CN201526011U - Assembly type non-bracket casting side span cast-in-situ section and closure section in continuous rigid structure - Google Patents

Assembly type non-bracket casting side span cast-in-situ section and closure section in continuous rigid structure Download PDF

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Publication number
CN201526011U
CN201526011U CN2009200825047U CN200920082504U CN201526011U CN 201526011 U CN201526011 U CN 201526011U CN 2009200825047 U CN2009200825047 U CN 2009200825047U CN 200920082504 U CN200920082504 U CN 200920082504U CN 201526011 U CN201526011 U CN 201526011U
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CN
China
Prior art keywords
hanging basket
closure
cast
bracket
place
Prior art date
Application number
CN2009200825047U
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Chinese (zh)
Inventor
黄金华
倪红
蔡乐军
汪碧云
陈明凯
苟勇
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四川路桥桥梁工程有限责任公司
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Application filed by 四川路桥桥梁工程有限责任公司 filed Critical 四川路桥桥梁工程有限责任公司
Priority to CN2009200825047U priority Critical patent/CN201526011U/en
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Publication of CN201526011U publication Critical patent/CN201526011U/en

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Abstract

The utility model relates to an assembly type non-bracket casting side span cast-in-situ section and a closure section in continuous rigid structure, which is characterized by being constructed through combining a hanging bracket, a hanging bracket suspension rack, and a corbel support rack, wherein the corbel support rack is pre-buried on the juncture pier. The utility model adopts assembly type non-bracket support bracket, the hanging bracket and the suspension rack modified from the hanging bracket are combined for the casting of the side span cast-in-situ section and the closure section. Not only the construction mode of the bridges in the same type is innovated and enriched, simplified and improved construction process is facilitated at the same time, adverse factors in the field is overcome, the progress is speeded up, the quality, safety and environment friendliness are guaranteed, therefore definite economic benefit and social benefit are obtained.

Description

Combined type does not have support and builds cast-in-place section of continuous rigid frame bridge end bay and closure section

Technical field

The utility model relates to the braced structures in the bridge construction, specifically is that a kind of combined type does not have support and builds cast-in-place section of continuous rigid frame bridge end bay and closure section.

Background technology

Cast-in-place section of continuous rigid frame bridge end bay and the conventional construction of closure section have console and suspension bracket, but stride the development of footpath direction greatly towards high pier along with the continuous rigid frame bridge, many super-huge continuous rigid frame bridges are in construction, exist cast-in-place segment length mostly, concrete quantity is big, cross characteristics such as height apart from ground, make conventional construction expose many defectives, as adopt console when construction, construction period, support was subject to flood influence or job site physical features steeply inclined, the ground difficult treatment, shortcoming such as the too high and potential safety hazard of cost is bigger; Shortcomings such as there is suspension bracket requirement height again in the construction of employing suspension bracket, and the uneconomical and duration is long.

The utility model content

The purpose of this utility model is to overcome above-mentioned defective, and the combined type that provides a kind of Hanging Basket, suspension bracket to combine with carriage does not have support and builds cast-in-place section of continuous rigid frame bridge end bay and closure section, and the certain economic social benefit is arranged.

The technical solution of the utility model is achieved in that a kind of combined type does not have support and builds cast-in-place section of continuous rigid frame bridge end bay and closure section, it is characterized in that by Hanging Basket, the Hanging Basket suspension bracket, the bracket carriage combines and constitute to be about to cast-in-place section of end bay and closure section to be divided into boundary Dun Dun top cast-in-place, Hanging Basket cantilever and Hanging Basket suspension bracket are cast-in-place, wherein cast-in-place to bury the bracket carriage on the pier of boundary cast-in-place in order to adopt pier top, Hanging Basket cantilever section continues to adopt the asymmetric cantilever beam of Hanging Basket section for looking the cast-in-place length of end bay after Hanging Basket symmetry casting beams section is finished, can push up cast-in-place section construction synchronously with pier, more also can cancel in the cast-in-place segment length of end bay, this moment in stride the side water tank ballast, adopt the Hanging Basket suspension bracket to build at last and remain beam section (containing the end bay closure segment).

Described bracket carriage is embedded on the pier of boundary in advance, its Hanging Basket is by main couple, preceding top rail, back top rail, anchor, front suspension, tackle pulley are formed behind top bracing, bottom lateral bracing, front fulcrum, back anchor, track, walking dolly, sliding beam, slippage dolly, suspender belt, end platform, preceding lower transverse beam, back lower transverse beam, the end platform, and all the other all connect by steel pin except that tackle pulley, slippage dolly, walking dolly, sliding beam.

Described Hanging Basket suspension bracket is made up of the shaped steel column that is provided with on Hanging Basket and the Hanging Basket, shaped steel diagonal brace, shaped steel longeron and slip anchor system, shaped steel column, shaped steel diagonal brace, shaped steel longeron are by being welded to connect, be connected with Hanging Basket by steel pin again, the slip anchor system is formed by suspender belt, anchoring distribution beam, round steel or high tensile steel wire and a pad, the anchoring distribution beam places on the pad, and suspender belt is anchored on the distribution beam and by steel pin and is connected on the Hanging Basket.

The utility model adopts combined type not have that support (suspension bracket that is carriage, Hanging Basket and the Hanging Basket transformation of the way combines) carries out cast-in-place section of end bay and the closure section is built, not only innovate and enriched the form of construction work of bridge of the same type, help simplifying and improving construction technology simultaneously, overcome on-the-spot unfavorable factor, accelerated progress, guarantee quality, safety and environmental protection, therefore obtained certain economic benefits and social benefit.Be specially construction and be not subjected to the influence of site contour restriction and flood, workable, make full use of Hanging Basket, to cancel huge console and basis and striden directly suspension bracket greatly, material usage is minimum, the low and environmental protection of cost; Amount of high-altitude operation is little, and construction safety is secure; Make cast-in-place the building of end bay realize that segmentation builds, controllability is good, has guaranteed quality, and parallel line production is adopted in construction, and construction speed is fast, and is little, applied widely to the duration influence.

Description of drawings

Fig. 1 is cast-in-place section of continuous rigid frame bridge end bay and closure section pouring structure general arrangement schematic

Fig. 2 is that interim bundle is arranged schematic diagram

Fig. 3 is that pier pushes up cast-in-place beam section Construction Arrangement side-looking structure chart

Fig. 3-the 1st, pier push up cast-in-place beam section Construction Arrangement and face structure chart

Hanging Basket side-looking structural representation when Fig. 4-the 1st, asymmetric cantilever pouring

Fig. 4-the 2nd, the forward sight structural representation of Fig. 4-1

Fig. 5-the 1st, the Hanging Basket suspension bracket side-looking structural representation of the Hanging Basket transformation of the way

Fig. 5-the 2nd, the forward sight structural representation of Fig. 5-1

Fig. 6 is that the slip anchor system was faced and the side-looking structural representation when suspension bracket was constructed among Fig. 5-1, the 5-2

Fig. 7 is construction process figure

Among the figure: 1-Hanging Basket symmetry cantilever beam section; The asymmetric cantilever beam of 2-Hanging Basket section; The 3-pier pushes up cast-in-place beam section; The cast-in-place beam section of 4-Hanging Basket suspension bracket (containing the closure section); 4.1-shaped steel diagonal brace; 4.2-shaped steel column; 4.3-shaped steel longeron; 5-boundary pier; 6-bracket carriage; The 7-Hanging Basket; 7.1-main couple; 7.2-preceding top rail; 7.3-back top rail; 7.4-top bracing; 7.5-bottom lateral bracing; 7.6-front fulcrum; 7.7-back anchor; 7.8-track; 7.9-walking dolly; 7.10-sliding beam; 7.11-slippage dolly; 7.12-suspender belt; 7.13-end platform; 7.14-preceding lower transverse beam; 7.15-back lower transverse beam; 7.16-anchor behind the end platform; 7.17-front suspension; 7.18-tackle pulley; Stride the counterweight water tank among the 8-; 9-end bay later stage bundle; The interim bundle of the asymmetric cantilever beam of 10-Hanging Basket section construction; 11-slip anchor system 11.1-suspender belt; 11.2-anchoring distribution beam; 11.3-round steel or high tensile steel wire; A 11.4-pad (steel counterpart wedge)

The specific embodiment

As shown in Fig. 1-7, combined type does not have support and builds cast-in-place section of continuous rigid frame bridge end bay and closure section, by Hanging Basket 7, the Hanging Basket suspension bracket, bracket carriage 6 combines and constitute to be about to cast-in-place section of end bay and closure section to be divided into boundary Dun Dun top cast-in-place, Hanging Basket cantilever and Hanging Basket suspension bracket are cast-in-place, wherein cast-in-place to bury bracket carriage 6 on the pier of boundary cast-in-place in order to adopt pier top, Hanging Basket cantilever section continues to adopt the asymmetric cantilever beam of Hanging Basket section 2 for looking the cast-in-place length of end bay after Hanging Basket symmetry casting beams section 1 is finished, can push up cast-in-place section 3 construction synchronously with pier, more also can cancel in the cast-in-place segment length of end bay, this moment in stride the side water tank ballast, adopt the Hanging Basket suspension bracket to build at last and remain beam section (containing the end bay closure segment).Its bracket carriage 6 is embedded on the pier of boundary in advance, its Hanging Basket 7 is by main couple 7.1, preceding top rail 7.2, back top rail 7.3, anchor 7.16, front suspension 7.17, tackle pulley 7.18 are formed behind top bracing 7.4, bottom lateral bracing 7.5, front fulcrum 7.6, back anchor 7.7, track 7.8, walking dolly 7.9, sliding beam 7.10, slippage dolly 7.11, suspender belt 7.12, end platform 7.13, preceding lower transverse beam 7.14, back lower transverse beam 7.15, the end platform, and all the other all connect by steel pin except that tackle pulley 7.18, slippage dolly 7.11, walking dolly 7.9, sliding beam 7.10.Its Hanging Basket suspension bracket is made up of the shaped steel column 4.2, shaped steel diagonal brace 4.1, shaped steel longeron 4.3 and the slip anchor system that are provided with on Hanging Basket 7 and the Hanging Basket 7, shaped steel column 4.2, shaped steel diagonal brace 4.1, shaped steel longeron 4.3 are by being welded to connect, be connected with Hanging Basket 7 by steel pin again, slip anchor system 11 is formed by suspender belt 7.12, anchoring distribution beam 11.2, round steel or high tensile steel wire 11.3 and a pad 11.4, anchoring distribution beam 11.2 places on the pad 11.4, and suspender belt is anchored on the distribution beam and by steel pin and is connected on the Hanging Basket 7.

Hanging Basket symmetry cantilever beam section 1 among the figure, cast-in-place section of end bay and closure section are the asymmetric cantilever beam of Hanging Basket section 2, pier pushes up cast-in-place beam section 3, the cast-in-place beam section 4 of Hanging Basket suspension bracket (containing the closure section), finish with Hanging Basket 7 symmetrical cantilever pourings earlier during construction, utilize Hanging Basket 7 asymmetric cantilever pourings again, this moment in stride and stride counterweight water tank 8 synchronous equivalent counterweights in the side utilization, asymmetric moment with the generation of equalizer bar section, the end bay side is provided with the construction of the asymmetric cantilever beam of Hanging Basket section and restraints 10 to satisfy the requirement of cantilever beam section temporarily, in construction beam section, adopt bracket carriage 6 construction boundary Dun5Dun to push up cast-in-place beam section, utilize the Hanging Basket suspension bracket of Hanging Basket 7 transformations of the way to remain the beam section and the construction of the section of joining the two sections of a bridge, etc then, at last end bay later stage bundle 9 is carried out stretch-draw, mud jacking is promptly finished the construction of the cast-in-place and closure section of whole end bay.

Shown in Fig. 1-7, the utility model can fully be applied to the construction of super-huge continuous rigid frame bridge, as landform limited (physical features is precipitous, the place is narrow etc.); The cast-in-place segment length of end bay is big, and concrete quantity is big; Cast-in-place section beam body is too high apart from ground; Console have any problem (be arranged in rivers, lake as support, be subjected to flood influence, ground difficult treatment etc.) is adopted in the job site; Adopt other method cost too high or excessive to total duration influence.When the cast-in-place segment length of end bay more in short-term, can reduce or cancel in the combined type erection without scaffolding beam section that adopts the asymmetric cantilever of Hanging Basket according to circumstances, therefore, also be applicable to short but higher continuous rigid frame or the PC CONSTRUCTION OF CABLE-STAYED BRIDGE of pier shaft of end bay.

Claims (3)

1. a combined type does not have support and builds cast-in-place section of continuous rigid frame bridge end bay and closure section, it is characterized in that by Hanging Basket (7), Hanging Basket suspension bracket, bracket carriage (6) formation that combines; Its bracket carriage (6) is embedded on the pier of boundary in advance.
2. combined type according to claim 1 does not have support and builds cast-in-place section of continuous rigid frame bridge end bay and closure section, it is characterized in that described Hanging Basket is by main couple (7.1), preceding top rail (7.2), back top rail (7.3), top bracing (7.4), bottom lateral bracing (7.5), front fulcrum (7.6), back anchor (7.7), track (7.8), walking dolly (7.9), sliding beam (7.10), slippage dolly (7.11), suspender belt (7.12), end platform (7.13), preceding lower transverse beam (7.14), back lower transverse beam (7.15), anchor behind the end platform (7.16) front suspension (7.17), tackle pulley (7.18) is formed, remove tackle pulley (7.18), slippage dolly (7.11), walking dolly (7.9), outside the sliding beam (7.10), all the other all connect by steel pin.
3. combined type according to claim 1 does not have support and builds cast-in-place section of continuous rigid frame bridge end bay and closure section, it is characterized in that the shaped steel column (4.1) that described Hanging Basket suspension bracket upward is provided with by Hanging Basket (7) and Hanging Basket (7), shaped steel diagonal brace (4.2), shaped steel longeron (4.3) and slip anchor system (11) are formed, shaped steel column (4-1), shaped steel diagonal brace (4.2), shaped steel longeron (4.3) is by being welded to connect, be connected with Hanging Basket by steel pin again, slip anchor system (11) is by suspender belt (11.1), anchoring distribution beam (11.2), round steel or high tensile steel wire (11.3) and a pad (11.4) are formed, anchoring distribution beam (11.2) places on the pad (11.4), suspender belt (11.1) is anchored on the distribution beam (11.2), and is connected on the Hanging Basket (7) by steel pin.
CN2009200825047U 2009-07-14 2009-07-14 Assembly type non-bracket casting side span cast-in-situ section and closure section in continuous rigid structure CN201526011U (en)

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Application Number Priority Date Filing Date Title
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102425117A (en) * 2011-12-26 2012-04-25 中铁大桥局股份有限公司 Construction method for non-cantilever sections of sidespans of multiplex continuous beam or steel-constructed beam
CN102493362A (en) * 2011-11-24 2012-06-13 中铁二十三局集团有限公司 Construction method for midspan closure segment of longspan continuous rigid frame bridge
CN102505636A (en) * 2011-10-28 2012-06-20 中铁十六局集团有限公司 Construction method of No.0 block of continuous rigid frame bridge of double-thin-wall pier
CN103556578A (en) * 2013-10-14 2014-02-05 中铁十九局集团有限公司 Straight-line section and side span closure section casting mold system for continuous beam and erection method for casting mold system
CN103572708A (en) * 2013-10-29 2014-02-12 西南交通大学 Large-span concrete continuous girder bridge side span folding device and method
CN104047234A (en) * 2014-04-02 2014-09-17 中铁二院工程集团有限责任公司 Self load bearing side span closure construction method for corrugated steel web plate continuous rigid frame bridge
CN104790302A (en) * 2015-05-08 2015-07-22 中南林业科技大学 Hanging-basket and bent-cap-support matched integral construction method for side span linear segment of high-pier continuous rigid frame bridge
CN105484158A (en) * 2015-12-02 2016-04-13 中交路桥建设有限公司 Asymmetrical casting construction method of side span of rigid frame bridge with extra high piers and long span length
CN106522102A (en) * 2016-11-22 2017-03-22 中交公局海威工程建设有限公司 Side span construction support, rigid frame bridge side span and rigid frame bridge
CN110685227A (en) * 2019-11-02 2020-01-14 中铁七局集团有限公司 Construction method of formwork support system of obstacle-crossing wide-width swivel bridge closure segment hanging bracket method

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102505636B (en) * 2011-10-28 2014-09-10 中铁十六局集团有限公司 Construction method of No.0 block of continuous rigid frame bridge of double-thin-wall pier
CN102505636A (en) * 2011-10-28 2012-06-20 中铁十六局集团有限公司 Construction method of No.0 block of continuous rigid frame bridge of double-thin-wall pier
CN102493362A (en) * 2011-11-24 2012-06-13 中铁二十三局集团有限公司 Construction method for midspan closure segment of longspan continuous rigid frame bridge
CN102425117A (en) * 2011-12-26 2012-04-25 中铁大桥局股份有限公司 Construction method for non-cantilever sections of sidespans of multiplex continuous beam or steel-constructed beam
CN103556578A (en) * 2013-10-14 2014-02-05 中铁十九局集团有限公司 Straight-line section and side span closure section casting mold system for continuous beam and erection method for casting mold system
CN103556578B (en) * 2013-10-14 2015-05-13 中铁十九局集团有限公司 Straight-line section and side span closure section casting mold system for continuous beam and erection method for casting mold system
CN103572708A (en) * 2013-10-29 2014-02-12 西南交通大学 Large-span concrete continuous girder bridge side span folding device and method
CN103572708B (en) * 2013-10-29 2015-06-03 西南交通大学 Large-span concrete continuous girder bridge side span folding device and method
CN104047234A (en) * 2014-04-02 2014-09-17 中铁二院工程集团有限责任公司 Self load bearing side span closure construction method for corrugated steel web plate continuous rigid frame bridge
CN104047234B (en) * 2014-04-02 2016-05-11 中铁二院工程集团有限责任公司 Wavelike steel webplate continuous rigid frame bridge self-supporting end bay closure construction method
CN104790302A (en) * 2015-05-08 2015-07-22 中南林业科技大学 Hanging-basket and bent-cap-support matched integral construction method for side span linear segment of high-pier continuous rigid frame bridge
CN105484158A (en) * 2015-12-02 2016-04-13 中交路桥建设有限公司 Asymmetrical casting construction method of side span of rigid frame bridge with extra high piers and long span length
CN106522102A (en) * 2016-11-22 2017-03-22 中交公局海威工程建设有限公司 Side span construction support, rigid frame bridge side span and rigid frame bridge
CN110685227A (en) * 2019-11-02 2020-01-14 中铁七局集团有限公司 Construction method of formwork support system of obstacle-crossing wide-width swivel bridge closure segment hanging bracket method

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C53 Correction of patent for invention or patent application
COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: HUANG JINHUA NI HONG CAI YUEJUN WANG BIYUN CHEN MINGKAI GOU YONG TO: HUANGJINPING NI HONG CAI YUEJUN WANG BIYUN CHEN MINGKAI GOU YONG

Free format text: CORRECT: INVENTOR; FROM: HUANG JINHUA NI HONG CAI YUEJUN WANG BIYUN CHEN MINGKAI GOU YONG TO: HUANG JINPING NI HONG CAI YUEJUN WANG BIYUN CHEN MINGKAI GOU YONG

CB03 Change of inventor or designer information

Inventor after: Huang Jinping

Inventor after: Ni Hong

Inventor after: Cai Lejun

Inventor after: Wang Biyun

Inventor after: Chen Mingkai

Inventor after: Gou Yong

Inventor before: Huang Jinhua

Inventor before: Ni Hong

Inventor before: Cai Lejun

Inventor before: Wang Biyun

Inventor before: Chen Mingkai

Inventor before: Gou Yong

CX01 Expiry of patent term

Granted publication date: 20100714

CX01 Expiry of patent term