CN102587287A - Construction method for integral lifting of single channel girders of single-span channel girder bridge - Google Patents
Construction method for integral lifting of single channel girders of single-span channel girder bridge Download PDFInfo
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- CN102587287A CN102587287A CN2012100875659A CN201210087565A CN102587287A CN 102587287 A CN102587287 A CN 102587287A CN 2012100875659 A CN2012100875659 A CN 2012100875659A CN 201210087565 A CN201210087565 A CN 201210087565A CN 102587287 A CN102587287 A CN 102587287A
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Abstract
The invention relates to a construction method for integral lifting of single channel girders of a single-span channel girder bridge. The single-span channel girder bridge is provided with an integral grid-girder type singly supported girder formed by connecting a plurality of channel beams through a plurality of connecting cross beams. The construction method includes the steps: the single channel beams and the single connecting cross beams are used as lifting objects respectively, the short single connecting cross beams can be directly manufactured and transported while the long single channel beams are heavy and cannot be transported, each single channel beam needs to be divided into three to five transport objects for manufacturing and transport according to the transport length requirement in a manufacturer, the channel beam transport object sets which are split are assembled into the single channel beams on the ground of a bridge site, and a crane truck is used for directly and respectively lifting the integral single channel beams and the integral single connecting cross beams to the bridge position for installation according to a set sequence. No temperature pier is needed, so that high construction cost can be saved, construction progress can be quickened, safety risks are reduced, and the construction method is highly worthy of popularization to construction of similar bridges.
Description
Technical field
The present invention relates to the job practices of a kind of single span flute profile beam bridge monolithic steel tank beam integral hoisting, belong to the large-scale component scene and set up mounting technique, be mainly used in steel structural form the flute profile beam bridge set up installation, also can be applicable to other field of analog structure type.
Background technology
Beam bridge is applied to overhead road of city more, can it be divided into rc beam bridge, prestressed concrete beam bridge, steel work beam bridge and concrete and steel combining structure beam bridge by the difference that adopts material.Rc beam bridge adopts the cast-in-place job practices of template more, and prestressed concrete beam bridge adopts special-purpose special bridge formation machine single span monolithic to set up installation more, and the steel work beam bridge can be divided into steel case beam, steel truss girder and steel tank beam again by its form of structure.Steel case beam beam bridge is to use more a kind of bridge type in the present bridge construction, and it is more that it sets up mounting method, because its single span is longer; The case beam section is bigger; Single span weight is heavier, thus generally be to adopt the temporary rest pier multi-segmental to set up installation, even adopt pushing tow or dilatory; Still platform for lining need be set, bound temporary rest pier; Steel truss girder beam bridge, steel tank beam beam bridge and concrete and steel combining structure beam bridge are used less relatively, and the mounting method that sets up of employing is followed the identical of steel case beam beam bridge.So the steel structure girder crane span structure is established all bound temporary rest pier that adopts of installation.
The construction of temporary rest pier relates to the exploration and the processing on basis, ground; The calculating of temporary rest pier structure Design and structural strength thereof and stability, relevant issues such as the manufacturing of temporary rest pier structure, transportation and installation, therefore; Beam bridge sets up to install and adopts the temporary rest pier lift-on/lift-off system; Still do not increase construction working amount and construction cost, also can influence construction speed, increased construction safety risk.Need not temporary rest pier and adopt automobile crane to set up beam bridge is installed is exactly a kind of desirable job practices of pursuing in the bridge construction all the time, also is certainly to be difficult to the problem found the solution together.
Summary of the invention
The objective of the invention is needs the difficult problem of temporary rest pier in order to solve when steel work channel beam crane span structure is established, and the job practices of the single span flute profile beam bridge monolithic steel tank beam integral hoisting that a kind of work progress need not temporary rest pier is provided.
The technical measures that the present invention takes in order to achieve the above object are: the job practices that the integral hoisting of a kind of single span flute profile beam bridge monolithic steel tank beam is provided; Connect crossbeam by multi-disc steel tank beam through many and connect the simply supported beam that constitutes whole panel grider form, construction as follows:
(1) division of lifting elements: lifting elements is divided into steel tank beam lifting elements and is connected two types of crossbeam lifting elements; The steel tank beam press the channel beam spanning apart from total length as monolithic steel tank beam lifting elements, connect crossbeam with single connection crossbeam as connecting the crossbeam lifting elements;
(2) manufacturing of delivery unit and transportation: singlely be connected crossbeam appearance and size and weight all satisfies movement requirement, adopt every to connect crossbeam and make and transport as a delivery unit; Monolithic steel tank beam appearance and size and weight can't satisfy movement requirement more greatly, should in manufactory, by movement requirement monolithic steel tank beam be split into 3～5 steel tank beam delivery units and make;
(3) assembly unit of monolithic steel tank beam: on the ground at bridge site place, be unit, the steel tank beam delivery unit that is split into 3～5 delivery units is assembled into monolithic steel tank beam lifting elements with monolithic steel tank beam lifting elements;
(4) lifting: employing can be satisfied the automobile crane lifting of lifting requirements; Lifting is to lift outermost monolithic steel tank beam earlier in proper order, directly lifts on the bearing of two adjacent permanent bridge piers, then lifts adjacent monolithic steel tank beam; Also directly lift on the bearing of two adjacent permanent bridge piers; And then lifting connection crossbeam, lift the correspondence position between the two monolithic steel tank beams that lifted respectively with connecting crossbeam, directly be connected connecting crossbeam with the two monolithic steel tank beams that lifted; In like manner lift monolithic steel tank beam successively afterwards and be connected crossbeam, up to accomplishing whole lifting components.
The structural strength and the rigidity of monolithic steel tank beam lifting elements of the present invention all should be able to satisfy the integral hoisting requirement; Length should be able to satisfy on the bearing that directly is placed on two adjacent permanent bridge piers, and connecting crossbeam should be able to be that supporting construction is directly installed welding to lift two steel tank beams that put in place.
Flute profile beam bridge described in the present invention is to connect crossbeam by multi-disc steel tank beam through many to connect the whole panel grider that constitutes; Because monolithic steel tank beam lifting elements length should be the total length of span; General length all has 40～60 meters; So monolithic steel tank beam lifting elements is difficult to transport, and for satisfying movement requirement, should in manufactory, by movement requirement monolithic steel tank beam be divided into 3～5 steel tank beam delivery units and make; And connect the crossbeam lifting elements is laterally to connect two monolithic steel tank beams, and general length has only 1～3 meter just can single connection crossbeam be divided into 1 delivery unit.
Construction method for hanging of the present invention has following advantage:
1. the single span flute profile beam bridge of panel grider form is pressed monolithic steel tank beam and single to be connected crossbeam independent of separately lifting elements; Realized that the bridge location high-altitude do not have the job practices of transverse annular joint and welding, the condition that guarantees weldquality effectively is provided from construction environment.
2. monolithic steel tank beam being divided into 3～5 steel tank beam delivery units that can satisfy the highway transportation requirement makes in factory; After being transported to the bridge site place; The steel tank beam delivery unit that on the ground at bridge site place, will be split manufacturing again is assembled into monolithic steel tank beam lifting elements and lifts; This has not only solved the problem that large-scale component is difficult to transport, and has also solved small members simultaneously the problem that must adopt temporary rest pier is installed.
3. adopt monolithic steel tank beam integral body directly to lift to set up on the bearing of two adjacent permanent bridge piers single span flute profile beam bridge is installed; Realize adopting the automobile crane lifting and need not to be provided with the job practices that temporary rest pier sets up beam bridge; Thereby the exploration of basis, ground and the processing that need temporary rest pier be set and relate to have been reduced; Temporary rest pier structure design and structural strength thereof and Calculation on stability, related works such as the manufacturing of temporary rest pier structure, transportation and installation, but and accelerating construction progress; Reduce security risk, save construction cost.
Description of drawings
Fig. 1 is the typical single span flute profile beam bridge schematic perspective view that the present invention is directed to.
Fig. 2 is a monolithic steel tank beam on-site consolidation sketch map of the present invention.
Fig. 3 is single span channel beam bridge crane dress order one sketch map of the present invention.
Fig. 4 is single span channel beam bridge crane dress order two sketch mapes of the present invention.
Fig. 5 is single span channel beam bridge crane dress order three sketch mapes of the present invention.
Fig. 6 is single span channel beam bridge crane dress order four sketch mapes of the present invention.
Among the above-mentioned figure: 1-steel tank beam, 2-connects crossbeam, the permanent bridge pier of 3-, 4-bearing, 5-steel tank beam delivery unit, 6-automobile crane.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Embodiment 1: the job practices of a kind of single span flute profile beam bridge monolithic steel tank beam of the present invention integral hoisting; In the bridge construction construction, use; The typical flute profile beam bridge that the present invention is directed to is as shown in Figure 1, i.e. the single span simply supported beam flute profile beam bridge of panel grider form, and the structure that relates in this bridge type construction has steel tank beam 1; Connect crossbeam 2, permanent bridge pier 3.The job practices of single span flute profile beam bridge monolithic steel tank beam of the present invention integral hoisting, construction as follows:
(1) division of lifting elements: lifting elements can be divided into two types; Be steel tank beam lifting elements and be connected the crossbeam lifting elements; Because the flute profile beam bridge is to connect crossbeam 2 by multi-disc steel tank beam 1 through many to connect the whole panel grider that constitutes; As shown in Figure 1, so steel tank beam lifting elements just can be divided into the monolithic steel tank beam 1 that length is the span total length, connect the crossbeam lifting elements and just can be divided into single connection crossbeam 2.
(2) manufacturing of delivery unit and transportation: singlely be connected crossbeam 2 appearance and sizes and weight all satisfies movement requirement, adopt every to connect crossbeam 2 and make and transport as a delivery unit; Monolithic steel tank beam 1 length and weight can't satisfy movement requirement more greatly, should in manufactory, by movement requirement monolithic steel tank beam 1 be split into 3 steel tank beam delivery units 5 and make.
(3) assembly unit of monolithic steel tank beam: when the steel tank beam delivery unit 5 that splits manufacturing is transported to the bridge site place; On the ground at bridge site place; With monolithic steel tank beam lifting elements is unit, is assembled into complete monolithic steel tank beam 1 lifting elements with being split into 3 steel tank beam delivery units 5, as shown in Figure 2.
(4) lifting: employing can be satisfied automobile crane 6 liftings of lifting requirements; Lifting is to lift outermost monolithic steel tank beam 1 earlier in proper order; Directly lift on the bearing 4 of two adjacent permanent bridge piers 3; Promptly with two permanent bridge piers 3 as its supporting construction, need not to be provided with other temporary rest pier structure, as shown in Figure 3; Then lift its adjacent monolithic steel tank beam 1, also directly lift on two adjacent permanent bridge pier 3 bearings 4, as shown in Figure 4; And then lifting connection crossbeam 2, lift 5 correspondence positions that connect between crossbeam 2 to the two monolithic steel tank beams 1 that lifted respectively, as shown in Figure 5; Connecting crossbeam 2 is that supporting construction is directly installed welding to lift the two steel tank beams 1 that put in place.Need not to be provided with the temporary rest pier structure; In like manner lift monolithic steel tank beam 1 successively afterwards and be connected crossbeam 2, as shown in Figure 6, up to the lifting of accomplishing whole members, as shown in Figure 1.
Embodiment 2: the job practices of a kind of single span flute profile beam bridge monolithic steel tank beam of the present invention integral hoisting; In the bridge construction construction, use; Different is because flute profile beam bridge single span span is longer; Monolithic steel tank beam 1 is split as 5 steel tank beam delivery units 5 and makes and transport, and other construction sequence is identical with embodiment 1.
The job practices of a kind of single span flute profile beam bridge monolithic steel tank beam of the present invention integral hoisting; Convenient transportation, work progress do not need temporary rest pier, save construction cost; But accelerating construction progress also; Reduce security risk, be applicable to steel structural form single span flute profile beam bridge set up installation, also can be applicable to other field of analog structure type.
Claims (2)
1. the job practices of single span flute profile beam bridge monolithic steel tank beam integral hoisting connects crossbeam by multi-disc steel tank beam through many and connects the simply supported beam that constitutes whole panel grider form, it is characterized in that: construction as follows:
(1) division of lifting elements: lifting elements is divided into steel tank beam lifting elements and is connected two types of crossbeam lifting elements; The steel tank beam press the channel beam spanning apart from total length as monolithic steel tank beam lifting elements, connect crossbeam with single connection crossbeam as connecting the crossbeam lifting elements;
(2) manufacturing of delivery unit and transportation: singlely be connected crossbeam appearance and size and weight all satisfies movement requirement, adopt every to connect crossbeam and make and transport as a delivery unit; Monolithic steel tank beam appearance and size and weight can't satisfy movement requirement more greatly, should in manufactory, by movement requirement monolithic steel tank beam be split into 3～5 steel tank beam delivery units and make;
(3) assembly unit of monolithic steel tank beam: on the ground at bridge site place, be unit, the steel tank beam delivery unit that is split into 3～5 delivery units is assembled into monolithic steel tank beam lifting elements with monolithic steel tank beam lifting elements;
(4) lifting: employing can be satisfied the automobile crane lifting of lifting requirements; Lifting is to lift outermost monolithic steel tank beam earlier in proper order, directly lifts on the bearing of two adjacent permanent bridge piers, then lifts adjacent monolithic steel tank beam; Also directly lift on the bearing of two adjacent permanent bridge piers; And then lifting connection crossbeam, lift the correspondence position between the two monolithic steel tank beams that lifted respectively with connecting crossbeam, directly be connected connecting crossbeam with the two monolithic steel tank beams that lifted; In like manner lift monolithic steel tank beam successively afterwards and be connected crossbeam, up to accomplishing whole lifting components.
2. the job practices of a kind of single span flute profile beam bridge monolithic steel tank beam according to claim 1 integral hoisting; It is characterized in that: the structural strength and the rigidity of described monolithic steel tank beam lifting elements all should be able to satisfy the integral hoisting requirement; Length should be able to satisfy on the bearing that directly is placed on two adjacent permanent bridge piers, and connecting crossbeam should be able to be that supporting construction is directly installed welding to lift two steel tank beams that put in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210087565.9A CN102587287B (en) | 2012-03-29 | 2012-03-29 | Construction method for integral lifting of single channel girders of single-span channel girder bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210087565.9A CN102587287B (en) | 2012-03-29 | 2012-03-29 | Construction method for integral lifting of single channel girders of single-span channel girder bridge |
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| CN102587287A true CN102587287A (en) | 2012-07-18 |
| CN102587287B CN102587287B (en) | 2014-07-16 |
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| CN201210087565.9A Active CN102587287B (en) | 2012-03-29 | 2012-03-29 | Construction method for integral lifting of single channel girders of single-span channel girder bridge |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672139A (en) * | 2016-04-14 | 2016-06-15 | 中铁二局集团有限公司 | Hollow bridge pier capping construction method |
| CN109083013A (en) * | 2018-08-17 | 2018-12-25 | 天津浮斯特吊装工程有限公司 | A kind of bridge hoisting method |
| CN114592440A (en) * | 2022-03-21 | 2022-06-07 | 武汉市规划设计有限公司 | Fabricated steel-concrete composite bridge superstructure and construction process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575148Y (en) * | 2002-09-26 | 2003-09-24 | 上海市隧道工程轨道交通设计研究院 | Balance device for obstructing passage of vehicle |
| CN1485498A (en) * | 2002-09-26 | 2004-03-31 | 上海市隧道工程轨道交通设计研究院 | Construction method for longitudinally assembling prefabricated subsection of channel beam |
| CN2918523Y (en) * | 2006-07-12 | 2007-07-04 | 湖南大学 | Bamboo wood bridge |
| JP2009068249A (en) * | 2007-09-13 | 2009-04-02 | Sumitomo Mitsui Construction Co Ltd | Bridge construction method |
-
2012
- 2012-03-29 CN CN201210087565.9A patent/CN102587287B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575148Y (en) * | 2002-09-26 | 2003-09-24 | 上海市隧道工程轨道交通设计研究院 | Balance device for obstructing passage of vehicle |
| CN1485498A (en) * | 2002-09-26 | 2004-03-31 | 上海市隧道工程轨道交通设计研究院 | Construction method for longitudinally assembling prefabricated subsection of channel beam |
| CN2918523Y (en) * | 2006-07-12 | 2007-07-04 | 湖南大学 | Bamboo wood bridge |
| JP2009068249A (en) * | 2007-09-13 | 2009-04-02 | Sumitomo Mitsui Construction Co Ltd | Bridge construction method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672139A (en) * | 2016-04-14 | 2016-06-15 | 中铁二局集团有限公司 | Hollow bridge pier capping construction method |
| CN105672139B (en) * | 2016-04-14 | 2018-07-13 | 中铁二局集团有限公司 | A kind of bridge hollow pier binds construction |
| CN109083013A (en) * | 2018-08-17 | 2018-12-25 | 天津浮斯特吊装工程有限公司 | A kind of bridge hoisting method |
| CN114592440A (en) * | 2022-03-21 | 2022-06-07 | 武汉市规划设计有限公司 | Fabricated steel-concrete composite bridge superstructure and construction process thereof |
| CN114592440B (en) * | 2022-03-21 | 2024-03-19 | 武汉市规划设计有限公司 | Upper structure of assembled steel-concrete combined bridge and construction process thereof |
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| CN102587287B (en) | 2014-07-16 |
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