CN104099871A - Arching structure of high large-span bridge bailey beams and construction method thereof - Google Patents
Arching structure of high large-span bridge bailey beams and construction method thereof Download PDFInfo
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- CN104099871A CN104099871A CN201410273583.5A CN201410273583A CN104099871A CN 104099871 A CN104099871 A CN 104099871A CN 201410273583 A CN201410273583 A CN 201410273583A CN 104099871 A CN104099871 A CN 104099871A
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- bailey beam
- support post
- bailey
- support
- arc
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Abstract
The invention provides an arching structure of high large-span bridge bailey beams and a construction method thereof. A fixed bracket is erected between piers on two sides through a plurality of supporting vertical columns and beams; an inclined plane is formed at top ends of every two supporting vertical columns; a plurality of inclined planes form a basic cambered surface; a standard bailey beam is erected on each inclined plane; the standard bailey beams are further connected with one another; an arc bracket is further erected on each inclined plane; casting templates are further erected on the arc brackets, so that the arching structure is formed; the preset height difference is formed through the supporting vertical columns; after the erecting of the supporting vertical columns, the arc requirement is initially achieved; the bailey beams are assembled into a plurality of inclined planes which are connected with one another; the bailey beams are erected on the inclined planes; one arc bracket is further arranged on each inclined plane. The method has the advantages of low construction difficulty, simple construction technology, convenience in operation, high safety factor and the like, and can be widely applied to construction of large span bridges, such as arch bridges and arch rings, with radian at bottoms.
Description
Technical field
The Bailey beam the present invention relates in field of bridge construction is assembled, specifically one-tenth arch structure and the construction method thereof of high Longspan Bridge Bailey beam.
Background technology
In bridge column cast-in-place construction, for making bridge become bridge line style and rigidity to meet the demands, in the situation that physical features is smooth, general full hall column or the steel pipe scaffold of adopting set up.Advantage: be that difficulty of construction is little, easy operating; Limitation: construction height, span are limited.
When job site relief is large, structure construction height is when higher, conventionally adopts the construction of steel pipe post+Bailey bracket.Advantage: material stiffness is large, construction span is large; Shortcoming: construction hoisting only limits to plane operations.
< < Shanxi architecture > > 7 monthly magazines in 2008: Bailey beam bow member assembled and and calculation on Construction, by Main Bridge arch ring, be that the long-pending catenary box-shaped of steel concrete uniform section is encircleed, its construction method adopts bow member cast-in-situ construction method, and bow member adopts cable lifting free cantilever erection construction method.In the method, cable lifting free cantilever erection need to be by auxiliary stand, and difficulty of construction coefficient is larger, and safety factor is low.
< < Chinese science and technology information > > the 6th phase in 2005: the application of Bailey beam bow member in Arch Bridge Construction, be the assembled bow member of Bailey beam as Arch Bridge Ribs construction bracket, the constructure scheme that is comparative superiority to the higher leap cheuch of headroom.Method is also with steel pipe, to be barricaded as the cast-in-place arch ring of support leveling in Bailey beam, uses comparatively trouble.
2014202034544 1 kinds of Bailey beam arc supports, and mono-kind of 201420203453X is for setting up the Bailey beam of arc bridge.The enforcement of these two utility models has solved the arc problem of Bailey beam, for the construction of arc bridge more for convenience, but use and just seem unable to do what one wishes for high Loads of Long-span Bridges construction, because during the setting up of high Loads of Long-span Bridges, not only its span is large, and Bailey beam also can form inclined-plane, construction being not easy very.
Summary of the invention
The object of the invention is in order to solve the troublesome problem of high Loads of Long-span Bridges construction, special one-tenth arch structure and the construction method thereof that proposes high Longspan Bridge Bailey beam.
Technical solution of the present invention is for this reason: the one-tenth arch structure of high Longspan Bridge Bailey beam, the bridge pier and Duo Gen support post and the crossbeam that comprise both sides, it is characterized in that: with many support posts and crossbeam, between the bridge pier on both sides, set up the fixed support that becomes a differing heights, the top of every two support posts is tapered planes, a plurality of tapered planes form a basic cambered surface, the wherein added standard Bailey beam that is provided with of each tapered plane; Between standard Bailey beam and bridge pier, by Bailey beam one, be connected, between standard Bailey beam, by Bailey beam two, connect; Make Bailey beam be assembled into a plurality of interconnective tapered planes, on tapered plane, be provided with again arc support, on arc support, set up again casting template and become into arch structure.
Improvement to such scheme is: stamping die sand cylinder is installed at support post top.
Improvement to such scheme is: the top of stamping die sand cylinder is provided with transverse distribution beam.
Improvement to such scheme is: distribution beam is that i iron is made.
Improvement to such scheme is: the top of every support post is respectively equipped with voussoir one and voussoir two.
Bailey beam becomes the construction method of arch structure, comprise the lifting of the setting up of support post, Bailey beam, it is characterized in that: by support post, set up default difference of height, after allowing support post set up moulding, tentatively reach the requirement of arch (arc) shape, then Bailey beam is lifted into support post top, make Bailey beam be assembled into a plurality of interconnective tapered planes, on each tapered plane, be provided with again arc support; On arc support, set up again casting template and become into arch structure;
Specific construction step is as follows:
A, support post apolegamy
Before construction, according to drawing and scheme requirement, matched support post length;
B, support post are installed
According to precalculated height, start assembled support post piecemeal;
C, support post top absolute altitude repetition measurement
After support post installs, need measure support post top absolute altitude, the deviation producing is adjusted in time;
D, installation stamping die sand cylinder
Stamping die sand cylinder is installed at support post top, support post absolute altitude is carried out trickle adjustment, reaches better bridge molding effect simultaneously;
E, installation i iron distribution beam
After sand cylinder installs, horizontal i iron distribution beam is installed at its top;
F, installation wedge
The stability of installing for strengthening Bailey beam, installs wedge at i iron distribution beam top, by shellfish thunder pin, it is connected on tapered plane with Bailey beam, is fixed;
G, segmented assembly standard Bailey beam
On smooth location, in advance standard Bailey beam is carried out to segmented assembly;
H, segmental hoisting Bailey beam
Intersegmental at longitudinal two adjacent supporting sections, lifting standard Bailey beam;
I, Bailey beam connect arching
After each sections standard Bailey beam installation, start to install being connected of Bailey beam one and bridge pier, and will between sections standard Bailey beam, by Bailey beam two, connect into integral body, and make Bailey beam be assembled into a plurality of interconnective tapered planes, on each tapered plane, be provided with again arc support; On arc support, set up again casting template and become into arch structure.
Beneficial effect:
The present invention, mainly in high Loads of Long-span Bridges construction, while adopting Bailey beam support cast-in-place to execute, sets up in the situation that certain angle need to be set and uses when support;
Difficulty of construction is little, and construction technology is simple; Can first ground on the scene Bailey beam be carried out assembled, then by hanging device, install; Between wedge and Bailey beam, only need be connected, fix by shellfish thunder pin; Easy to operate, safety factor is high; Construct at the scene in normal situation, lift one group of Bailey beam more 20 minutes, can save a large amount of durations; Because Bailey beam has good rigidity, laterally connect into whole rear structural stability good, fitting operation safety factor is high.
The installation of stamping die sand cylinder is carried out trickle adjustment, is reached better bridge molding effect support post absolute altitude simultaneously;
Stamping die sand cylinder top is installed horizontal i iron distribution beam and has not only been solved installation and fine setting, and the use of distribution beam simultaneously makes its structure more firmly solid.
The use of voussoir one and voussoir two, convenient fine setting and dismounting.
In sum, the present invention, in high Loads of Long-span Bridges construction, has quite significantly advantage compared with prior art.
Accompanying drawing explanation
Fig. 1 is that support post of the present invention is set up structural representation.
Fig. 2 is that whole Bailey beam of the present invention is set up schematic diagram.
Fig. 3 is the schematic diagram that sets up of standard Bailey beam of the present invention.
Fig. 4 is the syndeton schematic diagram of two standard Bailey beams of the present invention.
Fig. 5 is the syndeton enlarged diagram of Bailey beam two in Fig. 4.
Fig. 6 is the syndeton enlarged diagram of Bailey beam one and bridge pier in Fig. 2.
Fig. 7 is the structural representation after installation forming of the present invention.
Fig. 8 is cross-sectional configuration schematic diagram in Fig. 7.
In figure, 1 is support post, the 2nd, and bridge pier, the 3rd, standard Bailey beam, the 4th, Bailey beam one, 5th, Bailey beam two, 6th, voussoir one, 7th, voussoir two, 8th, stamping die sand cylinder, the 9th, casting template, the 10th, i iron distribution beam, the 11st, arc support.
The specific embodiment
The present invention is as shown in Fig. 1,2,3,4,5,6,7,8.
The one-tenth arch structure of high Longspan Bridge Bailey beam, the bridge pier 2 and Duo Gen support post 1 and the crossbeam that comprise both sides, with many support posts 1 and crossbeam, between the bridge pier 2 on both sides, set up the fixed support that becomes a differing heights, the top of every two support posts 1 is a tapered plane, a plurality of tapered planes form a basic cambered surface, the added standard Bailey beam 3 that is provided with of each tapered plane wherein, between standard Bailey beam 3 and bridge pier 2, by Bailey beam 1, be connected, between standard Bailey beam 3, by Bailey beam 25, connect; Make Bailey beam be assembled into a plurality of interconnective tapered planes, on tapered plane, be provided with again arc support 11, on arc support 11, set up again casting template 9 and become into arch structure.
At support post 1 top, stamping die sand cylinder 8 is installed.
The top of stamping die sand cylinder 8 is provided with horizontal i iron distribution beam 10.
The top of every support post 1 is respectively equipped with voussoir 1 and voussoir 27.
Bailey beam is assembled arching on tapered plane: refer to after support post 1 is set up, at two 1 adjacent of support post, Bailey beam is installed, because adjacent supports column 1 scaffolding height is different, therefore produced the assembled Bailey beam of tapered plane.
Bailey beam becomes the construction method of arch structure, comprise the lifting of the setting up of support post 1, Bailey beam, by support post 1, set up default difference of height, after allowing support post 1 set up moulding, tentatively reach the requirement of arch (arc) shape, then Bailey beam is lifted into support post 1 top, Bailey beam is set up on the tapered plane of support post 1, makes Bailey beam be assembled into a plurality of interconnective tapered planes, is provided with arc support on tapered plane again; Tapered plane is set up into arch structure Bailey beam, and Specific construction step is as follows:
A, support post 1 apolegamy
Before construction, according to drawing and scheme requirement, matched support post 1 length; For ease of installing and removing, single support post 1 length should not surpass 5m in principle.
B, support post 1 are installed
According to precalculated height, start assembled support post 1 piecemeal; In installation process, should strengthen the inspection to each support post 1 weld seam, flange tie point.
C, support post 1 top absolute altitude repetition measurement
After support post 1 installs, need measure support post 1 top absolute altitude, the deviation producing is adjusted in time;
D, installation stamping die sand cylinder 8
At support post 1 top, stamping die sand cylinder 8 is installed, support post 1 absolute altitude is carried out trickle adjustment, reaches better bridge molding effect simultaneously.
E, installation i iron distribution beam 10
After stamping die sand cylinder installs, horizontal i iron distribution beam 10 is installed at its top.
F, installation wedge
The stability of installing for strengthening Bailey beam, installs wedge at i iron distribution beam 10 tops, by shellfish thunder pin, it is connected on tapered plane with Bailey beam, is fixed.
G, segmented assembly standard Bailey beam
On smooth location, in advance standard Bailey beam 3 is carried out to segmented assembly.
H, segmental hoisting standard Bailey beam 3
Intersegmental at longitudinal two adjacent supporting sections, lifting standard Bailey beam 3.
I, Bailey beam connect arching
After each sections standard Bailey beam 3 installations, start to install being connected of Bailey beam 1 and bridge pier 1, and will between sections standard Bailey beam 3, by Bailey beam 25, connect into integral body, Bailey beam is connected to a plurality of tapered planes, on each tapered plane, be provided with again arc support 11, on arc support 11, set up again casting template 9.
Claims (6)
1. the one-tenth arch structure of high Longspan Bridge Bailey beam, the bridge pier and Duo Gen support post and the crossbeam that comprise both sides, it is characterized in that: with many support posts and crossbeam, between the bridge pier on both sides, set up the fixed support that becomes a plurality of height, the top of every two support posts is tapered planes, and a plurality of tapered planes form a basic cambered surface; The added standard Bailey beam that is provided with of each tapered plane wherein, between standard Bailey beam and bridge pier, by Bailey beam one, be connected, between standard Bailey beam, by Bailey beam two, connect, make Bailey beam be assembled into a plurality of interconnective tapered planes, tapered plane is provided with arc support, sets up casting template again and become into arch structure on arc support.
2. the one-tenth arch structure of high Longspan Bridge Bailey beam according to claim 1, is characterized in that: stamping die sand cylinder is installed at support post top.
3. the one-tenth arch structure of high Longspan Bridge Bailey beam according to claim 2, is characterized in that: the top of stamping die sand cylinder is provided with transverse distribution beam.
4. the one-tenth arch structure of high Longspan Bridge Bailey beam according to claim 3, is characterized in that: distribution beam is that i iron is made.
5. the one-tenth arch structure of high Longspan Bridge Bailey beam according to claim 1 and 2, is characterized in that: the top of every support post is respectively equipped with voussoir one and voussoir two.
6. Bailey beam becomes the construction method of arch structure, comprise the lifting of the setting up of support post, Bailey beam, it is characterized in that: by support post, set up default difference of height, after allowing support post set up moulding, tentatively reach the requirement of arch (arc) shape, then Bailey beam is lifted into support post top, make Bailey beam be assembled into a plurality of interconnective tapered planes, Bailey beam is set up on tapered plane; On the tapered plane of each Bailey beam, be provided with again arc support; Specific construction step is as follows:
A, support post apolegamy
Before construction, according to drawing and scheme requirement, matched support post length;
B, support post are installed
According to precalculated height, start assembled support post piecemeal;
C, support post top absolute altitude repetition measurement
After support post installs, need measure support post top absolute altitude, the deviation producing is adjusted in time;
D, installation stamping die sand cylinder
Stamping die sand cylinder is installed at support post top, support post absolute altitude is carried out trickle adjustment, reaches better bridge molding effect simultaneously;
E, installation i iron distribution beam
After stamping die sand cylinder installs, horizontal i iron distribution beam is installed at its top;
F, installation wedge
The stability of installing for strengthening Bailey beam, installs wedge at distribution beam top, by shellfish thunder pin, it is connected on tapered plane with Bailey beam, is fixed;
G, segmented assembly standard Bailey beam
On smooth location, in advance standard Bailey beam is carried out to segmented assembly;
H, segmental hoisting Bailey beam
Intersegmental at longitudinal two adjacent supporting sections, lifting standard Bailey beam;
I, Bailey beam connect arching
After each sections standard Bailey beam installation, start to install being connected of Bailey beam one and bridge pier, and will between sections standard Bailey beam, by Bailey beam two, connect into integral body, Bailey beam is connected to arching (arc), on the tapered plane of Bailey beam, be provided with again arc support, on arc support, set up again casting template.
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| CN201410273583.5A CN104099871A (en) | 2014-06-19 | 2014-06-19 | Arching structure of high large-span bridge bailey beams and construction method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104652281A (en) * | 2014-12-29 | 2015-05-27 | 中铁二局股份有限公司 | External slanted type steel box arch installing method |
| CN105200925A (en) * | 2015-10-21 | 2015-12-30 | 杭州江润科技有限公司 | Construction method of ultra-wide main arch ring of large span open-spandrel type arch bridge in extremely-cold regions |
| CN105297630A (en) * | 2015-10-10 | 2016-02-03 | 正平路桥建设股份有限公司 | Construction method for double-component steel tubes of main arch arcs |
| CN105570539A (en) * | 2015-12-21 | 2016-05-11 | 广州机施建设集团有限公司 | Construction method of pipeline protection structure |
| CN105715043A (en) * | 2016-01-29 | 2016-06-29 | 中国建筑第八工程局有限公司 | Formwork reinforcement system and construction method for high-formwork-support small-angle fair-faced slope |
| CN105735128A (en) * | 2014-12-09 | 2016-07-06 | 济南黄河路桥工程公司 | Linear control mold for main arch ring construction |
| CN106400686A (en) * | 2016-04-27 | 2017-02-15 | 北京城建道桥建设集团有限公司 | Embedded part suspension bracket and construction method thereof |
| CN107858912A (en) * | 2017-11-07 | 2018-03-30 | 江苏燕宁建设工程有限公司 | Hyperbolic arch bridge bracket erection method and hyperbolic arch bridge bracket |
| CN108487309A (en) * | 2018-03-13 | 2018-09-04 | 中铁建大桥工程局集团第四工程有限公司 | A kind of high pier door opening arc section of large span gate-type binds construction method |
| CN112030709A (en) * | 2020-09-14 | 2020-12-04 | 武汉一冶建筑安装工程有限责任公司 | Arch ring bottom support device and installation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735128A (en) * | 2014-12-09 | 2016-07-06 | 济南黄河路桥工程公司 | Linear control mold for main arch ring construction |
| CN105735128B (en) * | 2014-12-09 | 2017-07-07 | 济南黄河路桥建设集团有限公司 | Main arch ring geometric control mould |
| CN104652281A (en) * | 2014-12-29 | 2015-05-27 | 中铁二局股份有限公司 | External slanted type steel box arch installing method |
| CN105297630A (en) * | 2015-10-10 | 2016-02-03 | 正平路桥建设股份有限公司 | Construction method for double-component steel tubes of main arch arcs |
| CN105200925A (en) * | 2015-10-21 | 2015-12-30 | 杭州江润科技有限公司 | Construction method of ultra-wide main arch ring of large span open-spandrel type arch bridge in extremely-cold regions |
| CN105570539A (en) * | 2015-12-21 | 2016-05-11 | 广州机施建设集团有限公司 | Construction method of pipeline protection structure |
| CN105570539B (en) * | 2015-12-21 | 2018-03-20 | 广州机施建设集团有限公司 | The construction method of pipeline protection structure |
| CN105715043A (en) * | 2016-01-29 | 2016-06-29 | 中国建筑第八工程局有限公司 | Formwork reinforcement system and construction method for high-formwork-support small-angle fair-faced slope |
| CN106400686A (en) * | 2016-04-27 | 2017-02-15 | 北京城建道桥建设集团有限公司 | Embedded part suspension bracket and construction method thereof |
| CN107858912A (en) * | 2017-11-07 | 2018-03-30 | 江苏燕宁建设工程有限公司 | Hyperbolic arch bridge bracket erection method and hyperbolic arch bridge bracket |
| CN108487309A (en) * | 2018-03-13 | 2018-09-04 | 中铁建大桥工程局集团第四工程有限公司 | A kind of high pier door opening arc section of large span gate-type binds construction method |
| CN112030709A (en) * | 2020-09-14 | 2020-12-04 | 武汉一冶建筑安装工程有限责任公司 | Arch ring bottom support device and installation method thereof |
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Application publication date: 20141015 |