CN103362069A - Steel and concrete combined box girder concrete wing plate formwork and construction method - Google Patents
Steel and concrete combined box girder concrete wing plate formwork and construction method Download PDFInfo
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- CN103362069A CN103362069A CN2013103285431A CN201310328543A CN103362069A CN 103362069 A CN103362069 A CN 103362069A CN 2013103285431 A CN2013103285431 A CN 2013103285431A CN 201310328543 A CN201310328543 A CN 201310328543A CN 103362069 A CN103362069 A CN 103362069A
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Abstract
The invention discloses a steel and concrete combined box girder concrete wing plate formwork and a construction method. The formwork comprises a plurality of supporting cross beams, a plurality of supporting longitudinal beams, two supporting stand columns, 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. The steel and concrete combined box girder concrete wing plate formwork and the construction method have the beneficial effects that the steel cover plates are arranged on top plates of erected steel box girders for forming a formwork system with the steel box girders, so that the problems of road crossing construction and non-bracket construction are solved, in the specific construction, the installation can be completed only by manual operation without the matching of large-scale hoisting equipment, and the elevation of a die block can be very conveniently and precisely adjusted, so that the precision is high; and in addition, for wing plates of different sizes, only formwork equipment with different specifications is needed to be manufactured, the used formwork equipment materials are fewer and are all common structural steel for engineering, the processing difficulty is small, the use is simple, and the site construction use is facilitated, so that the construction period is shortened, and the construction cost is low.
Description
Technical field
The invention belongs to bridge construction auxiliary equipment technical field, particularly relate to a kind of steel reinforced concrete in conjunction with box beam concrete wing plate template and job practices.
Technical background
Along with the develop rapidly of bridge construction, steel reinforced concrete is of common occurrence in conjunction with the case beam.Wing plate be steel reinforced concrete in conjunction with the chief component of case beam, the wing plate template then becomes steel reinforced concrete in conjunction with the important component of box girder construction.Wing plate job practices commonly used is to adopt Support Method to set up door opening shape wing plate template system at main road to carry out construction operation at present.But this method needs the cooperation of crane, requiring simultaneously must have the place that meets lifting operation under the bridge, and lifting operation is larger to the traffic impact of road, also very high to the requirement of hoistman when accounting in addition the road lifting, therefore, in the situation that difficulty is chosen in the crane operation place under the bridge, the wing plate template is installed very difficulty.In addition, this job practices is for the larger main road of vehicle flowrate, and not only construction safety is difficult to guarantee, and because construction with brackets is installed and the striking cycle is longer, thereby cause construction cost to increase.Security risk was also larger when in addition, the method was carried out the wing plate construction.
Summary of the invention
In order to address the above problem, the object of the present invention 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 and job practices.
In order to achieve the above object, steel reinforced concrete provided by the invention comprises many supporting traverses, many support stringers, two be disbursed from the cost and expenses support column, many pull bars, a plurality of nut, multi-disc pad, many vertical stupefied, a plurality of steel deck-plate carriages and polylith steel deck-plate in conjunction with box beam concrete wing plate template; Wherein the two support columns of being disbursed from the cost and expenses are installed on the top board outer ledge of two steel case beams that set up along the vertically equidistantly symmetry of bridge, and the upper end end face is provided with steel plate, and is horizontally installed with a support stringer identical with the support post orientation on the steel plate; Many supporting traverses are installed in the top of support stringer along the laterally equidistant level of bridge; The steel deck-plate carriage is rod shaped structure, and the 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 carriage, and the bill on the hook is inside; Steel deck-plate one end as bed die places on the top board outer ledge of a slice steel case beam, and the other end places on the hook with a plurality of steel deck-plate carriages of this steel case beam the same side; Be positioned on the top of many supporting traverses position directly over the steel deck-plate arrange at least two vertical stupefied; Pull bar vertically runs through vertical stupefied and supporting traverse setting, and the lower end is connected on the steel deck-plate, and the upper end utilizes pad and nut to fix.
Welding manner is all adopted in being connected between steel plate, supporting traverse and the support stringer on top board, support stringer and the support post end face of described support post and steel case beam.
Described support post, support stringer and supporting traverse are made by two channel-section steels weld side by side.
Steel reinforced concrete provided by the invention comprises the following step that carries out in order in conjunction with box beam concrete wing plate template construction method:
1) at first along bridge vertical symmetrical the two support columns of being disbursed from the cost and expenses are installed on the top board outer ledge of two steel case beams that set up, the lower end is welded on the top board of steel case beam, and at the upper end end face steel plate is set;
2) at a support stringer identical with the support post orientation of steel plate installation of whenever being disbursed from the cost and expenses and supportting the column end face, the lower end is welded on the support post;
3) along the laterally equidistant level of bridge many supporting traverses are installed at the top of support stringer, the lower end is welded on the support stringer;
4) utilize respectively coupling bolt to be connected with the middle part of a steel deck-plate carriage at the two ends of every supporting traverse, and the bill of linking up with on the steel deck-plate carriage is inside;
5) end with steel deck-plate places on the top board outer ledge of a slice steel case beam, and the other end places on the hook with a plurality of steel deck-plate carriages of this steel case beam the same side, so that steel deck-plate is temporary fixed;
6) at least two of the settings of the position directly over the top of many supporting traverses is positioned at steel deck-plate are vertical stupefied, then pull bar run through simultaneously vertical stupefied and supporting traverse, and its lower end is connected on the steel deck-plate;
7) utilize the mode of rotating rod to regulate the absolute altitude of steel deck-plate, after the absolute altitude adjustment is finished the upper end of pull bar utilized pad and nut be fixed on vertical stupefied on;
8) the top board contact position with steel deck-plate and steel case beam is welded and fixed, and makes thus steel reinforced concrete in conjunction with box beam concrete wing plate template;
9) colligation concrete flange plate reinforcing bar and fluid concrete in the last space above steel deck-plate, after concrete reaches design strength, namely form concrete flange plate, remove this steel reinforced concrete according to the opposite order of above-mentioned steps at last and can finish work progress in conjunction with box beam concrete wing plate template.
Described support post, support stringer and supporting traverse all adopt two No. 20 channel-section steels to weld together side by side and consist of; Vertical No. 10 channel-section steels of stupefied employing; Pull bar adopts No. 20 fining twisted steels.
Steel reinforced concrete provided by the invention is at the steel case back plate that has set up steel deck-plate to be set in conjunction with box beam concrete wing plate template and job practices, make steel deck-plate and steel case beam form template system, not only can solve the problem of striding road construction erection without scaffolding, and in Specific construction, need not Large-scale Hoisting equipment cooperates, only need manually-operated can finish installation, and can very convenient, accurately regulate the 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 engineering structural iron commonly used, 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.
Description of drawings
Fig. 1 is that steel reinforced concrete provided by the invention is in conjunction with box beam concrete wing plate formwork structure elevation.
Fig. 2 is that steel reinforced concrete provided by the invention is in conjunction with box beam concrete wing plate formwork structure plan view.
The specific embodiment
Below in conjunction with the drawings and specific embodiments steel reinforced concrete provided by the invention is elaborated in conjunction with box beam concrete wing plate template and job practices.
Now describe as an example of certain engineering example: this project is positioned at the 5th ring road in Beijing top, in the middle of the plum city mouth road bridge, adopts the 36m steel reinforced concrete in conjunction with the case beam.Because stride the fifth ring road construction on the case beam, work progress is subjected to the impact of fifth ring road up train, the difficulty of construction of concrete flange plate is very large, considers during construction that the wing plate bed die adopts the steel form form of not tearing open, reduces to stride the difficulty of fifth ring road construction with this.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.
Such as Fig. 1-shown in Figure 2, steel reinforced concrete provided by the invention in conjunction with box beam concrete wing plate template comprise are disbursed from the cost and expenses many supporting traverses 1, many support stringers 2, two support column 3, many pull bars 4, a plurality of nut 5, multi-disc pad 6, many are vertical stupefied 7, a plurality of steel deck-plate carriage 8 and polylith steel deck-plate 10; Wherein the two support columns 3 of being disbursed from the cost and expenses are installed on the top board outer ledge of two steel case beams 11 that set up along the vertically equidistantly symmetry of bridge, the upper end end face is provided with steel plate, and is horizontally installed with a support stringer 2 identical with support post 3 orientations on the steel plate; Many supporting traverses 1 are installed in the top of support stringer 2 along the laterally equidistant level of bridge; Steel deck-plate carriage 8 is rod shaped structure, and the 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 carriage 8, and the bill of linking up with on 12 is inside; Steel deck-plate 10 1 ends as bed die place on the top board outer ledge of a slice steel case beam 11, and the other end places on the hook 12 with a plurality of steel deck-plate carriages 8 of these steel case beam 11 the same sides; The position that is positioned on the top of many supporting traverses 1 directly over the 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 the lower end is connected on the steel deck-plate 10, the upper end utilizes pad 6 and nut 5 fixing.
Welding manner is all adopted in being connected between steel plate, supporting traverse 1 and the 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.
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 the described adjacent supports crossbeam 1 is 1.250m.
Steel reinforced concrete provided by the invention comprises the following step that carries out in order in conjunction with box beam concrete wing plate template construction method:
1) at first on the top board outer ledge of two steel case beams 11 that set up, along bridge vertical symmetrical the two support columns 3 of being disbursed from the cost and expenses is installed, support post 3 adopts two No. 20 channel-section steels to weld together side by side and consist of, the lower end is welded on the top board of steel case beam 11, and at the upper end end face steel plate is set;
2) level is installed a support stringer 2 identical with support post 3 orientations on the steel plate of support column 3 end faces of whenever being disbursed from the cost and expenses, and support stringer 2 adopts two No. 20 channel-section steels to weld together side by side and consist of, and the lower end is welded on the support post 3;
3) along the laterally equidistant level of bridge many supporting traverses 1 are installed at the top of support stringer 2, supporting traverse 1 adopts two No. 20 channel-section steels to weld together side by side and consist of, and the lower end is welded on the support stringer 2, and the distance between the adjacent supports crossbeam 1 is 1.250m;
4) utilize respectively coupling bolt 9 to be connected with the middle part of a steel deck-plate carriage 8 at the two ends of every supporting traverse 1, and the bill of hook 12 is inside on the steel deck-plate carriage 8;
5) end with steel deck-plate 10 places on the top board outer ledge of a slice steel case beam 11, and the other end places on the hook 12 with a plurality of steel deck-plate carriages 8 of these steel case beam 11 the same sides, so that steel deck-plate 10 is temporary fixed;
6) position directly over the top of many supporting traverses 1 is positioned at 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 vertical stupefied 7 and supporting traverse 1, pull bar 4 adopts No. 20 fining twisted steels, and its lower end is connected on the steel deck-plate 10;
7) utilize the mode of rotating rod 4 to regulate the absolute altitude of steel deck-plate 10, the upper end with pull bar 4 after the absolute altitude adjustment is finished utilizes pad 6 and nut 5 to be fixed on vertical stupefied 7;
8) the top board contact position of steel deck-plate 10 with steel case beam 11 is welded and fixed, makes thus steel reinforced concrete in conjunction with box beam concrete wing plate template;
9) colligation concrete flange plate reinforcing bar and fluid concrete in the last space above steel deck-plate 10, after concrete reaches design strength, namely form concrete flange plate, remove this steel reinforced concrete according to the opposite order of above-mentioned steps at last and can finish whole work progress in conjunction with box beam concrete wing plate template.
Claims (6)
1. a steel reinforced concrete is characterized in that in conjunction with box beam concrete wing plate template: described steel reinforced concrete comprises many supporting traverses (1), many support stringers (2), two be disbursed from the cost and expenses support column (3), many pull bars (4), a plurality of nut (5), multi-disc pad (6), many vertical stupefied (7), a plurality of steel deck-plate carriage (8) and polylith steel deck-plates (10) in conjunction with box beam concrete wing plate template; Wherein the two support columns (3) of being disbursed from the cost and expenses are installed on the top board outer ledge of two steel case beams (11) that set up along the vertically equidistantly symmetry of bridge, the upper end end face is provided with steel plate, and is horizontally installed with a support stringer (2) identical with support post (3) orientation on the steel plate; Many supporting traverses (1) are installed in the top of support stringer (2) along the laterally equidistant level of bridge; Steel deck-plate carriage (8) is rod shaped structure, and the 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 carriage (8), and the bill on the hook (12) is inside; Steel deck-plate (10) one ends as bed die place on the top board outer ledge of a slice steel case beam (11), and the other end places on the hook (12) with a plurality of steel deck-plate carriages (8) of this steel case beam (11) the same side; The position that is positioned on the top of many supporting traverses (1) directly over the 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 the lower end is connected on the steel deck-plate (10), and the upper end utilizes pad (6) and nut (5) to fix.
2. steel reinforced concrete according to claim 1 is characterized in that in conjunction with box beam concrete wing plate template: being connected between steel plate, supporting traverse (1) and the 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) adopted welding manner.
3. steel reinforced concrete according to claim 1 is characterized in that in conjunction with box beam concrete wing plate template: 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 is characterized in that in conjunction with box beam concrete wing plate template equipment: the distance between the described adjacent supports crossbeam (1) is 1.250m.
5. a steel reinforced concrete as claimed in claim 1 is in conjunction with the job practices of box beam concrete wing plate template, and it is characterized in that: described job practices comprises the following step that carries out in order:
1) at first along bridge vertical symmetrical the two support columns (3) of being disbursed from the cost and expenses are installed on the top board outer ledge of two steel case beams (11) that set up, the lower end is welded on the top board of steel case beam (11), and at the upper end end face steel plate is set;
2) level is installed a support stringer (2) identical with support post (3) orientation on the steel plate of support column (3) end face of whenever being disbursed from the cost and expenses, and the lower end is welded on the support post (3);
3) along the transverse horizontal of bridge many supporting traverses (1) are installed equidistantly at the top of support stringer (2), the lower end is welded on the support stringer (2);
4) utilize respectively coupling bolt (9) to be connected with the middle part of a steel deck-plate carriage (8) at the two ends of every supporting traverse (1), and the bill of the upper hook of steel deck-plate carriage (8) (12) is inside;
5) end with steel deck-plate (10) places on the top board outer ledge of a slice steel case beam (11), and the other end places on the hook (12) with a plurality of steel deck-plate carriages (8) of this steel case beam (11) the same side, so that steel deck-plate (10) is temporary fixed;
6) position directly over the top of many supporting traverses (1) is positioned at steel deck-plate (10) arranges at least two vertical stupefied (7), then pull bar (4) is run through simultaneously vertical stupefied (7) and supporting traverse (1), and its lower end is connected on the steel deck-plate (10);
7) utilize the mode of rotating rod (4) to regulate the absolute altitude of steel deck-plate (10), the upper end with pull bar (4) after the absolute altitude adjustment is finished utilizes pad (6) and nut (5) to be fixed on vertical stupefied (7);
8) the top board contact position of steel deck-plate (10) with steel case beam (11) is welded and fixed, makes thus steel reinforced concrete in conjunction with box beam concrete wing plate template;
9) at last colligation concrete flange plate reinforcing bar and fluid concrete in the space of steel deck-plate (10) top, after concrete reaches design strength, namely form concrete flange plate, remove this steel reinforced concrete according to the opposite order of above-mentioned steps at last and can finish whole work progress in conjunction with box beam concrete wing plate template.
6. job practices according to claim 5, it is characterized in that: described support post (3), support stringer (2) and supporting traverse (1) all adopt two No. 20 channel-section steels to weld together side by side and consist of; Vertical stupefied (7) adopt No. 10 channel-section steels; Pull bar (4) adopts No. 20 fining twisted steels.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846597A (en) * | 2014-01-27 | 2014-06-11 | 中铁宝桥集团有限公司 | Integral assembling and welding device for mobile type steel box girder segments and adjusting method |
| CN106677068A (en) * | 2016-12-26 | 2017-05-17 | 中铁十九局集团第工程有限公司 | Construction method capable of preventing hollowing at box girder support plate |
| CN106758743A (en) * | 2017-02-28 | 2017-05-31 | 浙江大学 | It is a kind of to improve the method that steel reinforced concrete combines many case continuous bridge hogging moment area stress performances |
| CN110700112A (en) * | 2019-10-31 | 2020-01-17 | 广西路建工程集团有限公司 | Movable formwork for concrete construction of overhanging wing plate of steel-concrete composite beam and construction method |
| CN110983987A (en) * | 2019-12-24 | 2020-04-10 | 德州市公路工程总公司 | Construction method of steel-concrete combined beam |
| CN112411390A (en) * | 2020-11-30 | 2021-02-26 | 中交路桥建设有限公司 | Concrete bracket for bridge deck of steel-concrete composite beam and construction method thereof |
| CN114232502A (en) * | 2022-01-18 | 2022-03-25 | 中铁十四局集团第三工程有限公司 | Self-propelled sliding formwork truss and using method thereof |
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| CN203475310U (en) * | 2013-07-31 | 2014-03-12 | 中铁六局集团有限公司 | Formwork for concrete slabs of composite steel-concrete box girders |
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| JP2000087316A (en) * | 1998-09-10 | 2000-03-28 | Gifu Kogyo Kk | Method and device for construction of floor slab |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846597A (en) * | 2014-01-27 | 2014-06-11 | 中铁宝桥集团有限公司 | Integral assembling and welding device for mobile type steel box girder segments and adjusting method |
| CN103846597B (en) * | 2014-01-27 | 2017-01-04 | 中铁宝桥集团有限公司 | Movable steel box girder segment integral assembling and welding equipment and adjusting method |
| CN106677068A (en) * | 2016-12-26 | 2017-05-17 | 中铁十九局集团第工程有限公司 | Construction method capable of preventing hollowing at box girder support plate |
| CN106758743A (en) * | 2017-02-28 | 2017-05-31 | 浙江大学 | It is a kind of to improve the method that steel reinforced concrete combines many case continuous bridge hogging moment area stress performances |
| CN110700112A (en) * | 2019-10-31 | 2020-01-17 | 广西路建工程集团有限公司 | Movable formwork for concrete construction of overhanging wing plate of steel-concrete composite beam and construction method |
| CN110983987A (en) * | 2019-12-24 | 2020-04-10 | 德州市公路工程总公司 | Construction method of steel-concrete combined beam |
| CN110983987B (en) * | 2019-12-24 | 2021-07-13 | 德州市公路工程总公司 | Construction method of steel-concrete combined beam |
| CN112411390A (en) * | 2020-11-30 | 2021-02-26 | 中交路桥建设有限公司 | Concrete bracket for bridge deck of steel-concrete composite beam and construction method thereof |
| CN114232502A (en) * | 2022-01-18 | 2022-03-25 | 中铁十四局集团第三工程有限公司 | Self-propelled sliding formwork truss and using method thereof |
| CN114232502B (en) * | 2022-01-18 | 2023-09-29 | 中铁十四局集团第三工程有限公司 | Self-propelled sliding template truss and use method thereof |
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| CN103362069B (en) | 2015-07-08 |
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