connected with the pre-embedded steel slab in pier stud by i iron, top in each root first bracket upright post and each root the second bracket upright post is welded with respectively top steel plate, on the top steel plate on the top of the second bracket upright post arranging, be welded with elongated crossbeam along bridge pier long side direction respectively on the top steel plate on the first bracket upright post top arranging with row and with row, between two crossbeams of pier stud the same side, be connected by many distribution beam that arrange with beam vertical, be positioned on the crossbeam of two short brinks of the pier stud described in each regulating block is installed, many longerons are connected with beam vertical by regulating block, between every two longerons, the multiple tracks lumps of wood be arrangeding in parallel with crossbeam is installed, middle cross beam one end is connected with the pre-buried junction steel plate at minor face place outside pier stud and the other end is connected with longeron.
The beneficial effects of the utility model are: 0# piece support firm stable, safe, bearing load is large and construction method is easy.On cushion cap, construction has concrete bracket basis and end steel plate, the foundation bearing capacity firm stable that 0# piece bracket upright post is located like this.Between the first bracket upright post and between two adjacent the second bracket upright post, all adopt fixing mechanism to be fixedly connected with, like this from all firm stable of the stressed column of which direction.The installation of the connectors such as pre-embedded steel slab, top steel plate, crossbeam, longeron is again by the column that passes to uniform load.So whole 0# piece mounting system safety and stability.
Brief description of the drawings
Fig. 1 is a kind of longitudinal elevational schematic view across river prestressed concrete continuous beam bridge case beam 0# piece support of the utility model;
Fig. 2 is the horizontal elevational schematic view of the 0# piece support shown in Fig. 1;
Fig. 3 is that in the 0# piece support shown in Fig. 1, pier stud is connected schematic top plan view with bracket upright post;
Fig. 4 is the partial top view of the 0# piece support shown in Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
This support is applicable to installing across river prestressed concrete continuous beam bridge case beam 0# piece 12.
One of the present utility model is across river prestressed concrete continuous beam bridge case beam 0# piece support as shown in drawings, on each group cushion cap 1, pour into a mould respectively in the left and right sides of pier stud 5 two row's concrete bracket basis 2 along pier stud long side direction and form concrete bracket basis and two exclusive side concrete bracket basis 2 inside two rows, concrete bracket basis 2 intervals in each row's concrete bracket basis 2 arrange.Ensure the stability of bracket basis; On concrete bracket basis 2 end faces described in each, be embedded with end steel plate 3; On each the pre-buried end steel plate arranging with row in inner side, weld respectively the first bracket upright post 4-1, on each the pre-buried end steel plate arranging with row in outside, weld respectively the second bracket upright post 4; Between two adjacent the first bracket upright post 4-1 that arrange with row on same cushion cap 1 and between two adjacent the second bracket upright post 4, adopt fixing mechanism to be fixedly connected with; Preferred described fixing mechanism comprises the upper and lower spaced stull 6 of multiple tracks along continuous straight runs, between two the first bracket upright post of the adjacent setting of same row or two the second bracket upright post 4, be connected by multiple tracks stull 6, between the twice stull of adjacent setting, be welded with bridging 7 along diagonal.Each root first bracket upright post 4-1 is connected with the pre-embedded steel slab 9 in pier stud 5 by i iron 8; Top in each root first bracket upright post 4-1 and each root the second bracket upright post 4 is welded with respectively top steel plate 11; On the top steel plate 11 on the top of the second bracket upright post 4 arranging, be welded with elongated crossbeam 10 along bridge pier long side direction respectively on the top steel plate 11 on the first bracket upright post 4-1 top arranging with row and with row; Between two crossbeams 10 of pier stud 5 the same sides by being connected with the vertically disposed many distribution beam 13 of crossbeam 10, be positioned on the crossbeam 10 of two short brinks of the pier stud 5 described in each regulating block 15 is installed, many longerons 14 are connected with crossbeam 10 is vertical by regulating block 15, between every two longerons 14, the multiple tracks lumps of wood 18 be arrangeding in parallel with crossbeam 10 are installed; Middle cross beam 16 one end are connected with the pre-buried junction steel plate at minor face place outside pier stud and the other end is connected with longeron.Preferred bracket 17 one end are connected with longeron 14 with pre-buried junction steel plate welding and the other end at pier stud minor face place.

Claims (2)

1. one kind across river prestressed concrete continuous beam bridge case beam 0# piece support, it is characterized in that: on each group cushion cap, be cast with respectively two row's concrete bracket basis along pier stud long side direction in the left and right sides of pier stud and form two row's inner side concrete bracket basis and two exclusive side concrete bracket basis, concrete bracket basis interval in each row's concrete bracket basis arranges, on concrete bracket basis end face described in each, be embedded with end steel plate, on each the pre-buried end steel plate arranging with row in inner side, be welded with respectively the first bracket upright post, on each the pre-buried end steel plate arranging with row in outside, be welded with respectively the second bracket upright post, between two adjacent the first bracket upright post that arrange with row on same cushion cap and between two adjacent the second bracket upright post, adopt fixing mechanism to be fixedly connected with, each root first bracket upright post is connected with the pre-embedded steel slab in pier stud by i iron, top in each root first bracket upright post and each root the second bracket upright post is welded with respectively top steel plate, on the top steel plate on the top of the second bracket upright post arranging, be welded with elongated crossbeam along bridge pier long side direction respectively on the top steel plate on the first bracket upright post top arranging with row and with row, between two crossbeams of pier stud the same side, be connected by many distribution beam that arrange with beam vertical, be positioned on the crossbeam of two short brinks of the pier stud described in each regulating block is installed, many longerons are connected with beam vertical by regulating block, between every two longerons, the multiple tracks lumps of wood be arrangeding in parallel with crossbeam is installed, middle cross beam one end is connected with the pre-buried junction steel plate at minor face place outside pier stud and the other end is connected with longeron.
2. according to claim 1 across river prestressed concrete continuous beam bridge case beam 0# piece support, it is characterized in that: described fixing mechanism comprises the upper and lower spaced stull of multiple tracks along continuous straight runs, between two the first bracket upright post of the adjacent setting of same row or two the second bracket upright post, be connected by multiple tracks stull, between the twice stull of adjacent setting, be welded with bridging along diagonal.
CN201320888432.1U 2013-12-25 2013-12-25 No. 0 block support for box girder of river-crossing prestressed concrete continuous beam bridge Active CN203654200U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320888432.1U CN203654200U (en) 2013-12-25 2013-12-25 No. 0 block support for box girder of river-crossing prestressed concrete continuous beam bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320888432.1U CN203654200U (en) 2013-12-25 2013-12-25 No. 0 block support for box girder of river-crossing prestressed concrete continuous beam bridge

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107780343A (en) * 2017-10-25 2018-03-09 金勇� A kind of overhead bridge pier crossbeam and its construction technology
CN110528405A (en) * 2019-05-28 2019-12-03 武汉二航路桥特种工程有限责任公司 Bridge big height lifting and translocating equipment and its construction method based on vehicle group

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107780343A (en) * 2017-10-25 2018-03-09 金勇� A kind of overhead bridge pier crossbeam and its construction technology
CN110528405A (en) * 2019-05-28 2019-12-03 武汉二航路桥特种工程有限责任公司 Bridge big height lifting and translocating equipment and its construction method based on vehicle group

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Effective date of registration: 20180914

Granted publication date: 20140618

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Date of cancellation: 20190618

Granted publication date: 20140618