CN106638268B - The method of construction of stretch-draw forming combining structure arch bridge - Google Patents
The method of construction of stretch-draw forming combining structure arch bridge Download PDFInfo
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- CN106638268B CN106638268B CN201710067044.XA CN201710067044A CN106638268B CN 106638268 B CN106638268 B CN 106638268B CN 201710067044 A CN201710067044 A CN 201710067044A CN 106638268 B CN106638268 B CN 106638268B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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Abstract
The method of construction of stretch-draw forming combining structure arch bridge, the arch bridge include at least two straight lower edges (2) being parallel to each other, at least two arches be parallel to each other wind up (4), be laterally connected in adjacent two wind up between one group of stull (5), be connected to homonymy and wind up one group of web member (1) between lower edge, one group of crossbeam (3) being connected between adjacent two lower edges；Lower edge and crossbeam collectively form plane bridge deck；The lower edge is made up of one group of lower chord tube (2b) splicing being sequentially through on lower edge cable wire (2a), is connected between adjacent lower chord tube by flange bolt；Described wind up sequentially is welded by the pipe that winds up (4a), and the both ends bottom of the pipe that winds up spliced is respectively welded in the both ends of the lower chord tube spliced；Microdilatancy mortar or concrete are perfused with the lower chord tube spliced and the pipe that winds up.The present invention can will be constructed into form in Construction of Arch Bridges, operating load state combines together, quick construction, simple economy.
Description
Technical field
The invention belongs to technical field of civil engineering, and in particular to a kind of stretch-draw forming combining structure arch bridge structure and its build
Make method.
Background technology
In the 1930s, prestressed concrete and high strength steel occur in succession, material plasticity theory and limit theory
Research, bridge vibration research and aerodynamic research and the research etc. of soil mechanics achieve major progress, make
Obtain arch bridge technology and obtain the development advanced by leaps and bounds, particularly prestressed steel structure or combining structure arch bridge, such as：Steel arch bridge, steel
Reinforced concrete arch bridge, CFST Arch Bridge, steel reinforced concrete arch bridge etc..At present the main method of construction of arch bridge have Support Method,
Erection with cableway, erection by swing, erection by protrusion etc..
Support Method sets up full framing or separate stand in the case of the condition such as landform, ground is preferable generally under bridge,
Set up support and consider arc rib alignment and camber value, after the completion of support assembly, assembled on support, welding arching.Its advantage has：
Arch rib section length is little, without Large-scale Hoisting equipment；Support easily installation crosswise；Arch axis shape is easily controlled.Its weak point
Have：Arch rib joint is more, and welding job amount is big, and the duration is longer；Higher, the base of support is required to the condition such as landform, ground under bridge
Plinth sedimentation, elasticity and inelastic deformation etc. should calculate in advance；Support set up higher, support dosage is larger, it is easy generation unstability fall
Collapse phenomenon.
Erection with cableway is applied to grow up on the basis of double curvature arched bridge construction in the 1950s, cable crane
Construction method is filled due to big with span ability, horizontal and vertical transport maneuverability, does not influence to open the navigation or air flight, safer convenience of constructing
The advantages that, it is widely adopted in Arch Bridge Construction.But when being constructed using erection with cableway, because arch rib segments is more, single-piece
Lifting stage volume is big, complicated, and the reality for easily causing work progress hogging linear linear deviates with preferable, it is necessary to
By Construction control, after being contrasted to scene deformation, Suo Li and strain testing result and theoretical value, after timely feedback adjustment
The positioning absolute altitude of continuous section joint, to ensure last bridge safety, high-quality completion.
Erection by swing is that the construction of spanning is never possessed into construction with brackets place or can not influence to open the navigation or air flight, on the obstacle that is open to traffic
Idle running moves on to be carried out on the bank, is then gone at bridge axle line and is joined the two sections of a bridge, etc, this method is suitable for larger span of bridge.This method construction is quick
It is convenient, and do not influence navigation the advantages that.But body-rotation design, close up control it is complex.
Erection by protrusion construction belongs to typical structure from erection construction method, is often referred in the prefabricated arch rib section of precasting yard
Section, carry out symmetrical assembled construction method section by section after being transported to job site.For steel arch bridge, erection by protrusion is often and Inclined cable-stayed
Method is together used, and the lifting and installation of structural member are carried out using plants such as on-arch cranes.Relative to erection with cableway,
Free cantilever erection need not build huge tower crane and complicated cable crane system, and in construction, influence area is small, securely and reliably,
It is particularly suitable for the construction using steel analysis arching bridge.It is but longer using the method construction relative duration.
The content of the invention
Present invention aim to address insufficient existing for above-mentioned existing various methods, there is provided one kind will can be constructed into form,
Operating load state combines together, quick construction, simple economy, the stretch-draw forming combining structure with stronger engineering application value
The method of construction of arch bridge.
The purpose of the present invention is achieved through the following technical solutions：
The method of construction of stretch-draw forming combining structure arch bridge, the stretch-draw forming combining structure arch bridge are flat including at least two
The straight lower edge being parallel to each other, at least two arches be parallel to each other wind up, be laterally connected in adjacent two wind up between
One group of stull, it is connected to homonymy and winds up one group of web member between lower edge, one group of crossbeam being connected between adjacent two lower edges；
Lower edge and crossbeam collectively form plane bridge deck；The lower edge is by one group of lower chord tube splicing group being sequentially through on lower edge cable wire
Into being connected between adjacent lower chord tube by flange bolt；Described wind up is welded by pipe order of winding up, and what is spliced winds up
The both ends bottom of pipe is respectively welded in the both ends of the lower chord tube spliced；It is perfused with the lower chord tube spliced and the pipe that winds up micro-
Expansive mortar or concrete；
The method of construction of stretch-draw forming combining structure arch bridge of the present invention is as follows：
1) according to field condition, short abutment is set up at bridge location both ends, installation branch is set up at interval between two abutments
Body panel, the mounting bracket platform include being installed on a pack support between two abutments, be installed on it is flat on abutment and support
Platform；
2) according to mounting bracket platform situation, lower chord tube, the pipe that winds up, web member, the chi of stull for forming concatenation unit are calculated
Very little size, blanking；
3) installation of concatenation unit is carried out on mounting bracket platform, lower chord tube is sequentially passed through into lower edge cable wire, it is adjacent
Spacing is reserved between lower chord tube；Welding is winded up pipe successively, by stull interval be welded in adjacent two wind up between, web member is welded
Winded up in homonymy between lower edge；
4) the reserved spacing closure between tensioning lower edge cable wire, extremely all lower chord tubes, winds up and is arched upward upwards by flat, under
String stretches into flat；
5) mounting bracket platform is removed；
6) adjacent lower chord tube is respectively connected with each other with flange bolt, forms interconnected continuous lower chord tube；
7) by microdilatancy mortar or filling concrete to lower chord tube, after mortar or concrete coagulation hardening, lower chord tube, under
String cable wire, mortar or concrete form entirety；
8) microdilatancy mortar or filling concrete are formed into steel pipe mortar or concrete arch rib to winding up in pipe；
9) by beam welding between adjacent two lower edges；Lower edge and crossbeam collectively form plane bridge deck.
The stretch-draw forming combining structure arch bridge of the present invention is a kind of installation stage by stage, shapes, loads stage by stage stage by stage
Stretch-draw forming combines arch structure.The structure can advance blanking, and assembled shaping at the scene, single component volume is small, in light weight, holds
Easily lifting and assembling.Characteristic under the material difference force modes such as present invention comprehensive utilization steel pipe, cable wire, concrete, is played each
From advantage, effective prestressing force is formed in component inside by stretch-draw forming process, is advantageous to improve component load-bearing ability, optimization
Structural capacity flow distribution.And while structure is formed, complete construction and operation loading.The present invention will be constructed into form, operation
Load state combines together, quick construction, simple economy, has stronger engineering application value.
Brief description of the drawings
Fig. 1 is the schematic diagram of rack platform；
Fig. 2 is the schematic diagram that prepackage is winded up with lower edge；
Fig. 3 is the schematic diagram of the arch bridge assembled.
Embodiment
As shown in figure 3, the stretch-draw forming combining structure arch bridge of the present invention, including under at least two straight being parallel to each other
String 2, at least two arches be parallel to each other wind up 4, be laterally connected in adjacent two and wind up between one group of stull 5, connection
Winded up one group of web member (also referred to as suspension rod) 1 between lower edge, one group of crossbeam 3 being connected between adjacent two lower edges in homonymy；
Lower edge and crossbeam collectively form plane bridge deck, turn into after laying for pedestrian, the bridge floor of vehicle pass-through.The lower edge is by order
The one group of lower chord tube 2b splicings being through on lower edge cable wire 2a form, and are connected between adjacent lower chord tube by flange bolt.It is described
Wind up and be welded by pipe 4a orders of winding up.The pipe that winds up can be a homogeneous tube, but the span of generally bridge is larger, it is necessary to by several
Pipe, which is welded to each other, to be formed.Microdilatancy mortar or concrete are perfused with the lower chord tube spliced and the pipe that winds up.Set as conventional
Meter, stull 5 are typically equidistantly welded in adjacent two and winded up between 4.It is connected to the web member 1 that homonymy winds up between lower edge
Can be with vertical connection, can also diagonal brace connection.Crossbeam 3 is generally also equidistantly welded between adjacent two lower edges 2, and crossbeam leads to
Often at the lower node of web member.The both ends bottom of the pipe that winds up spliced is respectively welded two in the lower chord tube spliced
End；Microdilatancy mortar or concrete are perfused with the lower chord tube spliced and the pipe that winds up.
The method of construction of stretch-draw forming combining structure arch bridge of the present invention is as follows：
1) according to field condition, as shown in figure 1, setting up short abutment (being also side bearing) 6 at bridge location both ends, at two
Mounting bracket platform is set up among abutment, the mounting bracket platform include interval be installed on a pack support 7 between two abutments,
The platform 8 being installed on abutment and support, the spacing between spacing and support and abutment between adjacent stent pass through calculating
It is determined that；
2) according to rack platform situation, the lower chord tube 2b of composition concatenation unit, the pipe 4a that winds up, web member 1, stull 5 are calculated
Size, blanking, and carry out preassembling；
3) installation of concatenation unit is formally carried out on mounting bracket platform, as shown in Fig. 2 lower chord tube 2b is sequentially passed through
Lower edge cable wire 2a, spacing is reserved between adjacent lower chord tube, and spacing width is calculated according to lower edge cable wire 2a forming requirements and determined；Will
The pipe 4a that winds up is welded successively, and the interval of stull 5 is welded between adjacent two wind up, by web member 1 be welded in homonymy wind up and
Between lower edge；
4) tensioning lower edge cable wire 2a, to the reserved spacing closure between all lower chord tubes, 4 are winded up from flat to arch
Rise, lower edge 2 stretches into flat, forms arch bridge structure as shown in Figure 3；
5) mounting bracket platform is removed；
6) adjacent lower chord tube is respectively connected with each other with flange bolt, forms interconnected continuous lower chord tube；
7) by high strength micro expansion mortar injection to lower chord tube, after mortar condenses hardening, lower chord tube, lower edge cable wire, mortar
Or form entirety；
8) slightly expanded concrete is filled into and winded up in pipe, form steel pipe mortar arch rib；
9) crossbeam 3 is equidistantly welded between adjacent two lower edges；Two lower edges and crossbeam collectively form plane bridge floor
System, then lays bridge floor.
Claims (1)
1. the method for construction of stretch-draw forming combining structure arch bridge, it is characterised in that the stretch-draw forming combining structure arch bridge includes
At least two straight lower edges (2) being parallel to each other, at least two arch be parallel to each other wind up (4), be laterally connected in phase
Adjacent two wind up between one group of stull (5), be connected to homonymy wind up one group of web member (1) between lower edge, be connected to it is adjacent
One group of crossbeam (3) between two lower edges；Lower edge and crossbeam collectively form plane bridge deck；The lower edge is by being sequentially through lower edge
One group of lower chord tube (2b) splicing on cable wire (2a) forms, and is connected between adjacent lower chord tube by flange bolt；It is described to wind up
Sequentially it is welded by the pipe that winds up (4a), the both ends bottom of the pipe that winds up spliced is respectively welded two in the lower chord tube spliced
End；Microdilatancy mortar or concrete are perfused with the lower chord tube spliced and the pipe that winds up；Stretch-draw forming combining structure arch bridge
Method of construction step is as follows：
1) according to field condition, short abutment (6) is set up at bridge location both ends, mounting bracket is set up at interval between two abutments
Platform, the mounting bracket platform include being installed on a pack support (7) between two abutments, be installed on it is flat on abutment and support
Platform (8)；
2) according to mounting bracket platform situation, the lower chord tube (2b) for forming concatenation unit, the pipe that winds up (4a), web member (1), horizontal stroke are calculated
Support the size of (5), blanking；
3) installation of concatenation unit is carried out on mounting bracket platform, lower chord tube (2b) is sequentially passed through into lower edge cable wire (2a), phase
Spacing is reserved between adjacent lower chord tube；The pipe (4a) that winds up is welded successively, and stull (5) interval is welded in into adjacent two winds up it
Between, web member (1) is welded in homonymy and winded up between lower edge；
4) the reserved spacing closure between tensioning lower edge cable wire, extremely all lower chord tubes, winds up and is arched upward upwards by flat, lower edge is drawn
Directly into flat；
5) mounting bracket platform is removed；
6) adjacent lower chord tube is respectively connected with each other with flange bolt, forms interconnected continuous lower chord tube；
7) by microdilatancy mortar or filling concrete to lower chord tube, after mortar or concrete coagulation hardening, lower chord tube, lower edge steel
Rope, mortar or concrete form entirety；
8) microdilatancy mortar or filling concrete are formed into steel pipe mortar or concrete arch rib to winding up in pipe；
9) crossbeam (3) is welded between adjacent two lower edges；Lower edge and crossbeam collectively form plane bridge deck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067044.XA CN106638268B (en) | 2017-02-07 | 2017-02-07 | The method of construction of stretch-draw forming combining structure arch bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067044.XA CN106638268B (en) | 2017-02-07 | 2017-02-07 | The method of construction of stretch-draw forming combining structure arch bridge |
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| Publication Number | Publication Date |
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| CN106638268A CN106638268A (en) | 2017-05-10 |
| CN106638268B true CN106638268B (en) | 2018-02-09 |
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| CN201710067044.XA Active CN106638268B (en) | 2017-02-07 | 2017-02-07 | The method of construction of stretch-draw forming combining structure arch bridge |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109505252B (en) * | 2018-12-17 | 2021-01-29 | 广东省湛江公路工程大队 | Simple construction method of extra-large bridge |
| CN110258776A (en) * | 2019-07-24 | 2019-09-20 | 陈菲 | A kind of prestressed bridge and its manufacturing method and application |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202170477U (en) * | 2011-07-27 | 2012-03-21 | 福州大学 | Device for constructing arch ribs of concrete-filled steel tube arch bridges |
| CN103774543A (en) * | 2014-02-14 | 2014-05-07 | 王新民 | Deck bridge with cable-arch combination structure |
| CN204282189U (en) * | 2014-12-01 | 2015-04-22 | 中铁二十局集团第一工程有限公司 | A kind of long-span steel pipe arch bridge assembling construction structure |
| KR101636679B1 (en) * | 2014-06-02 | 2016-07-06 | 박성빈 | A arch bridge using a ceramic block |
| CN105862563A (en) * | 2016-04-15 | 2016-08-17 | 同济大学 | Foldable arch type bridge |
| CN206467550U (en) * | 2017-02-07 | 2017-09-05 | 云南省建设投资控股集团有限公司 | Stretch-draw forming combining structure arch bridge |
-
2017
- 2017-02-07 CN CN201710067044.XA patent/CN106638268B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202170477U (en) * | 2011-07-27 | 2012-03-21 | 福州大学 | Device for constructing arch ribs of concrete-filled steel tube arch bridges |
| CN103774543A (en) * | 2014-02-14 | 2014-05-07 | 王新民 | Deck bridge with cable-arch combination structure |
| KR101636679B1 (en) * | 2014-06-02 | 2016-07-06 | 박성빈 | A arch bridge using a ceramic block |
| CN204282189U (en) * | 2014-12-01 | 2015-04-22 | 中铁二十局集团第一工程有限公司 | A kind of long-span steel pipe arch bridge assembling construction structure |
| CN105862563A (en) * | 2016-04-15 | 2016-08-17 | 同济大学 | Foldable arch type bridge |
| CN206467550U (en) * | 2017-02-07 | 2017-09-05 | 云南省建设投资控股集团有限公司 | Stretch-draw forming combining structure arch bridge |
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| CN106638268A (en) | 2017-05-10 |
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Inventor after: Wang Ruoyu Inventor after: Wang Cheng Inventor after: Lei Chunyan Inventor before: Wang Cheng Inventor before: Wang Ruoyu Inventor before: Lei Chunyan Inventor before: Li Jingrui Inventor before: Chen Weiqiang Inventor before: Xu Yuguang Inventor before: Liu Ruidi |
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