CN205839568U - A kind of cast-in-situ box girder model sheetinstallat structure - Google Patents

A kind of cast-in-situ box girder model sheetinstallat structure Download PDF

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Publication number
CN205839568U
CN205839568U CN201620692416.9U CN201620692416U CN205839568U CN 205839568 U CN205839568 U CN 205839568U CN 201620692416 U CN201620692416 U CN 201620692416U CN 205839568 U CN205839568 U CN 205839568U
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template
flange plate
pontic
flitch
adjustable
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CN201620692416.9U
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Inventor
宿巳光
王虎成
宋秀成
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China Third Metallurgical Group Co Ltd
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China Third Metallurgical Group Co Ltd
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Abstract

This utility model relates to a kind of cast-in-situ box girder model sheetinstallat structure, and end template, flange plate template and side template are made by plain form;Chamber template is made up of peripheral template and many group support frames;Peripheral template uses plain form to make;Full framing uses bowl buckle scaffold, and its top is respectively equipped with adjustable diameter and screw adjusting bar and jacking;I-steel is uniformly longitudinally laid along pontic by jacking;Arranging adjustable perpendicular support bottom flange plate template, side template uses top to be provided with the support of adjustable diameter and screw adjusting bar and jacking as adjustable diagonal bracing, and flange plate template is additionally provided with chamfer mould outside drip mold and the pontic edge of a wing.In this utility model, cast-in-situ box girder template all uses plain form to make, and has from heavy and light, breadth is big, intensity is high, the demoulding is easy, pour rear surface smooth and beautiful appearance, the advantage such as have good workability, and is more suitable for large bridge construction;Its installation method is simple, easy construction, and outside drip and the pontic edge of a wing, chamfering is one-body molded when pouring, and construction quality is high.

Description

A kind of cast-in-situ box girder model sheetinstallat structure
Technical field
This utility model relates to technical field of bridge construction, particularly relates to a kind of cast-in-situ box girder model sheetinstallat structure.
Background technology
In bridge construction, the box beam of reinforced concrete structure is divided into prefabricated case beam and cast-in-situ box girder, and wherein cast-in-situ box girder is many For Large Scale and Continuous bridge construction, its work progress is: bracket basis construction-support installation-end template installation-pre-pressing bracket- Precompressed unloads-adjusts end template absolute altitude-base plate and web reinforcement and installed under prestressing-side template and interior template (chamber template) peace Fill-pour template-roof steel bar and installed under prestressing in base plate and web concrete-dismounting-pour concrete roof-health preserving- Stretch-draw-hole path pressure grouting-end-blocking-support removing.
Be currently used for template many employings steel form of cast-in-situ box girder, its exist from great, seam is many, pours rear surface quality The best, demoulding difficulty, the shortcoming that the number of turnover is low, service life is short.It addition, when bridge construction, drip and pontic chamfering Dedicated templates need to be used to construct, and processing cost is high, and work progress is complicated.
Utility model content
This utility model provides a kind of cast-in-situ box girder model sheetinstallat structure, and cast-in-situ box girder template all uses plain form Make, have from heavy and light, breadth is big, intensity is high, the demoulding is easy, pour rear surface smooth and beautiful appearance, the advantage such as have good workability, more It is suitable for large bridge construction;Its installation method is simple, and easy construction, outside drip and the pontic edge of a wing, chamfering can be when pouring One-body molded, and construction quality is high.
In order to achieve the above object, this utility model realizes by the following technical solutions:
A kind of cast-in-situ box girder model sheetinstallat structure, including supporting construction, end template, chamber template, the wing at the bottom of full framing, beam Listrium template and supporting construction, side template and supporting construction thereof;Being embedded in bottom full framing in basis, top is provided with at the bottom of beam Supporting construction, end template is laid in supporting construction at the bottom of beam;Chamber template-setup is on end template, and side template is arranged on chamber mould Outside plate, flange plate template is protruding from side template top;Flange plate template and side template are respectively by corresponding supporting construction Support;
Described end template, flange plate template and side template are made by plain form;
Described chamber template is longitudinally uniformly erected at the support frame group within peripheral template by peripheral template and many group edges Become;Often group support frame is made up of skeleton, perpendicular support and diagonal brace;Skeleton, perpendicular support and diagonal brace all use flitch to make, wherein skeleton by The agent structure of multistage flitch end to end composition support frame, and junction set respectively securing plate reinforce;The master of support frame Several perpendicular support and the diagonal brace intersected it is uniformly arranged in body structure;Peripheral template uses plain form to make;
Described full framing uses bowl buckle scaffold, and its top is respectively equipped with adjustable diameter and screw adjusting bar and jacking;By jacking edge Pontic uniformly longitudinally lays I-steel, and spacing is 0.5~0.7m;At I-steel top along pontic laterally homogeneous laying flitch, Spacing is 0.4~0.5m;End template is laid above flitch;
Adjustable perpendicular support is set bottom described flange plate template;Below pontic flange plate correspondence position, full framing top Longitudinally being uniformly arranged multiple tracks channel-section steel along pontic on I-steel, channel-section steel is fixed with I-steel spot welding, a pole pair groove of limiting outside channel-section steel Steel plays fixation;The support that adjustable perpendicular support uses top to be provided with adjustable diameter and screw adjusting bar and jacking, jacking longitudinally sets up wood along pontic Side, is transversely provided with thin flitch along pontic between flitch and flange plate template, and flange plate template is laid on inside thin flitch;Bracket bottom Portion's welding cushion block, cushion block realizes fixing supporting role in being clamped on channel-section steel;
Described side template uses top to be provided with the support of adjustable diameter and screw adjusting bar and jacking as adjustable diagonal bracing, adjustable diagonal bracing top Hold out against outside side template along the longitudinally disposed flitch of pontic, be additionally provided with between flitch and side template along pontic horizontally set Thin flitch, side template is laid on inside thin flitch, is provided with timber wedge between thin flitch and flitch;Hold out against at channel-section steel bottom adjustable diagonal bracing Side towards side template.
Being additionally provided with drip mold mould in described flange plate template, drip mold is fixed on distance flange plate end At 100~150mm, use along the semicircle pvc pipe after centrage subdivision, a diameter of the 30~40mm of semicircle pvc pipe.
Being additionally provided with chamfer mould outside the pontic edge of a wing in described flange plate template, outside the pontic edge of a wing, chamfer mould is fixed on Flange plate template upper surface, at distance flange plate end 100~150mm, uses the 1/4 circular arc pvc pipe along centrage subdivision, A diameter of the 110~120mm of 1/4 circular arc pvc pipe.
The seam areas of described end template, side template are pasted with sponge adhesive tape with the seam areas of end template.
Connected fixing at described chamber template splicing by galvanized iron sheet.
Compared with prior art, the beneficial effects of the utility model are:
1) cast-in-situ box girder template all uses plain form to make, and it is lightweight, is more suitable for large bridge construction;Breadth Greatly, seam quantity can be reduced, improve formwork efficiency;Intensity is high, not warpage, indeformable, do not ftracture, the number of turnover is many, uses the longevity Life is long, reduces construction cost;Additionally it is compared with steel form, and the demoulding is easy, pours rear surface quality high, and has good workability;
2) watering box girder formwork installation method simple, easy construction, outside drip and the pontic edge of a wing, chamfering can be when pouring One-body molded, and construction quality is high.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the A portion enlarged drawing in Fig. 1.
Fig. 3 is the structural representation of support frame described in the utility model.
In figure: 1. full framing basis 2. full framing 3. adjustable diameter and screw adjusting bar 4. jacking 5. I-steel 6. flitches 7. Peripheral template 9. side template 10. of end template 8. chamber template 81. skeleton 82. perpendicular support 83. diagonal brace 84. securing plate 85. Chamfer mould 15. outside flange plate template 11. the is adjustable perpendicular support 12. adjustable diagonal bracing 13. drip mold 14. pontic edge of a wing The thin flitch of channel-section steel 16. gag lever post 17. pontic 18.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described further:
See Fig. 1, be structural representation of the present utility model, a kind of cast-in-situ box girder model sheetinstallat knot described in the utility model Structure, including supporting construction, end template 7, chamber template 8, flange plate template 10 and supporting construction, side form at the bottom of full framing 2, beam Plate 9 and supporting construction thereof;Being embedded in bottom full framing 2 in basis 1, top is provided with supporting construction at the bottom of beam, and end template 7 is laid on In supporting construction at the bottom of beam;Chamber template 8 is arranged on end template 7, and side template 9 is arranged on outside chamber template 8, flange plate template 10 is protruding from side template 9 top;Flange plate template 10 and side template 9 are supported by corresponding supporting construction respectively;
Described end template 7, flange plate template 10 and side template 9 are made by plain form;
Described chamber template 8 is longitudinally uniformly erected at the carriage within peripheral template 85 by peripheral template 85 and many group edges Frame forms;Often group support frame is made up of skeleton 81, perpendicular support 82 and diagonal brace 83;Skeleton 81, perpendicular support 82 and diagonal brace 83 all use wood Side makes, and wherein skeleton 81 is by the end to end agent structure forming support frame of multistage flitch, and junction sets reinforcing respectively Plate 84 is reinforced;Several perpendicular support 82 and the diagonal brace 83 intersected it is uniformly arranged in the agent structure of support frame;Peripheral template 85 uses Plain form makes;
Described full framing 2 uses bowl buckle scaffold, and its top is respectively equipped with adjustable diameter and screw adjusting bar 3 and jacking 4;Pass through jacking 4 uniformly longitudinally lay I-steel 5 along pontic, and spacing is 0.5~0.7m;At I-steel 5 top along the laterally homogeneous paving of pontic 17 If flitch 6, spacing is 0.4~0.5m;Flitch 6 lays end template 7 above;
Adjustable perpendicular support 11 is set bottom described flange plate template 10;Below pontic 17 flange plate correspondence position, Man Tangzhi Longitudinally being uniformly arranged multiple tracks channel-section steel 15 along pontic 17 on frame 2 top I-steel 5, channel-section steel 15 is fixed with I-steel 5 spot welding, channel-section steel 15 Outside sets gag lever post 16 to 15 fixations of channel-section steel;Adjustable perpendicular support 11 use top be provided with adjustable diameter and screw adjusting bar 3 and jacking 4 Frame, jacking 4 longitudinally sets up flitch 6, is transversely provided with thin flitch along pontic 17 between flitch 6 and flange plate template 10 along pontic 17 18, flange plate template 10 is laid on inside thin flitch 18;Frame bottom welding cushion block, cushion block realizes fixing in being clamped on channel-section steel 15 Supporting role;
Described side template 9 uses support that top is provided with adjustable diameter and screw adjusting bar 3 and jacking 4 as adjustable diagonal bracing 12, adjustable inclined Support 12 tops and hold out against outside side template 9 along the longitudinally disposed flitch 6 of pontic 17, between flitch 6 and side template 9, be additionally provided with edge The thin flitch 18 of pontic 17 horizontally set, side template 9 is laid on inside thin flitch 18, is provided with wood between thin flitch 18 and flitch 6 Wedge;Hold out against bottom adjustable diagonal bracing 12 at channel-section steel 15 towards the side of side template 9.
Being additionally provided with drip mold in described flange plate template 10, drip mold 13 is fixed on distance flange plate end At 100~150mm, use along the semicircle pvc pipe after centrage subdivision, a diameter of the 30~40mm of semicircle pvc pipe.
Chamfer mould 14 outside the pontic edge of a wing it is additionally provided with, chamfer mould 14 outside the pontic edge of a wing in described flange plate template 10 It is fixed on flange plate template 10 upper surface, at distance flange plate end 100~150mm, uses 1/4 circular arc along centrage subdivision Shape pvc pipe, a diameter of the 110~120mm of 1/4 circular arc pvc pipe.
The seam areas of described end template 7, side template 9 are pasted with sponge adhesive tape with the seam areas of end template 7.
Described chamber template 8 stitching portion connects fixing by galvanized iron sheet.
The concrete operation method of a kind of cast-in-situ box girder model sheetinstallat structure described in the utility model, comprises the steps:
1) cast-in-situ box girder template construct;
A, cast-in-situ box girder template include being placed in the end template 7 bottom pontic 17, be placed in the chamber template 8 within pontic 17, It is placed in the side template 9 in 17 liang of outsides of pontic and is placed in the flange plate template 10 bottom the overhanging end of pontic 17 both sides;Cast-in-situ box girder Template all uses plain form to make, for reduce form joint, preferentially select in the case of being dimensioned for 2440m × The maximum specification plain form of 1220mm;
B, end template 7, side template 9 are plane template, and flange plate template 10 is by the main body template of plane and outer side shield Combine, respectively by design size excision forming;
C is as in figure 2 it is shown, chamber template 8 by the many groups support frame being longitudinally uniformly arranged along it and is enclosed and is located at support frame Peripheral peripheral template 85 forms;First making support frame, often group support frame is made up of skeleton 81, perpendicular support 82 and diagonal brace 83; Skeleton 81, perpendicular support 82 and diagonal brace 83 all use flitch to make, and wherein skeleton 81 is formed support frame by multistage flitch is end to end Agent structure, and junction sets securing plate 84 respectively and reinforces;Several perpendicular support 82 it is uniformly arranged in the agent structure of support frame And the diagonal brace 83 intersected;By spacing parallel it is fixed on organizing support frame work platforms on more, then will be cut to size Plain form is sequentially fixed at outside support frame and forms peripheral template 85;
2) cast-in-situ box girder model sheetinstallat;
The section exposed after being cut by each position template before a, installation uses water-fast phenolic aldehyde series paint brushing three times, as sent out Existing template surface has cut or scratch, mends brush phenolic paint the most simultaneously;
B, end template 7 are installed;
Constructing in the basis 1 first carrying out full framing, then installs full framing 2, and full framing 2 uses bowl buckle scaffold, Its top is respectively equipped with adjustable diameter and screw adjusting bar 3 and jacking 4;I-steel 5, spacing is uniformly longitudinally laid along pontic 17 by jacking 4 It is 0.5~0.7m;At I-steel 5 top along pontic 17 laterally homogeneous laying flitch 6, spacing is 0.4~0.5m;On flitch 6 End template 7 is laid in face;
When laying end template 7, it is greater than pontic beam bottom width degree along the width that pontic 17 is horizontal, and end template 7 both sides are respectively Beyond sideline, pontic beam bottom side 0.3~0.5m, for installing side template 9 on end template 7;End template 7 splicing seams to become in length and breadth Line, it is to avoid fissure of displacement phenomenon occur, the faulting of slab ends height between each piece of end template 7 is less than 1mm;Seam areas paste sponge adhesive tape with Spillage when preventing pouring;
After end template 7 is laid, carry out plane setting-out, set a test point along end template 7 vertical, horizontal at interval of 5m, Measure end template 7 vertical, horizontal absolute altitude comprehensively, then according to measurement result, end template 7 is adjusted to designed elevation;End template 7 is marked After height adjustment, absolute altitude of detection again, position undesirable to absolute altitude carries out secondary adjustment, until meet comprehensively Design requirement;
After end template 7 Pass line adjustment completes, carry out load precompressed;Then end template 7 surface is arranged, check smooth After degree, splicing seams smooth degree, absolute altitude all meet the requirements, comprehensive brushing releasing agent;
C, chamber template 8 are installed;
Box beam baseplate reinforcing bar, web reinforcement and beam steel are rib prestressed install after, determine case by surveying setting-out The centrage of room template 8 installation and edge line;Then chamber template 8 is installed;Splice position in chamber template 8 and use galvanized iron sheet It is fixedly connected, it is ensured that the bulk strength of chamber template 8;
D, flange plate template 10, side template 9 are installed;
When flange plate template 10 is installed, adjustable perpendicular support 11 is set bottom it;Below pontic 17 flange plate, full framing Longitudinally be uniformly arranged multiple tracks channel-section steel 15 on 2 top I-steel 5 along pontic 17, channel-section steel 15 positions with I-steel spot welding, then at groove Outside steel 15, welded limiting bar 16 is to 15 fixations of channel-section steel;Adjustable perpendicular support 11 uses top to be provided with adjustable diameter and screw adjusting bar 3 and top The support of torr 4, jacking 4 for for longitudinally setting up flitch 6 along pontic 17, along pontic 17 between flitch 6 and flange plate template 10 It is transversely provided with thin flitch 18, flange plate template 10 is laid on inside thin flitch 18;Frame bottom welding cushion block, cushion block is clamped on Fixing supporting role is realized in channel-section steel 15;After the outer side shield of flange plate template 10 installs, comprehensive to flange plate template 10 Detection absolute altitude and line style, it is ensured that after the construction of pontic 17 flange plate, line style is attractive in appearance;
Side template 9 is installed;After in-site measurement setting-out, make pontic 17 lateral edge line according to design size, then install Side template 9;Same use top to be provided with the support of adjustable diameter and screw adjusting bar 3 and jacking 4 as adjustable diagonal bracing 12, hold out against at side template 9 Outside, along the longitudinally disposed flitch 6 of pontic 17, is additionally provided with the thin wood along pontic 17 horizontally set between flitch 6 and side template 9 Side 18, side template 9 is laid on inside thin flitch 18, and it is tight that the triangle gap between thin flitch 18 and flitch 6 uses timber wedge to squeeze;Can Holding out against the side towards side template 9 at channel-section steel 15 bottom oblique adjusting support 12, side template 9 pastes sponge with end template 7 seam areas Spillage when adhesive tape prevents from pouring;
Chamfering one-shot forming outside e, drip and the pontic edge of a wing;
Use the pvc pipe of a diameter of 30~40mm, be 2 semi-circular piece along centrage subdivision, in distance flange plate end At 100~150mm, aliging with flange plate template 10 in the pvc pipe cut ends side after cutting open, is fixed on edge of a wing template die with tingle Plate 10 upper surface, drip one-shot forming when pouring bottom pontic 17 edge of a wing;
Use the pvc pipe of a diameter of 110~120mm, be 4 1/4 circular arc parts along centrage subdivision, by 1/4 circular arc Part arc surface is fixed on the end of flange plate template 10 upper surface the most respectively with tingle, and outside pontic 17 edge of a wing, chamfering exists One-shot forming when pouring.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not Being confined to this, any those familiar with the art is in the technical scope that this utility model discloses, according to this practicality Novel technical scheme and conceive equivalent or change in addition, all should contain within protection domain of the present utility model.

Claims (5)

1. a cast-in-situ box girder model sheetinstallat structure, including supporting construction, end template, chamber template, the edge of a wing at the bottom of full framing, beam Template die plate and supporting construction, side template and supporting construction thereof;Being embedded in bottom full framing in basis, top is provided with at the bottom of beam and props up Support structure, end template is laid in supporting construction at the bottom of beam;Chamber template-setup is on end template, and side template is arranged on chamber template Outside, flange plate template is protruding from side template top;Flange plate template and side template are propped up by corresponding supporting construction respectively Support;It is characterized in that:
Described end template, flange plate template and side template are made by plain form;
Described chamber template is made up of along the support frame being longitudinally uniformly erected within peripheral template peripheral template and many groups;Often Group support frame is made up of skeleton, perpendicular support and diagonal brace;Skeleton, perpendicular support and diagonal brace all use flitch to make, and wherein skeleton is by multistage The agent structure of flitch end to end composition support frame, and junction set respectively securing plate reinforce;The body junction of support frame Several perpendicular support and the diagonal brace intersected it is uniformly arranged in structure;Peripheral template uses plain form to make;
Described full framing uses bowl buckle scaffold, and its top is respectively equipped with adjustable diameter and screw adjusting bar and jacking;By jacking along pontic Uniformly longitudinally laying I-steel, spacing is 0.5~0.7m;At I-steel top along pontic laterally homogeneous laying flitch, spacing It is 0.4~0.5m;End template is laid above flitch;
Adjustable perpendicular support is set bottom described flange plate template;Below pontic flange plate correspondence position, the I-shaped of full framing top Longitudinally being uniformly arranged multiple tracks channel-section steel along pontic on steel, channel-section steel is fixed with I-steel spot welding, and a pole pair channel-section steel of limiting outside channel-section steel rises Fixation;The support that adjustable perpendicular support uses top to be provided with adjustable diameter and screw adjusting bar and jacking, jacking for longitudinally setting up wood along pontic Side, is transversely provided with thin flitch along pontic between flitch and flange plate template, and flange plate template is laid on inside thin flitch;Bracket bottom Portion's welding cushion block, cushion block realizes fixing supporting role in being clamped on channel-section steel;
The support that described side template uses top to be provided with adjustable diameter and screw adjusting bar and jacking holds out against as adjustable diagonal bracing, adjustable diagonal bracing top Outside side template along the longitudinally disposed flitch of pontic, between flitch and side template, it is additionally provided with the thin wood along pontic horizontally set Side, side template is laid on inside thin flitch, is provided with timber wedge between thin flitch and flitch;Hold out against bottom adjustable diagonal bracing channel-section steel towards The side of side template.
A kind of cast-in-situ box girder model sheetinstallat structure the most according to claim 1, it is characterised in that in described flange plate template Being additionally provided with drip mold, drip mold is fixed at distance flange plate end 100~150mm, uses along centrage subdivision After semicircle pvc pipe, a diameter of the 30~40mm of semicircle pvc pipe.
A kind of cast-in-situ box girder model sheetinstallat structure the most according to claim 1, it is characterised in that in described flange plate template Being additionally provided with chamfer mould outside the pontic edge of a wing, outside the pontic edge of a wing, chamfer mould is fixed on flange plate template upper surface, the distance wing At listrium end 100~150mm, use along 1/4 circular arc pvc pipe of centrage subdivision, 1/4 circular arc pvc pipe a diameter of 110~120mm.
A kind of cast-in-situ box girder model sheetinstallat structure the most according to claim 1, it is characterised in that the seam of described end template Position, side template are pasted with sponge adhesive tape with the seam areas of end template.
A kind of cast-in-situ box girder model sheetinstallat structure the most according to claim 1, it is characterised in that described chamber template splicing Place connects fixing by galvanized iron sheet.
CN201620692416.9U 2016-07-04 2016-07-04 A kind of cast-in-situ box girder model sheetinstallat structure Active CN205839568U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107740349A (en) * 2017-11-03 2018-02-27 中交路桥华南工程有限公司 The template combination structure of adjustable chamfering
CN108842592A (en) * 2018-06-09 2018-11-20 中交航局第工程有限公司 200 metre hole road box beams of one kind and its segmentation casting method
CN109667222A (en) * 2018-12-19 2019-04-23 苏州交通工程集团有限公司 Dripping eaves and its construction method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107740349A (en) * 2017-11-03 2018-02-27 中交路桥华南工程有限公司 The template combination structure of adjustable chamfering
CN108842592A (en) * 2018-06-09 2018-11-20 中交航局第工程有限公司 200 metre hole road box beams of one kind and its segmentation casting method
CN109667222A (en) * 2018-12-19 2019-04-23 苏州交通工程集团有限公司 Dripping eaves and its construction method

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