CN108425323B - A kind of cast-in-place box beam assembled moving template - Google Patents

A kind of cast-in-place box beam assembled moving template Download PDF

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Publication number
CN108425323B
CN108425323B CN201810245807.XA CN201810245807A CN108425323B CN 108425323 B CN108425323 B CN 108425323B CN 201810245807 A CN201810245807 A CN 201810245807A CN 108425323 B CN108425323 B CN 108425323B
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China
Prior art keywords
external mold
support
template
bar
cast
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Active
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CN201810245807.XA
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Chinese (zh)
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CN108425323A (en
Inventor
宁世凯
赵健
胡利平
岳旭光
王洋
张克辉
邢天明
任海涛
谢润泽
张卓建
陈炎圻
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Middle Iron Is Built 4th Engineering Co Ltd Of Group Of Bridge Project Office
China Railway Construction Bridge Engineering Bureau Group Co Ltd
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Middle Iron Is Built 4th Engineering Co Ltd Of Group Of Bridge Project Office
China Railway Construction Bridge Engineering Bureau Group Co Ltd
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Priority to CN201810245807.XA priority Critical patent/CN108425323B/en
Publication of CN108425323A publication Critical patent/CN108425323A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/20Concrete, stone or stone-like material
    • E01D2101/24Concrete

Abstract

A kind of cast-in-place box beam assembled moving template is related to a kind of concrete box girder moving die plate.It is slower, the low problem of the precision of concreting that solve the installation of existing freely-supported beam forms, dismounting speed.Moving die plate includes template system, formwork bracing system, sliding system and support system;The template system includes external mold, bed die, angle mould and internal model;The formwork bracing system includes upper adjusting support, external mold support frame, internal model support rod and jack;The sliding system includes sliding joist, pulley and track;The support system includes falsework, slippage bracket, small distribution beam and big distribution beam.The structure of moving die plate of the invention is simple, and combination is split conveniently, can improve template utilization rate and improve cast-in-situ concrete beam construction efficiency and quality.The present invention is used for casting concrete box beam.

Description

A kind of cast-in-place box beam assembled moving template
Technical field
The present invention relates to a kind of concrete box girder moving die plates.
Background technique
When multispan concrete simply supported beam bridge is constructed using cast-in-place method one-piece casting, in order to save construction cost, template is most It is reused in the form of falling.However traditional freely-supported beam forms, since installation, dismounting speed are slower, precision is lower, makes Low at construction efficiency, the case history of concrete quality and line scale decline is commonplace.So traditional freely-supported beam form Plate can no longer meet the technology needs of modern bridge construction, and template quick-assembling, movement are current multispan simply supported beam concrete One of the technical issues of urgently being solved in bridge construction.
Summary of the invention
The present invention is to solve existing freely-supported beam forms to install, dismounting speed is slower, and the precision of concreting is low to ask Topic, provides a kind of cast-in-place box beam assembled moving template.
Cast-in-place box beam assembled moving template of the present invention includes template system, formwork bracing system, sliding system And support system;
The template system includes external mold, bed die, angle mould and internal model;
The formwork bracing system includes upper adjusting support, external mold support frame, internal model support rod and jack;
The sliding system includes sliding joist, pulley and track;
The support system includes falsework, slippage bracket, small distribution beam and big distribution beam;
The both sides external of external mold is respectively equipped with external mold support frame, the bottom difference of the two laterally outside sloping portion of external mold Equipped with template bearing beam, external mold support frame is supported by upper adjusting and is connect with template bearing beam, and the vertical portion and external mold of external mold support Frame bolt,
The external mold support frame is by inner support vertical bar, outer support bar, upper horizontal-associate bar, lower horizontal-associate bar, middle vertical supporting rod, diagonal brace Bar, middle singletree welding form, and horizontal-associate bar is wherein from top to bottom respectively equipped between inner support vertical bar and outer support bar under Horizontal-associate bar is also vertically arranged middle vertical supporting rod, sets between outer support bar and middle vertical supporting rod between upper horizontal-associate bar and lower horizontal-associate bar There is singletree at least one, middle singletree and hound are equipped between inner support vertical bar and middle vertical supporting rod, outer support bar Outer lower portion, which is additionally provided with, shores bracket;The inside of internal model is equipped with internal model support rod;
The bottom of the external mold support frame is equipped with sliding joist, is equipped at the top of the sliding joist and shores block, shores ox It is equipped with jack between leg and sliding joist, shores and is equipped with jack between block and outer support bar;
The sliding joist bottom symmetrical is equipped with pulley card slot, is arranged with pulley in pulley card slot,
Small distribution beam is arranged in the top of the slippage bracket, is welded with track, track and pulley at the top of the small distribution beam Position it is corresponding, be placed in pulley just on track;
The bottom of bed die is equipped with falsework, and the bottom of falsework and slippage bracket is equipped with big distribution beam.
It wherein shores bracket and is used to carry out external mold support frame vertical vertical tune with the jack being arranged between joist is slid Position.The jack that is arranged between block and outer support bar is shored for transversely and horizontally being transposed to external mold support frame and demoulding.
Further, the inside on the top of the inner support vertical bar is fixed with to drawing stringer, the lower part of inner support vertical bar Inside be fixed with it is lower to draw stringer;To drawing stringer to be made of upper and lower two opposite stringers on described, stayed between two stringers There is gap, described lower to drawing stringer to be made of upper and lower two opposite stringers, there are gaps between two stringers;
On pull rod is passed through to stringer, external mold and internal model is drawn, tightened by nut, external mold support frame and external mold consolidated It is fixed;Under to pull rod pass through it is lower tightened at the bottom chamfer for drawing stringer, external mold and bed die by nut, by external mold support frame and External mold is fixed.
Further, the sliding joist is fixed with pulley card slot spot welding.
Further, the pulley card slot is formed using steel plate butt welding.
Further, limit crossbeam is equipped between the track.Limit horizontal beam action be allow track keeping parallelism away from From constant.
Further, the sliding joist is internally located at setting above pulley card slot and reinforces stringer.Reinforce the work of stringer With being longitudinal reinforcement.
Further, the bed die is additionally provided with ribbed stiffener, and the spacing distance of adjacent ribbed stiffener is 500mm.The work of ribbed stiffener With being the rigidity for improving template, template deformation is prevented.
The working principle of the invention:
After beams of concrete pours, using jack with shore block realize external mold laterally with it is vertically movable, split external mold put down After shifting is opened, realize that external mold is walked in such a way that formwork-support bottom pulley and track are using artificial draw, wait run to down One Cast-in-situ Beam position carries out template translation combination using external mold support frame bottom jack, using support frame bottom jack Adjusting template precision.Using realizing that template is fixed to pull rod above and below, then poured next time, with this repetitive operation completion Celluar concrete beam pouring construction.The external mold support frame can use traction form to external mold support frame and installation by pulley External mold on external mold support frame carries out whole pull-alongs movement, to realize recycling.
Beneficial effects of the present invention:
The present invention proposes a kind of cast-in-place box beam assembled moving template, by installing pulley additional to formwork-support, Achievable entirety moves along the bridge, and efficiently, fast, has concrete beam mould board standardization composite assembly, recycling rate of waterused height etc. Advantage, effectively increases the construction efficiency of simply supported girder bridge, while standardizing integral cast-in-situ Combined formwork and can ensure structure lines Type, and improve concrete cast-in-situ and build quality, to increase economic efficiency.
Moving die plate of the present invention it is reasonable in design, the recycling rate of waterused of template is reinforced, improve template peace Dress, disassembly, mobile speed, improve the quality and linear precision of concreting, Cast-in-situ Beam longitudinal direction alignment control can exist Within ± 4mm, production efficiency and economic benefit are indirectly improved.
The structure of moving die plate of the present invention is simple, can make according to the actual situation at the construction field (site) or prefabrication, processing It is easy to operate with convenience, it can be widely applied.
Length, the shape of assembled moving template of the present invention can be changed according to actual requirement of engineering by Reasonable Design Method Variable cross-section layout one adapts to the application of the simply supported beam construction of different length and section form.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cast-in-place box beam assembled moving template of the present invention;
Fig. 2 is the enlarged drawing in Fig. 1 at A;
Fig. 3 is the structural schematic diagram of external mold support frame in moving die plate of the present invention;
Fig. 4 is the enlarged drawing in Fig. 1 at B;
Fig. 5 is the enlarged drawing in Fig. 1 at C.
Specific embodiment
The technical solution of the present invention is not limited to the following list, further includes between each specific embodiment Any combination.
Specific embodiment 1: illustrating present embodiment, present embodiment cast-in-place box beam group in conjunction with Fig. 1 to Fig. 5 Box-like moving die plate includes template system, formwork bracing system, sliding system and support system;
The template system includes external mold 1, bed die 3, angle mould 4 and internal model 2;
The formwork bracing system includes upper adjusting support 7, external mold support frame 5, internal model support rod 6 and jack 8;
The sliding system includes sliding joist 12, pulley 13 and track 14;
The support system includes falsework 19, slippage bracket 18, small distribution beam 17 and big distribution beam 20;
The both sides external of external mold 1 is respectively equipped with external mold support frame 5, the bottom of 1 liang of laterally outside sloping portion of external mold It is respectively equipped with template bearing beam 24, external mold support frame 5 is connect by upper adjusting support 7 with template bearing beam 24, the vertical portion of external mold 1 It is bolted with external mold support frame 5,
The external mold support frame 5 is by inner support vertical bar 31, outer support vertical bar 25, upper horizontal-associate bar 26, lower horizontal-associate bar 27, middle branch Support vertical bar 28, hound 29,30 welding of middle singletree form, wherein between inner support vertical bar 31 and outer support vertical bar 25 by up to Under be respectively equipped with horizontal-associate bar 26 and lower horizontal-associate bar 27, it is perpendicular that middle support is also vertically arranged between upper horizontal-associate bar 26 and lower horizontal-associate bar 27 Bar 28 is equipped with singletree 30, inner support vertical bar 31 and middle branch at least one between outer support vertical bar 25 and middle vertical supporting rod 28 It supports and is equipped with middle singletree 30 and hound 29 between vertical bar 28, the outer lower portion of outer support vertical bar 25, which is additionally provided with, shores bracket 11; The inside of internal model 2 is equipped with internal model support rod 6;
The bottom of the external mold support frame 5 is equipped with sliding joist 12, is equipped at the top of the sliding joist 12 and shores block 9, It shores and is equipped with jack 8 between bracket 11 and sliding joist 12, shore and be equipped with jack 8 between block 9 and outer support vertical bar 25;
12 bottom symmetrical of sliding joist is equipped with pulley card slot 16, is arranged with pulley 13 in pulley card slot 16,
Small distribution beam 17 is arranged in the top of the slippage bracket 18, is welded with track 14, rail at the top of the small distribution beam 17 Road 14 is corresponding with the position of pulley 13, is placed in pulley 13 just on track 14;
The bottom of bed die 3 is equipped with falsework 19, and the bottom of falsework 19 and slippage bracket 18 is equipped with big distribution beam 20.
The structure of present embodiment moving die plate is simple, and combination is split conveniently, can improve template utilization rate and improve cast-in-place Beams of concrete construction efficiency and quality.
Specific embodiment 2: illustrating present embodiment, present embodiment and specific embodiment party in conjunction with Fig. 1, Fig. 4 and Fig. 5 Unlike formula one:
The inside on the top of the inner support vertical bar 31 be fixed with to draw stringer 23, the lower part of inner support vertical bar 31 it is interior Portion is fixed with lower to drawing stringer 22;To drawing stringer 23 to be made of upper and lower two opposite stringer 23-1 on described, two stringers it Between there are gap, described lower to drawing stringer 22 to be made of upper and lower two opposite stringer 23-1, there are gaps between two stringers;
On pull rod 10 is passed through to stringer 23, external mold 1 and internal model 2 is drawn, tightened by nut, by 5 He of external mold support frame External mold 1 is fixed;Under to pull rod 21 pass through it is lower to draw stringer 22, external mold 1 bottom chamfer at and bed die 3, tightened by nut, will External mold support frame 5 and external mold 1 are fixed.It is other same as the specific embodiment one.
Specific embodiment 3: the present embodiment is different from the first embodiment in that: the sliding joist 12 and cunning Wheel 16 spot welding of card slot is fixed.It is other same as the specific embodiment one.
Specific embodiment 4: the present embodiment is different from the first embodiment in that: the pulley card slot 16 uses Steel plate butt welding forms.It is other same as the specific embodiment one.
Specific embodiment 5: the present embodiment is different from the first embodiment in that: it is equipped between the track 14 Limit crossbeam.It is other same as the specific embodiment one.
Specific embodiment 6: embodiment is described with reference to Fig. 2, present embodiment is different from specific embodiment one Be: the sliding joist 12 is internally located at setting above pulley card slot 16 and reinforces stringer 15.Other and specific embodiment one It is identical.
Specific embodiment 7: the present embodiment is different from the first embodiment in that: the bed die 3, which is additionally provided with, puts more energy into Rib, the spacing distance of adjacent ribbed stiffener are 500mm.It is other same as the specific embodiment one.
Elaborate below to the embodiment of the present invention, following embodiment under the premise of the technical scheme of the present invention into Row is implemented, and gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following realities Apply example.
Embodiment 1:
The cast-in-place box beam assembled moving template of the present embodiment is used in Yinchuan airport Yellow River Bridge engineering item Mesh.
The present embodiment cast-in-place box beam assembled moving template includes template system, formwork bracing system, slip system System and support system;
The template system includes external mold 1, bed die 3, angle mould 4 and internal model 2;
The formwork bracing system includes upper adjusting support 7, external mold support frame 5, internal model support rod 6 and jack 8;
The sliding system includes sliding joist 12, pulley 13 and track 14;
The support system includes falsework 19, slippage bracket 18, small distribution beam 17 and big distribution beam 20;
The both sides external of external mold 1 is respectively equipped with external mold support frame 5, the bottom of 1 liang of laterally outside sloping portion of external mold It is respectively equipped with template bearing beam 24, external mold support frame 5 is connect by upper adjusting support 7 with template bearing beam 24, the vertical portion of external mold 1 It is bolted with external mold support frame 5,
The external mold support frame 5 is by inner support vertical bar 31, outer support vertical bar 25, upper horizontal-associate bar 26, lower horizontal-associate bar 27, middle branch Support vertical bar 28, hound 29,30 welding of middle singletree form, wherein between inner support vertical bar 31 and outer support vertical bar 25 by up to Under be respectively equipped with horizontal-associate bar 26 and lower horizontal-associate bar 27, it is perpendicular that middle support is also vertically arranged between upper horizontal-associate bar 26 and lower horizontal-associate bar 27 Bar 28 is equipped with singletree 30, inner support vertical bar 31 and middle branch at least one between outer support vertical bar 25 and middle vertical supporting rod 28 It supports and is equipped with middle singletree 30 and hound 29 between vertical bar 28, the outer lower portion of outer support vertical bar 25, which is additionally provided with, shores bracket 11; The inside of internal model 2 is equipped with internal model support rod 6;
The inside on the top of the inner support vertical bar 31 be fixed with to draw stringer 23, the lower part of inner support vertical bar 31 it is interior Portion is fixed with lower to drawing stringer 22;To drawing stringer 23 to be made of upper and lower two opposite stringer 23-1 on described, two stringers it Between there are gap, described lower to drawing stringer 22 to be made of upper and lower two opposite stringer 23-1, there are gaps between two stringers;
On pull rod 10 is passed through to stringer 23, external mold 1 and internal model 2 is drawn, tightened by nut, by 5 He of external mold support frame External mold 1 is fixed;Under to pull rod 21 pass through it is lower to draw stringer 22, external mold 1 bottom chamfer at and bed die 3, tightened by nut, will External mold support frame 5 and external mold 1 are fixed.
The bottom of the external mold support frame 5 is equipped with sliding joist 12, is equipped at the top of the sliding joist 12 and shores block 9, It shores and is equipped with jack 8 between bracket 11 and sliding joist 12, shore and be equipped with jack 8 between block 9 and outer support vertical bar 25;
12 bottom symmetrical of sliding joist is equipped with pulley card slot 16, the sliding joist 12 and 16 solid weldings of pulley card slot It is fixed, pulley 13 is arranged in pulley card slot 16,
Small distribution beam 17 is arranged in the top of the slippage bracket 18, is welded with track 14, institute at the top of the small distribution beam 17 It states and is equipped with limit crossbeam between track 14, track 14 is corresponding with the position of pulley 13, is placed in pulley 13 just on track 14;
The bottom of bed die 3 is equipped with falsework 19, and the bottom of falsework 19 and slippage bracket 18 is equipped with big distribution beam 20.
It wherein shores bracket and is used to carry out external mold support frame vertical vertical tune with the jack being arranged between joist is slid Position.The jack that is arranged between block and outer support bar is shored for transversely and horizontally being transposed to external mold support frame and demoulding.
The pulley card slot is formed using steel plate butt welding.
The sliding joist is internally located at setting above pulley card slot and reinforces stringer.
The bed die is additionally provided with ribbed stiffener, and the spacing distance of adjacent ribbed stiffener is 500mm.
The present embodiment efficiently, fast, has by installing pulley additional to formwork-support, it can be achieved that whole move along the bridge The advantages that concrete beam mould board standardization composite assembly, high recycling rate, the construction efficiency of simply supported girder bridge is effectively increased, together When standardization integral cast-in-situ Combined formwork can ensure structure line style, and improve concrete cast-in-situ and build quality, to improve warp Ji benefit.
The present embodiment use pouring concrete box beam assembled moving template by Cast-in-situ Beam longitudinal direction alignment control ± 4mm with It is interior, construction quality is improved, and reduce the duration about 5 weeks, has saved construction cost.

Claims (7)

1. a kind of cast-in-place box beam assembled moving template, it is characterised in that the template includes template system, shuttering supporting System, sliding system and support system;
The template system includes external mold (1), bed die (3), angle mould (4) and internal model (2);
The formwork bracing system includes upper adjusting support (7), external mold support frame (5), internal model support rod (6) and jack (8);
The sliding system includes sliding joist (12), pulley (13) and track (14);
The support system includes falsework (19), slippage bracket (18), small distribution beam (17) and big distribution beam (20);
The both sides external of the external mold (1) is respectively equipped with external mold support frame (5), (1) the two laterally outside sloping portion of external mold Bottom be respectively equipped with template bearing beam (24), external mold support frame (5) supports (7) to connect with template bearing beam (24) by upper adjusting, The vertical portion of external mold (1) and external mold support frame (5) bolt,
The external mold support frame (5) is by inner support vertical bar (31), outer support vertical bar (25), upper horizontal-associate bar (26), lower horizontal-associate bar (27), middle vertical supporting rod (28), hound (29), middle singletree (30) welding form, wherein inner support vertical bar (31) and outer branch Horizontal-associate bar (26) and lower horizontal-associate bar (27), upper horizontal-associate bar are from top to bottom respectively equipped between support vertical bar outer support vertical bar (25) (26) it is also vertically arranged middle vertical supporting rod (28) between lower horizontal-associate bar (27), outer support vertical bar (25) and middle vertical supporting rod (28) Between be equipped with singletree (30) at least one, equipped with middle singletree between inner support vertical bar (31) and middle vertical supporting rod (28) (30) and hound (29), the outer lower portion of outer support vertical bar (25), which is additionally provided with, shores bracket (11);The inside of internal model (2) is equipped with Internal model support rod (6);
The bottom of the external mold support frame (5) is equipped with sliding joist (12), is equipped at the top of the sliding joist (12) and shores block (9), shore and be equipped with jack (8) between bracket (11) and sliding joist (12), shore block (9) and outer support vertical bar (25) it Between be equipped with jack (8);
Sliding joist (12) bottom symmetrical is equipped with pulley card slot (16), is arranged with pulley (13) in pulley card slot (16),
Small distribution beam (17) is arranged in the top of the slippage bracket (18), is welded with track at the top of the small distribution beam (17) (14), track (14) is corresponding with the position of pulley (13), is placed in pulley (13) just on track (14);
The bottom of the bed die (3) is equipped with falsework (19), and the bottom of falsework (19) and slippage bracket (18) is equipped with big Distribution beam (20).
2. a kind of cast-in-place box beam assembled moving template according to claim 1, it is characterised in that the interior branch The inside for supportting the top of vertical bar (31) is fixed with to stringer (23) are drawn, and the inside of the lower part of inner support vertical bar (31) is fixed with down To drawing stringer (22);To drawing stringer (23) to be made of upper and lower two opposite stringers (23-1) on described, stayed between two stringers There is gap, described lower to drawing stringer (22) to be made of upper and lower two opposite stringers (23-1), there are gaps between two stringers;
On pull rod (10) are passed through to stringer (23), external mold (1) and internal model (2) is drawn, tightened by nut, by external mold support frame (5) and external mold (1) is fixed;Under to pull rod (21) pass through it is lower to draw stringer (22), external mold (1) bottom chamfer at and bed die (3), It is tightened by nut, external mold support frame (5) and external mold (1) is fixed.
3. a kind of cast-in-place box beam assembled moving template according to claim 1 or 2, it is characterised in that the cunning Joist (12) are moved to fix with pulley card slot (16) spot welding.
4. a kind of cast-in-place box beam assembled moving template according to claim 3, it is characterised in that the pulley Card slot (16) is formed using steel plate butt welding.
5. a kind of cast-in-place box beam assembled moving template according to claim 4, it is characterised in that the track (14) limit crossbeam is equipped between.
6. a kind of cast-in-place box beam assembled moving template according to claim 5, it is characterised in that the cunning It moves joist (12) and is internally located at setting reinforcing stringer (15) above pulley card slot (16).
7. a kind of cast-in-place box beam assembled moving template according to claim 6, it is characterised in that the bed die (3) it is additionally provided with ribbed stiffener, the spacing distance of adjacent ribbed stiffener is 500mm.
CN201810245807.XA 2018-03-23 2018-03-23 A kind of cast-in-place box beam assembled moving template Active CN108425323B (en)

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CN109629437A (en) * 2019-01-11 2019-04-16 中国铁建大桥工程局集团有限公司 A kind of mobile whole hole in-situ depositing equipment of box beam and its application method
CN110306432A (en) * 2019-04-11 2019-10-08 中铁六局集团天津铁路建设有限公司 Removable lateral form bracing system and construction method when adjacent bridge construction
CN110524691B (en) * 2019-08-13 2020-10-30 中交第四航务工程局有限公司 Immersed tube tunnel outer template system and construction method
CN110466041A (en) * 2019-08-26 2019-11-19 贵州中昇东浩科技有限公司 Box beam mold
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