CN114622487B - Construction method of quick-release curve superposed beam flange plate formwork structure - Google Patents
Construction method of quick-release curve superposed beam flange plate formwork structure Download PDFInfo
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- CN114622487B CN114622487B CN202210136925.3A CN202210136925A CN114622487B CN 114622487 B CN114622487 B CN 114622487B CN 202210136925 A CN202210136925 A CN 202210136925A CN 114622487 B CN114622487 B CN 114622487B
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- superposed beam
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The invention discloses a construction method of a quick-release curve superposed beam flange plate formwork structure, which comprises the following steps: the steel box girder is moved to a design position; the assembly of the die carrier structure is completed, and the die carrier structure comprises an adjustable bottom bracket, a tray buckle bracket, an adjustable top bracket and a standardized template module which are sequentially arranged from bottom to top; translating the die carrier structure to the outer side of the steel box girder below the flange of the bridge deck to be poured; sequentially adjusting the arrangement azimuth of each die frame structure according to the line type of the curve superposed beam, and embedding and connecting the fan-shaped die plate modules between the adjacent standardized die plate modules; adjusting the standardized template module and the sector template module to a designed height position by utilizing an adjustable jacking; and pouring the bridge deck slab under the bearing of the die carrier structure. The invention has the advantages that: the standardized template module is a standard universal piece and can be recycled; the fan-shaped template module can adjust curve line type, and the upper steel plate and the lower steel plate hinged on the fan-shaped bamboo plywood can form a slot for connection.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a construction method of a quick-release curve superposed beam flange plate formwork structure.
Background
With the high-speed development of the economy in China, the investment on the infrastructure construction is larger and larger. In bridge construction, the laminated girder bridge becomes a structure frequently used by engineering technicians because of good stress performance and full utilization of materials. The back field of the superposed beam is manufactured by carrying out back field superposition on the cast-in-situ bridge deck above the steel beam and then transferring the superposed beam to a construction site for erection of the superposed beam, wherein the formwork system for cast-in-situ operation of the bridge flange plate often has the construction problems of complex disassembly, difficult transportation, large material consumption and the like, and in addition, the curve bridge superposed beam has different cantilever plate widths, larger dimensional change and difficult control of the bridge deck line shape during cast-in-situ because of linear relation.
Disclosure of Invention
According to the defects of the prior art, the invention provides a construction method of a quick-dismantling curve superposed beam flange plate formwork structure, which is used for adapting to curve line types of a bridge by combining a standardized template module and a sector template module, and is adapted to various line types of the bridge by a plate buckle bracket and an adjustable jacking arranged on the plate buckle bracket.
The invention is realized by the following technical scheme:
the construction method of the quick-dismantling curve superposed beam flange plate formwork structure is characterized by comprising the following steps of:
(1) The steel box girder of the curve superposed girder to be poured is moved to a design position;
(2) The method comprises the steps of completing the assembly of a die carrier structure, wherein the die carrier structure comprises a tray buckle support, an adjustable bottom support, an adjustable top support and a standardized template module, the adjustable bottom support and the adjustable top support are respectively arranged at the bottom and the top of the tray buckle support, a vertically adjustable universal wheel is further arranged above the adjustable bottom support, and the standardized template module is arranged on the adjustable top support in a supporting mode;
(3) The universal wheels at the bottom of the plate buckle support are downwards adjusted to enable the universal wheels to land, and the die frame structure is translated to the position below the flange of the bridge deck to be poured of the curve superposed beam and the outer side of the steel box beam;
(4) Sequentially adjusting the arrangement azimuth of the die frame structures according to the line type of the curve superposed beam, embedding and connecting fan-shaped template modules between the adjacent standardized template modules, and filling and arranging a cutting board between the top plate of the steel box girder and the standardized template modules;
(5) The universal wheels are adjusted upwards so that the adjustable bottom brackets are supported on the ground, and the standardized template module and the sector template module are adjusted to a designed height position by utilizing the adjustable top brackets;
(6) And pouring the bridge deck plate under the bearing of the die carrier structure.
After pouring and maintenance of the bridge deck are completed, the adjustable jacking is controlled to descend so that the upper surfaces of the standardized template module and the sector template module are separated from the lower surface of the bridge deck to complete demolding, the universal wheels are adjusted downwards to replace the adjustable jacking to land, and the adjustable jacking is moved away from the next working surface in a translation mode to perform operation.
The adjustable collet is fixed at the bottom of the disc buckle support, a sleeve is arranged at the upper part of the universal wheel, and the universal wheel is rotatably assembled with the disc buckle support through the sleeve
The adjustable jacking is a hydraulic jack.
The standardized template module comprises a square steel truss, square wood grids and rectangular bamboo plywood which are sequentially arranged from bottom to top, wherein the square wood grids are formed by combining longitudinal square wood and transverse square wood.
The main body of the sector template module is a sector bamboo plywood, the upper surface and the lower surface of each side edge part of the sector bamboo plywood are respectively hinged with an upper steel plate and a lower steel plate, and the method for embedding the sector template module between the adjacent standardized template modules and connecting the sector template modules is as follows: and simultaneously and outwards rotating and adjusting the upper steel plate and the lower steel plate on the two side edge parts of the fan-shaped bamboo plywood so that the upper steel plate and the lower steel plate form slots, and embedding the fan-shaped bamboo plywood on the rectangular bamboo plywood of the adjacent standardized template module by utilizing the slots on the two sides.
Each tray buckle bracket is formed by connecting at least five brackets through a cross rod.
The invention has the advantages that:
(1) The tray buckle bracket is used as a support, the tray buckle bracket or the steel frame is a shaping product, the adjustable jacking is convenient to drop, the installation and the disassembly and the material turnover are convenient, and the construction efficiency is improved;
(2) The coil buckle bracket or the steel frame can adapt to various line types of bridges, including curves, and solves the problem of non-uniform cantilever plate width of the outer edge of a cantilever plate of a curved box girder bridge caused by inconsistent curve line types;
(3) The template system is divided into a universal template and a sector template, the universal template can be recycled, the sector template can adjust curve line type, the cost is saved, and the construction efficiency is improved;
(4) The universal wheels are arranged at the bottom, so that the movement and the cyclic operation of the bracket system can be performed, and the working efficiency is improved;
(5) The bracket system is provided with a plurality of segments, the bracket and the template are made into a standardized formwork system component, and the recycling efficiency of the bracket and the template is enhanced;
(6) In the sector template module, the rotatable upper steel plate and the rotatable lower steel plate are arranged at the two side edge parts of the sector bamboo plywood to form the slot convenient for rapid embedding, and the rotatable steel plates can adapt to curve bridges with different curve diameters, so that the adjustable universal piece can be used as an adjustable universal piece.
Drawings
FIG. 1 is an elevational view of a quick release curvilinear composite beam flange plate frame structure in accordance with the present invention;
FIG. 2 is a cross-sectional view of a quick release curvilinear composite beam flange plate frame construction in accordance with the present invention;
FIG. 3 is an enlarged partial schematic view of an adjustable shoe of the present invention;
FIG. 4 is a diagram of a square wood grid layout within a standardized template module of the present invention;
FIG. 5 is a schematic plan view of a standardized template module and a fanning template module according to the present invention;
FIG. 6 is a partial large sample of the connection of the standardized template module to the sector template module in the present invention;
FIG. 7 is a plan view of a sector plate module of the present invention;
fig. 8 is an elevational view of a sector plate module of the present invention.
Detailed Description
The features of the present invention and other related features are described in further detail below by way of example in conjunction with the following drawings, to facilitate understanding by those skilled in the art:
as shown in fig. 1-8, the labels in the figures are respectively: the plate buckle comprises a plate buckle bracket 1, an adjustable bottom bracket 2, universal wheels 3, an adjustable top bracket 4, a square steel truss 5, square timber grids 6, longitudinal square timber 6a, transverse square timber 6b, a bamboo plywood 7, guardrails 8, bridge decks 9, steel box girders 10, standardized template modules 11, sector template modules 12, a matched cutting plate 13, an upper steel plate 14, a lower steel plate 15 and pin shafts 16.
Examples: as shown in fig. 1-8, the embodiment specifically relates to a construction method of a quick-release curve superposed beam flange plate formwork structure, which comprises the following steps:
(1) As shown in fig. 2, the steel box girder 10 of the curved composite girder to be poured is transferred to a design position.
(2) As shown in fig. 1-6, the assembly of the mold frame structure is performed, which comprises a tray buckle bracket 1, an adjustable bottom bracket 2, a universal wheel 3, an adjustable top bracket 4 and a standardized template module 11, wherein the adjustable bottom bracket 2 and the universal wheel 3 are arranged at the bottom of the tray buckle bracket 1, the adjustable top bracket 4 is arranged at the top of the tray buckle bracket 1, and the standardized template module 11 is erected on the adjustable top bracket 4.
The disc buckle bracket 1 is composed of a plurality of sections, and each section is formed by connecting at least five brackets through a cross rod to form a whole. Of course, the tray buckle bracket 1 can also be replaced by a steel frame. As shown in fig. 3, the adjustable collet 2 is fixed at the bottom of the tray buckle bracket 1, the universal wheel 3 is further arranged above the adjustable collet 2, the universal wheel 3 and the bottom of the tray buckle bracket 1 are assembled in an up-down adjustable manner, specifically, a sleeve is arranged at the upper part of the universal wheel 3 and sleeved on a bottom pipe fitting of the tray buckle bracket 1, and the sleeve form spiral fit, so that the adjustment of the universal wheel 3 in the vertical direction is realized, and in addition, a fixed locking piece is further arranged. During the process of moving the disc buckle support 1 to the designed position or after pouring is completed, vertically adjusting the universal wheel 3 to land so as to facilitate the translation of the disc buckle support 1; when pouring, the universal wheel 3 is adjusted upwards to be suspended and fixed on the disc buckle support 1, so that the adjustable collet 2 plays a role of fixing and supporting. The adjustable jacking 4 is fixedly installed on the tray buckle bracket 1, the four corners of the top of the five-truss bracket are respectively provided with the adjustable jacking 4, the adjustable jacking 4 can be a hydraulic jack or a drop device (drop sand box), and the adjustable jacking 4 in the embodiment adopts the hydraulic jack so as to freely control the upward jacking or the downward drop.
The standardized template module 11 comprises a square steel truss 5, square wood grids 6 and a bamboo plywood 7 which are sequentially arranged from bottom to top, the square steel truss 5 can be subjected to size adjustment according to the line type of the bridge deck 9, the square wood grids 6 are formed by combining longitudinal square wood 6a and transverse square wood 6b, the bamboo plywood 7 is rectangular, and the periphery of the bamboo plywood 7 is also provided with a guardrail 8. The standardized template module 11 is manufactured, produced, and used according to a standardized universal part.
(3) The universal wheel 3 at the bottom of the tray buckle bracket 1 is adjusted downwards so that the universal wheel 3 is grounded, and the die carrier structure is translated to the outside of the steel box girder 10 below the flange of the bridge deck 9 to be poured of the curve superposed girder.
(4) The arrangement azimuth of each die frame structure is sequentially adjusted according to the line shape of the curve superposed beam, a sector template module 12 is embedded between the adjacent standardized template modules 11 and connected, and a matched cutting plate 13 is filled between the top plate of the steel box girder 10 and the standardized template modules 11; the sector template module 12 is used for adjusting the line type of the curve superposed beam. As shown in fig. 7 and 8, the main body of the fan-shaped template module 12 is a fan-shaped bamboo plywood 7, two side edges of the fan-shaped bamboo plywood 7 are respectively provided with an upper steel plate 14 and a lower steel plate 15, and the upper steel plate 14 and the lower steel plate are respectively arranged on the upper surface and the lower surface of the fan-shaped bamboo plywood 7 and are hinged and fixed through a pin 16; in the use process, on one hand, the upper steel plate 14 and the lower steel plate 15 are rotated to form slots at the two side edges of the fan-shaped bamboo plywood 7, so that the bamboo plywood in the standardized template module 11 is conveniently connected in an embedded manner; on the other hand, the curve line shape of the bridge is changed everywhere, and the fan-shaped bamboo plywood 7 cannot be made into standard parts to meet the curve line shape of each place, so that the suitability of the fan-shaped bamboo plywood 7 can be increased and the application range can be increased by controlling the rotation amplitude of the upper steel plate 14 and the lower steel plate 15.
(5) The universal wheels 3 are adjusted upwards to enable the adjustable bottom support 2 to be supported on the ground, and the adjustable top support 4 is used for adjusting the standardized template module 11 and the sector template module 12 to the designed height position.
(6) Pouring of the bridge deck 9 is completed under the support of the formwork structure. After pouring and maintenance of the bridge deck 9 are completed, the adjustable jacking 4 is controlled to descend so that the upper surfaces of the standardized template module 11 and the sector template module 12 are separated from the lower surface of the bridge deck 9 to complete demoulding, the universal wheels 3 are lowered to replace the adjustable jacking 2 to land, and the adjustable jacking is translated away to the next working surface to carry out operation.
The beneficial effects of this embodiment are:
(1) The tray buckle bracket is used as a support, the tray buckle bracket or the steel frame is a shaping product, the adjustable jacking is convenient to drop, the installation and the disassembly and the material turnover are convenient, and the construction efficiency is improved;
(2) The coil buckle bracket or the steel frame can adapt to various line types of bridges, including curves, and solves the problem of non-uniform cantilever plate width of the outer edge of a cantilever plate of a curved box girder bridge caused by inconsistent curve line types;
(3) The template system is divided into a universal template and a sector template, the universal template can be recycled, the sector template can adjust curve line type, the cost is saved, and the construction efficiency is improved;
(4) The universal wheels are arranged at the bottom, so that the movement and the cyclic operation of the bracket system can be performed, and the working efficiency is improved;
(5) The bracket system is provided with a plurality of segments, the bracket and the template are made into a standardized formwork system component, and the recycling efficiency of the bracket and the template is enhanced;
(6) In the sector template module, the rotatable upper steel plate and the rotatable lower steel plate are arranged at the two side edge parts of the sector bamboo plywood to form the slot convenient for rapid embedding, and the rotatable steel plates can adapt to curve bridges with different curve diameters, so that the adjustable universal piece can be used as an adjustable universal piece.
Claims (5)
1. The construction method of the quick-dismantling curve superposed beam flange plate formwork structure is characterized by comprising the following steps of:
(1) The steel box girder of the curve superposed girder to be poured is moved to a design position;
(2) The method comprises the steps of completing the assembly of a die carrier structure, wherein the die carrier structure comprises a tray buckle support, an adjustable bottom support, an adjustable top support and a standardized template module, the adjustable bottom support and the adjustable top support are respectively arranged at the bottom and the top of the tray buckle support, a vertically adjustable universal wheel is further arranged above the adjustable bottom support, and the standardized template module is arranged on the adjustable top support in a supporting mode;
the standardized template module comprises a square steel truss, square wood grids and rectangular bamboo plywood which are sequentially arranged from bottom to top, wherein the square wood grids are formed by combining longitudinal square wood and transverse square wood;
(3) The universal wheels at the bottom of the plate buckle support are downwards adjusted to enable the universal wheels to land, and the die frame structure is translated to the position below the flange of the bridge deck to be poured of the curve superposed beam and the outer side of the steel box beam;
(4) Sequentially adjusting the arrangement azimuth of the die frame structures according to the line type of the curve superposed beam, embedding and connecting fan-shaped template modules between the adjacent standardized template modules, and filling and arranging a cutting board between the top plate of the steel box girder and the standardized template modules;
the main body of the fan-shaped template module is a fan-shaped bamboo plywood, the upper surface and the lower surface of each side edge part of the fan-shaped bamboo plywood are respectively hinged with an upper steel plate and a lower steel plate, and the fan-shaped template module is embedded between the adjacent standardized template modules and connected by the method that: simultaneously and outwards rotating and adjusting the upper steel plate and the lower steel plate on the two side edge parts of the fan-shaped bamboo plywood so as to enable the upper steel plate and the lower steel plate to form slots, and embedding the fan-shaped bamboo plywood on the rectangular bamboo plywood of the adjacent standardized template module by utilizing the slots on the two sides;
(5) The universal wheels are adjusted upwards so that the adjustable bottom brackets are supported on the ground, and the standardized template module and the sector template module are adjusted to a designed height position by utilizing the adjustable top brackets;
(6) And pouring the bridge deck plate under the bearing of the die carrier structure.
2. The construction method of the quick-release curve superposed beam flange plate formwork structure according to claim 1, characterized in that after pouring and maintenance of the bridge deck are completed, the adjustable jacking is controlled to descend so that the upper surfaces of the standardized template module and the sector template module are separated from the lower surface of the bridge deck to complete demoulding, the universal wheels are adjusted downwards to replace the adjustable jacking to land, and the universal wheels are translated away to the next working surface to perform operation.
3. The construction method of the quick-release curve superposed beam flange plate formwork structure is characterized in that the adjustable collet is fixed at the bottom of the disc buckle support, a sleeve is arranged at the upper part of the universal wheel, and the universal wheel is rotatably assembled with the disc buckle support through the sleeve.
4. The construction method of the quick-release curve superposed beam flange plate formwork structure is characterized in that the adjustable jacking is a hydraulic jack.
5. The construction method of the quick-release curve superposed beam flange plate formwork structure according to claim 1, wherein each tray buckle bracket is formed by connecting at least five brackets through a cross rod.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210136925.3A CN114622487B (en) | 2022-02-15 | 2022-02-15 | Construction method of quick-release curve superposed beam flange plate formwork structure |
| PCT/CN2022/133496 WO2023155522A1 (en) | 2022-02-15 | 2022-11-22 | Construction method for quick-release curved superimposed beam flange plate framework structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210136925.3A CN114622487B (en) | 2022-02-15 | 2022-02-15 | Construction method of quick-release curve superposed beam flange plate formwork structure |
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| Publication Number | Publication Date |
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| CN114622487A CN114622487A (en) | 2022-06-14 |
| CN114622487B true CN114622487B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210136925.3A Active CN114622487B (en) | 2022-02-15 | 2022-02-15 | Construction method of quick-release curve superposed beam flange plate formwork structure |
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| Country | Link |
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| CN (1) | CN114622487B (en) |
| WO (1) | WO2023155522A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114622487B (en) * | 2022-02-15 | 2023-05-09 | 中铁十五局集团有限公司 | Construction method of quick-release curve superposed beam flange plate formwork structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010189918A (en) * | 2009-02-18 | 2010-09-02 | Aen:Kk | Form for floor slab and floor slab construction method |
| FI123603B (en) * | 2012-01-13 | 2013-08-15 | Risto Kulmala | Method and equipment for the construction of an on-site bridge to be cast |
| CN202359507U (en) * | 2012-02-10 | 2012-08-01 | 中铁七局集团武汉工程有限公司 | Diagonal bracing line type adjustable curve bridge flange plate formwork |
| CN103774558B (en) * | 2014-01-22 | 2015-08-05 | 中国公路工程咨询集团有限公司（武汉）建设分公司 | A kind of automatic walking type mobile formwork for bridge construction |
| CN207362703U (en) * | 2017-05-12 | 2018-05-15 | 宏润建设集团股份有限公司 | Box beam steel and wood composite template |
| CN208587165U (en) * | 2018-07-24 | 2019-03-08 | 中铁十二局集团第三工程有限公司 | S type curve generalization piping lane construction trolley |
| CN109837838A (en) * | 2019-03-09 | 2019-06-04 | 北京市市政二建设工程有限责任公司 | A kind of construction method of steel reinforced concrete box beam |
| CN210975555U (en) * | 2019-08-01 | 2020-07-10 | 中铁十四局集团第三工程有限公司 | Construction work platform |
| CN210916968U (en) * | 2019-08-30 | 2020-07-03 | 武汉乾威钢结构有限公司 | Cast-in-place box girder supporting structure |
| 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 |
| CN212956151U (en) * | 2020-07-20 | 2021-04-13 | 广西路桥工程集团有限公司 | Cast-in-place beam flange plate template system |
| CN213296088U (en) * | 2020-09-09 | 2021-05-28 | 中电建路桥集团有限公司 | Cast-in-place box girder support for crossing high-pressure pipeline |
| CN112832137A (en) * | 2021-01-07 | 2021-05-25 | 安徽省公路桥梁工程有限公司 | Steel box-concrete combined beam bridge deck formwork system and construction method |
| CN215055284U (en) * | 2021-04-19 | 2021-12-07 | 中建五局土木工程有限公司 | Integrally movable disk buckle type formwork system |
| CN215055319U (en) * | 2021-05-19 | 2021-12-07 | 中铁八局集团第二工程有限公司 | Adjustable arc section template of cast-in-place beam flange plate |
| CN215629458U (en) * | 2021-09-27 | 2022-01-25 | 广西航务建设工程有限公司 | Slidable cast-in-situ box girder wing plate template |
| CN216973145U (en) * | 2022-02-15 | 2022-07-15 | 中铁十五局集团有限公司 | Quick-release curve superposed beam flange plate mould frame structure |
| CN114622487B (en) * | 2022-02-15 | 2023-05-09 | 中铁十五局集团有限公司 | Construction method of quick-release curve superposed beam flange plate formwork structure |
-
2022
- 2022-02-15 CN CN202210136925.3A patent/CN114622487B/en active Active
- 2022-11-22 WO PCT/CN2022/133496 patent/WO2023155522A1/en unknown
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| WO2023155522A1 (en) | 2023-08-24 |
| CN114622487A (en) | 2022-06-14 |
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