CN203475310U - Formwork for concrete slabs of composite steel-concrete box girders - Google Patents

Formwork for concrete slabs of composite steel-concrete box girders Download PDF

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Publication number
CN203475310U
CN203475310U CN201320463714.7U CN201320463714U CN203475310U CN 203475310 U CN203475310 U CN 203475310U CN 201320463714 U CN201320463714 U CN 201320463714U CN 203475310 U CN203475310 U CN 203475310U
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CN
China
Prior art keywords
steel
plate
concrete
support
formwork
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CN201320463714.7U
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Chinese (zh)
Inventor
李玉川
冯永起
陈少武
鹿红雷
孙磊
陈龙
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中铁六局集团有限公司
中铁六局集团北京铁路建设有限公司
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Priority to CN201320463714.7U priority Critical patent/CN203475310U/en
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Publication of CN203475310U publication Critical patent/CN203475310U/en

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Abstract

A formwork for concrete slabs of composite steel-concrete box girders comprises a plurality of support cross beams, a plurality of support longitudinal beams, two columns of support uprights, a plurality of pull rods, a plurality of nuts, a plurality of gaskets, a plurality of longitudinal ridges, a plurality of steel cover plate brackets and a plurality of steel cover plates. According to the formwork for the concrete slabs of the composite steel-concrete box girders, the steel cover plates are arranged on top plates of erected steel box girders, so that the steel cover plates and the steel box girders form a formwork system, not only can the problem of non-bracket construction of cross-road construction be solved, but also large lifting equipment is not required to be matched in specific construction, the installation can be finished through only manual operation, the elevation of a bottom formwork can be adjusted quite conveniently and accurately, and the accuracy is high. In addition, for the slabs with different sizes, only formwork equipment with different specifications are required to be produced, fewer formwork equipment materials are used, structural steel for common engineering is used, the formwork is low in machining difficulty and simple to use, and the field construction usage is facilitated, so that the construction period can be shortened, and the construction cost is low.

Description

Steel reinforced concrete is in conjunction with box beam concrete wing plate template
Technical field
The utility model belongs to bridge construction auxiliary equipment technical field, particularly relates to a kind of steel reinforced concrete in conjunction with box beam concrete wing plate template.
Technical background
Along with the develop rapidly of bridge construction, steel reinforced concrete is of common occurrence in conjunction with case beam.Wing plate be steel reinforced concrete in conjunction with the chief component of case beam, wing plate template becomes steel reinforced concrete in conjunction with the important component of box girder construction.Conventional wing plate construction method is to adopt Support Method on main road, to set up door opening shape wing plate template system to carry out construction operation at present.But this method needs the cooperation of crane, requiring must have the place that meets lifting operation under bridge simultaneously, and lifting operation is larger to the traffic impact of road, also very high to the requirement of hoistman while accounting in addition road lifting, therefore, under bridge, crane operation place is chosen difficult in the situation that, and wing plate template is installed very difficulty.In addition, this construction method is for the larger main road of vehicle flowrate, and not only construction safety is difficult to guarantee, and due to construction with brackets install and the striking cycle longer, thereby cause construction cost to increase.When in addition, the method is carried out wing plate construction, security risk is also larger.
Summary of the invention
In order to address the above problem, the purpose of this utility model is to provide a kind of making simple and easy, easy to use, and precision is high, steel reinforced concrete that can the reduction of erection time is in conjunction with box beam concrete wing plate template.
In order to achieve the above object, the steel reinforced concrete that the utility model provides comprises many supporting traverses, many support stringers, two row support posts, many pull bars, a plurality of nut, multi-disc pad, many vertical stupefied, a plurality of steel deck-plate brackets and polylith steel deck-plate in conjunction with box beam concrete wing plate template; Wherein two row support posts are arranged on the top board outer ledge of two steel case beams that set up along the longitudinally equidistant symmetry of bridge, and upper end end face is provided with steel plate, and on steel plate, is horizontally installed with a support stringer identical with support post orientation; Many supporting traverses are arranged on the top of support stringer along the laterally equidistant level of bridge; Steel deck-plate bracket is rod-like structure, and lower end is formed with a hook, and the two ends of every supporting traverse utilize respectively coupling bolt to be connected with the middle part of a steel deck-plate bracket, and the bill on hook is inside; Steel deck-plate one end as bed die is placed on the top board outer ledge of a slice steel case beam, and the other end is placed on the hook with a plurality of steel deck-plate brackets of this steel case beam the same side; On the top of many supporting traverses, be positioned at position directly over steel deck-plate arrange at least two vertical stupefied; Pull bar vertically runs through vertical stupefied and supporting traverse setting, and lower end is connected on steel deck-plate, and upper end utilizes pad and nut to fix.
Being connected between steel plate, supporting traverse and support stringer on top board, support stringer and the support post end face of described support post and steel case beam all adopts welding manner.
Described support post, support stringer and supporting traverse are made by two channel-section steels weld side by side.
The steel reinforced concrete that the utility model provides is, on the steel case back plate having set up, steel deck-plate is set in conjunction with box beam concrete wing plate template, make steel deck-plate and steel case beam form template system, not only can solve the problem across road construction erection without scaffolding, and in Specific construction, without Large-scale Hoisting equipment, coordinate, only need manual operation can complete installation, and can very convenient, accurately regulate bed die absolute altitude, so precision is high.For the wing plate of different size, only need to make the template equipment of different size in addition, template used equipment and materials is less, be conventional engineering structural iron, difficulty of processing is little, uses simple, be conducive to site operation and use, therefore can the reduction of erection time, construction cost is low.
Accompanying drawing explanation
The steel reinforced concrete that Fig. 1 provides for the utility model is in conjunction with box beam concrete wing plate formwork structure elevation.
The steel reinforced concrete that Fig. 2 provides for the utility model is in conjunction with box beam concrete wing plate formwork structure plan view.
The specific embodiment
Steel reinforced concrete the utility model being provided below in conjunction with the drawings and specific embodiments is elaborated in conjunction with box beam concrete wing plate template.
Now take certain engineering describes as example: this project is positioned in the middle of ,Mei city, the 5th ring road in Beijing top mouth road bridge, adopts 36m steel reinforced concrete in conjunction with case beam.Owing to constructing across fifth ring road on case beam, work progress is subject to the impact of fifth ring road up train, and the difficulty of construction of concrete flange plate is very large, considers that wing plate bed die adopts the steel form form of not tearing open, reduces the difficulty across fifth ring road construction with this during construction.The long 2.358m of steel case beam wing plates on two sides, so steel reinforced concrete bondbeam concrete flange plate template monolithic arranges long 2.358m.
As Figure 1-Figure 2, the steel reinforced concrete that the utility model provides comprises many supporting traverses 1, many support stringers 2, two row support posts 3, many pull bars 4, a plurality of nut 5, multi-disc pad 6, many vertical stupefied 7, a plurality of steel deck-plate brackets 8 and polylith steel deck-plate 10 in conjunction with box beam concrete wing plate template; Wherein two row support posts 3 are arranged on the top board outer ledge of two steel case beams 11 that set up along the longitudinally equidistant symmetry of bridge, upper end end face is provided with steel plate, and on steel plate, is horizontally installed with a support stringer 2 identical with support post 3 orientations; Many supporting traverses 1 are arranged on the top of support stringer 2 along the laterally equidistant level of bridge; Steel deck-plate bracket 8 is rod-like structure, and lower end is formed with a hook 12, and the two ends of every supporting traverse 1 utilize respectively coupling bolt 9 to be connected with the middle part of a steel deck-plate bracket 8, and the bill of linking up with on 12 is inside; Steel deck-plate 10 one end as bed die are placed on the top board outer ledge of a slice steel case beam 11, and the other end is placed on the hook 12 with a plurality of steel deck-plate brackets 8 of these steel case beam 11 the same sides; The position being positioned on the top of many supporting traverses 1 directly over steel deck-plate 10 arranges at least two vertical stupefied 7; Pull bar 4 vertically run through vertical stupefied 7 and supporting traverse 1 arrange, and lower end is connected on steel deck-plate 10, upper end utilize pad 6 and nut 5 fixing.
Being connected between steel plate, supporting traverse 1 and support stringer 2 on top board, support stringer 2 and support post 3 end faces of described support post 3 and steel case beam 11 all adopts welding manner.
Described support post 3, support stringer 2 and supporting traverse 1 are welded side by side and are made by two channel-section steels.
Distance between described adjacent supports crossbeam 1 is 1.250m.
The steel reinforced concrete that the utility model provides comprises in conjunction with box beam concrete wing plate template construction method the following step carrying out in order:
1) first on the top board outer ledge of two steel case beams 11 that set up, the longitudinal symmetry along bridge is installed two row support posts 3, support post 3 adopts two No. 20 channel-section steels to weld together side by side and form, lower end is welded on the top board of steel case beam 11, and on the end face of upper end, steel plate is set;
2) on the steel plate of every row support post 3 end faces, level is installed a support stringer 2 identical with support post 3 orientations, and support stringer 2 adopts two No. 20 channel-section steels to weld together side by side and form, and lower end is welded on support post 3;
3) at the top of support stringer 2, along the laterally equidistant level of bridge, many supporting traverses 1 are installed, supporting traverse 1 adopts two No. 20 channel-section steels to weld together side by side and form, and lower end is welded on support stringer 2, and the distance between adjacent supports crossbeam 1 is 1.250m;
4) at the two ends of every supporting traverse 1, utilize respectively coupling bolt 9 to be connected with the middle part of a steel deck-plate bracket 8, and it is inside on steel deck-plate bracket 8, to link up with 12 bill;
5) one end of steel deck-plate 10 is placed on the top board outer ledge of a slice steel case beam 11, the other end is placed on the hook 12 with a plurality of steel deck-plate brackets 8 of these steel case beam 11 the same sides, so that steel deck-plate 10 is temporary fixed;
6) position being positioned on the top of many supporting traverses 1 directly over steel deck-plate 10 arranges at least two vertical stupefied 7, vertical stupefied 7 adopt No. 10 channel-section steels, then pull bar 4 is run through simultaneously to vertical stupefied 7 and supporting traverse 1, pull bar 4 adopts No. 20 fining twisted steels, and its lower end is connected on steel deck-plate 10;
7) utilize the mode of rotating rod 4 to regulate the absolute altitude of steel deck-plate 10, after absolute altitude adjustment completes, the upper end of pull bar 4 is utilized pad 6 and nut 5 to be fixed on vertical stupefied 7;
8) steel deck-plate 10 and the top board contact position of steel case beam 11 are welded and fixed, make thus steel reinforced concrete in conjunction with box beam concrete wing plate template;
9) colligation concrete flange plate reinforcing bar fluid concrete in last space above steel deck-plate 10, after concrete reaches design strength, form concrete flange plate, finally according to the contrary order of above-mentioned steps, remove this steel reinforced concrete and can complete whole work progress in conjunction with box beam concrete wing plate template.

Claims (4)

1. steel reinforced concrete, in conjunction with a box beam concrete wing plate template, is characterized in that: described steel reinforced concrete comprises many supporting traverses (1), many support stringers (2), two row support posts (3), many pull bars (4), a plurality of nut (5), multi-disc pad (6), many vertical stupefied (7), a plurality of steel deck-plate bracket (8) and polylith steel deck-plates (10) in conjunction with box beam concrete wing plate template; Wherein two row support posts (3) are arranged on the top board outer ledge of two steel case beams (11) that set up along the longitudinally equidistant symmetry of bridge, upper end end face is provided with steel plate, and on steel plate, is horizontally installed with a support stringer (2) identical with support post (3) orientation; Many supporting traverses (1) are arranged on the top of support stringer (2) along the laterally equidistant level of bridge; Steel deck-plate bracket (8) is rod-like structure, and lower end is formed with a hook (12), and the two ends of every supporting traverse (1) utilize respectively coupling bolt (9) to be connected with the middle part of a steel deck-plate bracket (8), and the bill on hook (12) is inside; Steel deck-plate (10) one end as bed die is placed on the top board outer ledge of a slice steel case beam (11), and the other end is placed on the hook (12) with a plurality of steel deck-plate brackets (8) of this steel case beam (11) the same side; The position being positioned on the top of many supporting traverses (1) directly over steel deck-plate (10) arranges at least two vertical stupefied (7); Pull bar (4) vertically runs through vertical stupefied (7) and supporting traverse (1) arranges, and to be connected to steel deck-plate (10) upper in lower end, and upper end utilizes pad (6) and nut (5) to fix.
2. steel reinforced concrete according to claim 1, in conjunction with box beam concrete wing plate template, is characterized in that: being connected between steel plate, supporting traverse (1) and support stringer (2) on top board, support stringer (2) and support post (3) end face of described support post (3) and steel case beam (11) adopts welding manner.
3. steel reinforced concrete according to claim 1, in conjunction with box beam concrete wing plate template, is characterized in that: described support post (3), support stringer (2) and supporting traverse (1) are made by two channel-section steels weld side by side.
4. steel reinforced concrete according to claim 1, in conjunction with box beam concrete wing plate template, is characterized in that: the distance between adjacent described supporting traverse (1) is 1.250m.
CN201320463714.7U 2013-07-31 2013-07-31 Formwork for concrete slabs of composite steel-concrete box girders CN203475310U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362069A (en) * 2013-07-31 2013-10-23 中铁六局集团有限公司 Steel and concrete combined box girder concrete wing plate formwork and construction method
CN103952979A (en) * 2014-05-05 2014-07-30 宁波市政工程建设集团股份有限公司 Bracket-free construction device and construction method for steel-concrete superposed beam top plate
CN106223202A (en) * 2016-08-24 2016-12-14 中铁六局集团有限公司 2209 beam flange plate cast-in-situ construction methods
CN109440724A (en) * 2018-11-21 2019-03-08 安徽省交通航务工程有限公司 The installation method of the cast-in-place beam template suspention support system of long piled wharf

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362069A (en) * 2013-07-31 2013-10-23 中铁六局集团有限公司 Steel and concrete combined box girder concrete wing plate formwork and construction method
CN103362069B (en) * 2013-07-31 2015-07-08 中铁六局集团有限公司 Steel and concrete combined box girder concrete wing plate formwork and construction method
CN103952979A (en) * 2014-05-05 2014-07-30 宁波市政工程建设集团股份有限公司 Bracket-free construction device and construction method for steel-concrete superposed beam top plate
CN103952979B (en) * 2014-05-05 2015-09-09 宁波市政工程建设集团股份有限公司 A kind of steel concrete superposed beam top board erection without scaffolding device and construction method
CN106223202A (en) * 2016-08-24 2016-12-14 中铁六局集团有限公司 2209 beam flange plate cast-in-situ construction methods
CN106223202B (en) * 2016-08-24 2018-06-19 中铁六局集团有限公司 2209 beam flange plate cast-in-situ construction methods
CN109440724A (en) * 2018-11-21 2019-03-08 安徽省交通航务工程有限公司 The installation method of the cast-in-place beam template suspention support system of long piled wharf

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