CN101793006A - Construction method for rapid construction of support cast-in-situ continuous beam - Google Patents

Construction method for rapid construction of support cast-in-situ continuous beam Download PDF

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Publication number
CN101793006A
CN101793006A CN200910227605A CN200910227605A CN101793006A CN 101793006 A CN101793006 A CN 101793006A CN 200910227605 A CN200910227605 A CN 200910227605A CN 200910227605 A CN200910227605 A CN 200910227605A CN 101793006 A CN101793006 A CN 101793006A
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China
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continuous beam
construction
traversing
bottom die
support
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CN200910227605A
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CN101793006B (en
Inventor
樊俊惠
耿克强
李艳哲
刘晓阳
吴向军
谭国顺
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No1 Engineering Co Ltd Zhongtie Bridge Bureau Group
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No1 Engineering Co Ltd Zhongtie Bridge Bureau Group
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Abstract

The invention discloses a construction method for the rapid construction of a support cast-in-situ continuous beam. The method is that a pier-side support is installed beside a pier, the foundation construction of the pier-side support and a bridge beam are conducted in parallel, a pouring support is established after the foundation construction is completed, a bottom mold platform is established on the pier-side support, the installation of continuous beam templates and the overall binding of steel bars are conducted on the bottom mold platform, the bottom mold platform and the bound continuous beam templates are transversely moved to the pouring support and finally continuous beam concrete is poured. The construction method can satisfy the rapid construction requirement that the continuous beam templates and the steel bars are integrally and transversely moved.

Description

The job practices of a kind of support cast-in-place continuous beam rapid construction
Technical field
The present invention relates to a kind of method for bridge construction, the job practices of especially a kind of support cast-in-place continuous beam rapid construction.
Background technology
The job practices of support cast-in-place continuous beam routine is carried out the construction of continuous beam at place, pier position mounting bracket on support.Place, pier position rack construction has the feature of the following aspects:
(1) construction of place, pier position support must just can be carried out after pier construction finishes, and carries out the construction of support and platform then, and continuous beam reinforcing bar, prestress pipe etc., qualified after-pouring concrete are installed at formwork erection on the platform and after adjusting absolute altitude.
(2) utilize pier position place's support time on the duration long, the installation of template, reinforcing bar, prestress pipe etc. must be undertaken by the step after pier construction finishes, and can not satisfy the construction needs under the situation of duration anxiety.
Summary of the invention
The objective of the invention is to solve under the condition of duration anxiety, can reach the traversing job practices of a kind of continuous beam template steel bar overall of rapid construction requirement.
For achieving the above object, the present invention adopts following technical scheme: the job practices of a kind of support cast-in-place continuous beam rapid construction, the other pier collateral branch frame of installing in the pier position, pier collateral branch frame separates parallel carrying out with the foundation construction of bridge, on pier collateral branch frame, set up bottom die platform, on bottom die platform, carry out the installation of continuous beam template, steel bar overall binding, after foundation construction is finished, the continuous beam template of bottom die platform and colligation is traversing to the bridge location support, build the continuous beam concrete.
To comprise when traversing that bottom die platform, template reinforcing bar and continuous beam template are traversing together to the bridge location support, back fluid concrete.
The foundation construction of pier collateral branch frame and bridge is carried out simultaneously.
Between pier collateral branch frame and bridge location support, adopt stake top distribution beam as slideway, after continuous beam template, reinforcement construction finish, continuous beam template, steel bar overall and bottom die platform are laterally slid onto the bridge main track design attitude of bridge location support by slideway, and continuous beam formwork integral and bottom die platform are promoted by traversing vertically-displacable jack.
Earlier the slideway end face is polished before traversing, and evenly coat butter in the above, evenly draw continuous beam formwork integral and bottom die platform both sides when traversing, should hold continuous beam formwork integral and bottom die platform with Chain block simultaneously in traversing opposite direction in traversing process, the traversing back and adjust absolute altitude of putting in place, reinforced liner is built the continuous beam concrete again.
Construction strip foundation earlier during described pier collateral branch frame construction is established steel pipe column on strip foundation, connect by connecting system between the steel pipe column, and a top distribution beam, bottom die platform, continuous beam template and reinforcing bar are installed successively at the steel pipe column top then.
Beneficial effect of the present invention is:
1, the present invention can begin construction bracket when bases such as construction drill stake, and with not conflict mutually of major project construction, the time started that is about to Construction of continuous beam shifts to an earlier date;
2, the traversing job practices of the pre-bundle of a kind of continuous beam template of the present invention steel bar overall, described support, continuous beam template reinforcing bar can be constructed in advance, have saved the construction period so greatly, thereby have guaranteed the requirement that the whole duration plans;
3, a kind of continuous beam template of the present invention steel bar overall is pre-pricks traversing job practices, more guaranteed to the beam quality with respect to traversing in place behind the dystopy cast-in-situ box girder, not influenced by girder construction, and without the roof fall beam, it is also less relatively to face input greatly.
Description of drawings
Fig. 1 is the traversing preceding structural representation of the present invention;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is the B-B view of Fig. 1;
Fig. 4 is the structural representation of the present invention after traversing.
The specific embodiment
By the job practices of Fig. 1, Fig. 2, Fig. 3 and a kind of support cast-in-place continuous beam rapid construction shown in Figure 4, its construction sequence is:
The other pier collateral branch frame 6 of installing in the pier position, pier collateral branch frame 6 and the foundation construction of bridge separate and parallelly carry out simultaneously, and the foundation construction of bridge is the foundation construction of continuous beam drilled pile, cushion cap 11, pier shaft 10, can build bridge location support 9 during foundation construction.Setting up strip foundation 7 earlier during 6 constructions of described pier collateral branch frame, establish steel pipe column 4 on strip foundation 7, is 5 to connect by connection between the steel pipe column 4, and the built-in fitting of pier shaft 10 was attached thereto when steel pipe column 4 utilized foundation construction.A top distribution beam 3 is set up as slideway in steel pipe column 4 tops between pier collateral branch frame 6 and bridge location support 9, on the stake top of pier collateral branch frame 6 distribution beam 3, set up bottom die platform 2 then, on bottom die platform 2, carry out the installation of continuous beam template 1, steel bar overall binding, the inner and outer template of continuous beam template 1 is fixed into an integral body, earlier stake top distribution beam 3 end faces are polished, and evenly coat butter in the above, continuous beam template 1 integral body and bottom die platform 2 are laterally slid onto the design attitude of the bridge main track 8 of bridge location support 9, continuous beam template 1 by stake top distribution beam 3, continuous beam reinforcing bar 12 integral body and bottom die platform 2 are promoted by traversing vertically-displacable jack.Evenly draw continuous beam template 1 integral body and bottom die platform 2 both sides when traversing, should hold continuous beam template 1 integral body and bottom die platform 2 with Chain block simultaneously in traversing opposite direction in traversing process, the traversing back and adjust absolute altitude of putting in place, reinforced liner is built the continuous beam concrete again after the passed examination.
Technical requirements when traversing: stake top distribution beam 3 needs to guarantee installation accuracy, and all piles top distribution beam 3 guarantees its parallelism, thereby guarantees whole laterally slippage.Earlier with the polishing of stake top distribution beam 3 end faces, evenly coat butter in the above before traversing, to reduce frictional resistance, the speed of jack is consistent, assumes unified command of when traversing, avoids producing to reverse the support framework is influenced.Evenly draw both sides when traversing, should hold continuous gang mould plate 1, bottom die platform 2 etc. with Chain block simultaneously in traversing opposite direction in traversing process, topples preventing.Certainly, the present invention is not limited to above-mentioned form, and pier collateral branch frame 6, bottom die platform 2 and continuous beam template reinforcing bar can be constructed in advance, not influenced by the bridge foundation construction progress.

Claims (6)

1. the job practices of support cast-in-place continuous beam rapid construction, it is characterized in that: the other pier collateral branch frame of installing in the pier position, pier collateral branch frame separates parallel carrying out with the foundation construction of bridge, on pier collateral branch frame, set up bottom die platform, on bottom die platform, carry out the installation of continuous beam template, steel bar overall binding, after foundation construction is finished, the continuous beam template of bottom die platform and colligation is traversing to the bridge location support, build the continuous beam concrete.
2. the job practices of a kind of support cast-in-place continuous beam as claimed in claim 1 rapid construction is characterized in that: will comprise when traversing that bottom die platform, template reinforcing bar and continuous beam template are traversing together to the bridge location support, back fluid concrete.
3. the job practices of a kind of support cast-in-place continuous beam as claimed in claim 1 rapid construction is characterized in that: the foundation construction of pier collateral branch frame and bridge is carried out simultaneously.
4. as the job practices of each described a kind of support cast-in-place continuous beam rapid construction of claim 1-3, it is characterized in that: between pier collateral branch frame and bridge location support, adopt stake top distribution beam as slideway, after continuous beam template, reinforcement construction finish, continuous beam template, steel bar overall and bottom die platform are laterally slid onto the bridge main track design attitude of bridge location support by slideway, and continuous beam formwork integral and bottom die platform are promoted by traversing vertically-displacable jack.
5. the job practices of a kind of support cast-in-place continuous beam as claimed in claim 4 rapid construction, it is characterized in that: earlier the slideway end face is polished before traversing, and evenly coat butter in the above, evenly draw continuous beam formwork integral and bottom die platform both sides when traversing, should hold continuous beam formwork integral and bottom die platform with Chain block simultaneously in traversing opposite direction in traversing process, traversing put in place the back and adjust absolute altitude, reinforced liner is built the continuous beam concrete again.
6. the job practices of a kind of support cast-in-place continuous beam as claimed in claim 5 rapid construction, it is characterized in that: construction strip foundation earlier during described pier collateral branch frame construction, on strip foundation, establish steel pipe column, connect by connecting system between the steel pipe column, a top distribution beam, bottom die platform, continuous beam template and reinforcing bar are installed successively at the steel pipe column top then.
CN2009102276053A 2009-12-23 2009-12-23 Construction method for rapid construction of support cast-in-situ continuous beam Active CN101793006B (en)

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CN102286924A (en) * 2011-06-30 2011-12-21 石家庄市环城公路建设指挥部办公室 Bridge construction method with inverted procedures
CN102650118A (en) * 2012-05-18 2012-08-29 科达集团股份有限公司 Construction device and method for erecting prefabricated beam by slip method
CN102797223A (en) * 2012-08-22 2012-11-28 中铁十九局集团第七工程有限公司 Construction method for cast-in-place of continuous beam at turnout junction for passenger transport line in seawall area by false work method
CN103233426A (en) * 2013-04-27 2013-08-07 中国建筑第六工程局有限公司 Bailey beam support free of buttress in soft foundation and supporting method thereof
CN103469732A (en) * 2013-09-22 2013-12-25 中建八局第三建设有限公司 Construction method of preformed holes for foundation bolts of bridge support
CN103821073A (en) * 2014-03-14 2014-05-28 张美娇 Small-sized bridge and construction method thereof
CN104060546A (en) * 2014-07-11 2014-09-24 四川川交路桥有限责任公司 Overall longitudinal movement construction method for cast-in-place support frame of box beam of continuous beam bridge
CN104074142A (en) * 2014-07-11 2014-10-01 四川川交路桥有限责任公司 Box beam cast-in-place support whole-horizontal-moving construction method
CN104695336A (en) * 2015-01-15 2015-06-10 中铁大桥局集团第五工程有限公司 Double-layer cast-in-situ beam support construction method adopting sequence from upper layer to lower layer
CN110965476A (en) * 2019-12-16 2020-04-07 中铁七局集团有限公司 Method for controlling deformation of beam body in construction of large-span long-section asymmetric continuous beam
CN112281664A (en) * 2020-10-22 2021-01-29 中铁八局集团第一工程有限公司 Slip form construction method for cast-in-situ of large-span simply supported beam

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IT1198962B (en) * 1984-11-15 1988-12-21 Romualdo Macchi LAUNCHING SYSTEM FOR BRIDGE SPANES IN CONTINUOUS BEAM SPECIES FORMED FROM PREFABRICATED SEGMENTS AND TO BE TIGHTENED IN WORK WITH PRECOMPRESSION CABLES
CN100587165C (en) * 2007-06-25 2010-02-03 中铁二十局集团有限公司 Cast-in-situ beam-making construction method of assembled support
CN101158146A (en) * 2007-11-20 2008-04-09 中铁大桥局集团第二工程有限公司 Cable-stayed bridge main-beam sliding form frame system and construction method
CN101440606A (en) * 2008-12-29 2009-05-27 中铁大桥局股份有限公司 Pier-side bracket capable of adjusting spatial position of steel beam
CN101457513B (en) * 2008-12-30 2010-09-15 中铁大桥局集团第三工程有限公司 Bridge erection method

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102286924A (en) * 2011-06-30 2011-12-21 石家庄市环城公路建设指挥部办公室 Bridge construction method with inverted procedures
CN102650118A (en) * 2012-05-18 2012-08-29 科达集团股份有限公司 Construction device and method for erecting prefabricated beam by slip method
CN102650118B (en) * 2012-05-18 2013-12-04 江西建工第二建筑有限责任公司 Construction device and method for erecting prefabricated beam by slip method
CN102797223A (en) * 2012-08-22 2012-11-28 中铁十九局集团第七工程有限公司 Construction method for cast-in-place of continuous beam at turnout junction for passenger transport line in seawall area by false work method
CN102797223B (en) * 2012-08-22 2014-05-14 中铁十九局集团第七工程有限公司 Construction method for cast-in-place of continuous beam at turnout junction for passenger transport line in seawall area by false work method
CN103233426A (en) * 2013-04-27 2013-08-07 中国建筑第六工程局有限公司 Bailey beam support free of buttress in soft foundation and supporting method thereof
CN103469732B (en) * 2013-09-22 2015-07-15 中建八局第三建设有限公司 Construction method of preformed holes for foundation bolts of bridge support
CN103469732A (en) * 2013-09-22 2013-12-25 中建八局第三建设有限公司 Construction method of preformed holes for foundation bolts of bridge support
CN103821073A (en) * 2014-03-14 2014-05-28 张美娇 Small-sized bridge and construction method thereof
CN103821073B (en) * 2014-03-14 2018-08-28 江苏四通路桥工程有限公司 A kind of small bridge and its construction method
CN104060546A (en) * 2014-07-11 2014-09-24 四川川交路桥有限责任公司 Overall longitudinal movement construction method for cast-in-place support frame of box beam of continuous beam bridge
CN104074142A (en) * 2014-07-11 2014-10-01 四川川交路桥有限责任公司 Box beam cast-in-place support whole-horizontal-moving construction method
CN104695336A (en) * 2015-01-15 2015-06-10 中铁大桥局集团第五工程有限公司 Double-layer cast-in-situ beam support construction method adopting sequence from upper layer to lower layer
CN104695336B (en) * 2015-01-15 2016-09-28 中铁大桥局集团第五工程有限公司 The double-deck first up and then down stand construction method of Cast-in-situ Beam
CN110965476A (en) * 2019-12-16 2020-04-07 中铁七局集团有限公司 Method for controlling deformation of beam body in construction of large-span long-section asymmetric continuous beam
CN112281664A (en) * 2020-10-22 2021-01-29 中铁八局集团第一工程有限公司 Slip form construction method for cast-in-situ of large-span simply supported beam

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