CN108487037A - Wavelike steel webplate pc combined box beam prefabricated construction engineering methods - Google Patents
Wavelike steel webplate pc combined box beam prefabricated construction engineering methods Download PDFInfo
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- CN108487037A CN108487037A CN201810106645.1A CN201810106645A CN108487037A CN 108487037 A CN108487037 A CN 108487037A CN 201810106645 A CN201810106645 A CN 201810106645A CN 108487037 A CN108487037 A CN 108487037A
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- web
- steel
- wavelike steel
- steel webplate
- webplate
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Classifications
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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
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
Abstract
The invention discloses Wavelike steel webplate pc combined box beam prefabricated construction engineering methods, box beam caisson platform precasting, staff is familiar with drawing dimensional structure, it is constructed according to the precast pedestal planned, Wavelike steel webplate is processed, the structure provided according to design drawing, size, it is processed per a piece of box beam and component by professional production producer, precast pedestal center line positions, center line and corresponding segment position are made in the position of every a piece of beam, splice at Wavelike steel webplate scene, Wavelike steel webplate is checked the number into installation in place by each piece of position using gantry crane, each piece of box girder with corrugated steel webs after adjustment, and it is fixed using temporary steel support.Have when the Wavelike steel webplate splicing in the present invention each stage and accurately positions, ensure the firmness of temporary support, firm foundations have been beaten for box beam spelling, technology before and after each spelling is detected at scene, compound control of checking on, the line style and total quality that ensure that box girder with corrugated steel webs, have saved cost.
Description
Technical field
The present invention relates to Wavelike steel webplate pc combined box beam prefabricated construction technical fields more particularly to Wavelike steel webplate pc groups
The beam prefabricated construction of mould assembling.
Background technology
Wavelike steel webplate inherent stress concrete box-beam bridge is also known as Wavelike steel webplate PC bridges, refers to pre- with corrugated sheet steel substitution
The concrete web of prestressed concrete box beam makees the box-girder of web, and distinguishing feature is to replace thickness with the steel plate of 10~20mm thickness
The concrete web of 30~80cm thickness, in the eighties, France designs and built first replaces common mix with Wavelike steel webplate
New composite structure bridge-Cognac the bridges of solidifying soil box girder web, have built thereafter and in succession Maupre overpass, Asterix
The several Wavelike steel webplate bridges such as bridge and Dole, Wavelike steel webplate prestressed concrete combined box beam there is no real bridge at home, with this
Meanwhile France/Germany, especially Japan have built the bridge of several this types in succession, technique of design and construction is increasingly mature, wave
Shape steel web prestressed concrete combined box beam, particularly suitable in, the continuous box girder of Long span, as the country is to this structure
Analysis and research development and deeply, and the reference to external engineering experience, Wavelike steel webplate prestressed concrete
Native combined box beam will be applied in the bridge construction in China, currently, Wavelike steel webplate pc combined box beam prefabricated construction precision
Poor, whole quality safety is not high enough.
Invention content
Technical problems based on background technology, the present invention propose Wavelike steel webplate pc combined box beam prefabricated construction works
Method.
Wavelike steel webplate pc combined box beams prefabricated construction engineering method proposed by the present invention, includes the following steps：
S1：Box beam caisson platform precasting, staff are familiar with drawing dimensional structure, are applied according to the precast pedestal planned
Work；
S2：Wavelike steel webplate is processed, and according to the structure and size that design drawing provides, is processed by professional production producer each
Piece box beam and component；
S3：Precast pedestal center line positions, and center line and corresponding segment position are made in the position of every a piece of beam；
S4：Wavelike steel webplate scene is spliced, and Wavelike steel webplate is checked the number installation just by each piece of position using gantry crane
Position, each piece of box girder with corrugated steel webs after adjustment, and fixed using temporary steel support；
S5：Welding, the Wavelike steel webplate to adjusting post-reinforcing are welded using penetration；
S6：Roof and floor concrete construction, using the sequence construction roof and floor structure of top plate after first bottom plate；
S7：Prestressed stretch-draw is answered according to work progress tune rope to adjust structure using rope, single, Cyclic Symmetry tensioning is divided
Power keeps bridge completion state more reasonable by construction monitoring, it is ensured that structure construction is safe and stablizes；
S8：Wavelike steel webplate linear monitoring, Wavelike steel webplate is instead of concrete web, the line of box girder with corrugated steel webs after installation
Type quality and welding quality influence the stress of whole bridge, and the steel wire concrete for becoming monitoring in the pre-buried stress of box beam roof and floor strains biography
Sensor, mating high-precision frequency collection instrument carry out in-situ stresses sampling, at the construction field (site) by the linear of box beam block and its
Displacement monitoring and stress monitoring are distributed to obtain box beam block practical distortion with internal force, it is ensured that the linear and quality of Cheng Qiao.
The method of the Wavelike steel webplate scene splicing of Wavelike steel webplate pc combined box beam prefabricated construction engineering methods, including following step
Suddenly：
S1：Wavelike steel webplate coarse positioning, when installing web, flange plate dropping place is on nose girder top pushing platform, and then crane is light
It puts, the longitudinal direction of Wavelike steel webplate and lateral and vertical mark is finely tuned using jack and crowbar according to live absolute altitude and design position
Height, in lifting, the mode that steel wire rope and bottle gouard moved by hands can be used adjusts the angle carry out coarse positioning, and elevation location is according to measurement class
Absolute altitude that group is given and rule of thumb sinking is adjusted；
S2：Steel web is accurately positioned, and after web is thick in place, is fixed with interim diagonal brace, and whether measure elevation high with design
Cheng Fuhe, cushioning steel plate, which is soldered to, when not meeting meets design altitude, then carries out dropping place processing, and skew web plate is closed in Bottom Altitude
Interim diagonal brace top is adjusted after lattice, and to adjust steel web angle to design requirement is met, after dropping place, it is solid to carry out steel web
It is fixed, and reinforcing bar is set and is welded with bottom plate connector, prevent disturbance from steel web being caused to conjugate, lifting web is accurately in place, in web
Between setting temporary support to ensure the accurate positioning of steel web；
S3：Vertically and horizontally position adjusts, and adjusts absolute altitude using bottle gouard moved by hands in steel web, steel abdomen is finely tuned with upper and lower adjustable cross-brace
Then horizontal drawings reinforcing bar and the reinforcement lumps of wood is arranged on web top every 5m, accurately each block of steel web in Board position and linear
It is adjusted to layout design position, fixes dropping place after steel web；
S4：Installation is checked and accepted, and after steel web positions self-test qualification, precision requires to control according to following, and management is submitted a report asking for after qualified
Engineer checks and accepts as required, and next procedure construction can be carried out after acceptance(check).
Preferably, the construction system includes lifting module, detection module, adjustment module and welding module, and detects mould
Block includes Leica total station, ordinary level, supersonic detector and welding detection ruler.
Preferably, the welding module includes dioxo gas protection welding machine, DC welder, gouge and oxygen cutting gun, and is lifted
Module includes gantry crane, steel wire rope, autocrane.
Preferably, the adjustment system includes hydraulic jack and chain block, and hydraulic jack is connected with switch, opens
Connection is connected to computer.
Having the beneficial effect that in the present invention：
1, have and accurately position when the Wavelike steel webplate splicing in this engineering method each stage, it is ensured that temporary support it is secured
Degree has beaten firm foundations for box beam spelling；
2, the technology before and after each spelling is detected at this engineering method scene, and compound control of checking on ensure that Wavelike steel webplate case
The line style and total quality of beam, have saved cost.
Description of the drawings
Fig. 1 is the flow diagram of Wavelike steel webplate pc combined box beams prefabricated construction engineering method proposed by the present invention；
Fig. 2 is the construction system schematic diagram of Wavelike steel webplate pc combined box beams prefabricated construction engineering method proposed by the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Figures 1 and 2, Wavelike steel webplate pc combined box beams prefabricated construction engineering method, includes the following steps：
S1：Box beam caisson platform precasting, staff are familiar with drawing dimensional structure, are applied according to the precast pedestal planned
Work；
S2：Wavelike steel webplate is processed, and according to the structure and size that design drawing provides, is processed by professional production producer each
Piece box beam and component；
S3：Precast pedestal center line positions, and center line and corresponding segment position are made in the position of every a piece of beam；
S4：Wavelike steel webplate scene is spliced, and Wavelike steel webplate is checked the number installation just by each piece of position using gantry crane
Position, each piece of box girder with corrugated steel webs after adjustment, and fixed using temporary steel support；
S5：Welding, the Wavelike steel webplate to adjusting post-reinforcing are welded using penetration；
S6：Roof and floor concrete construction, using the sequence construction roof and floor structure of top plate after first bottom plate；
S7：Prestressed stretch-draw is answered according to work progress tune rope to adjust structure using rope, single, Cyclic Symmetry tensioning is divided
Power keeps bridge completion state more reasonable by construction monitoring, it is ensured that structure construction is safe and stablizes；
S8：Wavelike steel webplate linear monitoring, Wavelike steel webplate is instead of concrete web, the line of box girder with corrugated steel webs after installation
Type quality and welding quality influence the stress of whole bridge, and the steel wire concrete for becoming monitoring in the pre-buried stress of box beam roof and floor strains biography
Sensor, mating high-precision frequency collection instrument carry out in-situ stresses sampling, at the construction field (site) by the linear of box beam block and its
Displacement monitoring and stress monitoring are distributed to obtain box beam block practical distortion with internal force, it is ensured that the linear and quality of Cheng Qiao.
The method of the Wavelike steel webplate scene splicing of Wavelike steel webplate pc combined box beam prefabricated construction engineering methods, including following step
Suddenly：
S1：Wavelike steel webplate coarse positioning, when installing web, flange plate dropping place is on nose girder top pushing platform, and then crane is light
It puts, the longitudinal direction of Wavelike steel webplate and lateral and vertical mark is finely tuned using jack and crowbar according to live absolute altitude and design position
Height, in lifting, the mode that steel wire rope and bottle gouard moved by hands can be used adjusts the angle carry out coarse positioning, and elevation location is according to measurement class
Absolute altitude that group is given and rule of thumb sinking is adjusted；
S2：Steel web is accurately positioned, and after web is thick in place, is fixed with interim diagonal brace, and whether measure elevation high with design
Cheng Fuhe, cushioning steel plate, which is soldered to, when not meeting meets design altitude, then carries out dropping place processing, and skew web plate is closed in Bottom Altitude
Interim diagonal brace top is adjusted after lattice, and to adjust steel web angle to design requirement is met, after dropping place, it is solid to carry out steel web
It is fixed, and reinforcing bar is set and is welded with bottom plate connector, prevent disturbance from steel web being caused to conjugate, lifting web is accurately in place, in web
Between setting temporary support to ensure the accurate positioning of steel web；
S3：Vertically and horizontally position adjusts, and adjusts absolute altitude using bottle gouard moved by hands in steel web, steel abdomen is finely tuned with upper and lower adjustable cross-brace
Then horizontal drawings reinforcing bar and the reinforcement lumps of wood is arranged on web top every 5m, accurately each block of steel web in Board position and linear
It is adjusted to layout design position, fixes dropping place after steel web；
S4：Installation is checked and accepted, and after steel web positions self-test qualification, precision requires to control according to following, and management is submitted a report asking for after qualified
Engineer checks and accepts as required, and next procedure construction can be carried out after acceptance(check).
In the present invention, construction system includes lifting module, detection module, adjusts module and welding module, and detection module
Including Leica total station, ordinary level, supersonic detector and welding detection ruler, welding module includes dioxo gas protection weldering
Machine, DC welder, gouge and oxygen cutting gun, and it includes gantry crane, steel wire rope, autocrane to lift module, adjustment system includes
Hydraulic jack and chain block, and hydraulic jack is connected with switch, switch is connected with computer.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. Wavelike steel webplate pc combined box beam prefabricated construction engineering methods, include the following steps：
S1：Box beam caisson platform precasting, staff are familiar with drawing dimensional structure, are constructed according to the precast pedestal planned；
S2：Wavelike steel webplate is processed, and according to the structure and size that design drawing provides, is processed per a piece of case by professional production producer
Beam and component；
S3：Precast pedestal center line positions, and center line and corresponding segment position are made in the position of every a piece of beam；
S4：Wavelike steel webplate scene is spliced, and Wavelike steel webplate is checked the number installation in place by each piece of position using gantry crane, is adjusted
Each piece of box girder with corrugated steel webs after whole, and fixed using temporary steel support；
S5：Welding, the Wavelike steel webplate to adjusting post-reinforcing are welded using penetration；
S6：Roof and floor concrete construction, using the sequence construction roof and floor structure of top plate after first bottom plate；
S7：Prestressed stretch-draw adjusts structural stress using rope, single, Cyclic Symmetry tensioning is divided according to work progress tune rope,
By construction monitoring, keep bridge completion state more reasonable, it is ensured that structure construction is safe and stablizes；
S8：Wavelike steel webplate linear monitoring, Wavelike steel webplate is instead of concrete web, the line style matter of box girder with corrugated steel webs after installation
Amount and welding quality influence the stress of whole bridge, become the steel wire concrete strain sensing of monitoring in the pre-buried stress of box beam roof and floor
Device, mating high-precision frequency collection instrument carry out in-situ stresses sampling, pass through the linear and its position to box beam block at the construction field (site)
Monitoring and stress monitoring are moved, is distributed with internal force to obtain box beam block practical distortion, it is ensured that the linear and quality of Cheng Qiao.
2. Wavelike steel webplate pc combined box beams prefabricated construction engineering method according to claim 1, is implemented by construction system,
It is characterized in that, the construction system includes lifting module, detection module, adjustment module and welding module, and detection module includes
Leica total station, ordinary level, supersonic detector and welding detection ruler.
3. the construction system of Wavelike steel webplate pc combined box beams prefabricated construction engineering method according to claim 2, feature exist
In the welding module includes dioxo gas protection welding machine, DC welder, gouge and oxygen cutting gun, and it includes gantry to lift module
It hangs, steel wire rope, autocrane.
4. the construction system of Wavelike steel webplate pc combined box beams prefabricated construction engineering method according to claim 2, feature exist
In the adjustment system includes hydraulic jack and chain block, and hydraulic jack is connected with switch, and switch is connected with electricity
Brain.
5. the Wavelike steel webplate scene of Wavelike steel webplate pc combined box beams prefabricated construction engineering method according to claim 1 is spliced
Method, include the following steps：
S1：Wavelike steel webplate coarse positioning, when installing web, flange plate dropping place is on nose girder top pushing platform, and then crane is put down gently, root
Longitudinal direction and transverse direction and the vertical elevation for finely tuning Wavelike steel webplate using jack and crowbar according to live absolute altitude and design position,
When lifting, the mode that steel wire rope and bottle gouard moved by hands can be used adjusts the angle carry out coarse positioning, and elevation location is given according to teams and groups are measured
Absolute altitude and rule of thumb sinking is adjusted；
S2：Steel web is accurately positioned, and after web is thick in place, is fixed with interim diagonal brace, and measures whether elevation accords with design altitude
It closes, cushioning steel plate, which is soldered to, when not meeting meets design altitude, then carries out dropping place processing, skew web plate is after Bottom Altitude qualification
Interim diagonal brace top is adjusted, to adjust steel web angle to design requirement is met, after dropping place, steel web is carried out and fixes,
And reinforcing bar is set and is welded with bottom plate connector, prevent disturbance from steel web being caused to conjugate, lifting web is accurately in place, between web
Temporary support is set to ensure the accurate positioning of steel web；
S3：Vertically and horizontally position adjusts, and absolute altitude is adjusted using bottle gouard moved by hands in steel web, with upper and lower adjustable cross-brace fine tuning steel web position
Set with it is linear, horizontal drawings reinforcing bar and the reinforcement lumps of wood then are set on web top every 5m, each block of steel web is accurately adjusted
To layout design position, dropping place after steel web is fixed；
S4：Installation is checked and accepted, and after steel web positions self-test qualification, precision requires to control according to following, and Supervision engineering is submitted a report asking for after qualified
Teacher checks and accepts as required, and next procedure construction can be carried out after acceptance(check).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106645.1A CN108487037A (en) | 2018-02-02 | 2018-02-02 | Wavelike steel webplate pc combined box beam prefabricated construction engineering methods |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810106645.1A CN108487037A (en) | 2018-02-02 | 2018-02-02 | Wavelike steel webplate pc combined box beam prefabricated construction engineering methods |
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| CN108487037A true CN108487037A (en) | 2018-09-04 |
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| CN201810106645.1A Pending CN108487037A (en) | 2018-02-02 | 2018-02-02 | Wavelike steel webplate pc combined box beam prefabricated construction engineering methods |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653918A (en) * | 2019-09-26 | 2020-01-07 | 中交一公局第六工程有限公司 | Construction method for synchronously pouring large-span corrugated steel inclined web precast beam with toothed block on top and bottom plates by post-tensioning method |
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| CN201202084Y (en) * | 2008-06-03 | 2009-03-04 | 万水 | Corrugated steel web-prestressed concrete combined box grinder subsection |
| JP2010163790A (en) * | 2009-01-15 | 2010-07-29 | Ps Mitsubishi Construction Co Ltd | Prestressed concrete box girder with struts |
| KR20130088246A (en) * | 2012-01-31 | 2013-08-08 | 권희재 | Connecting structure of corrugated steel plate web-psc composite girder |
| CN107237252A (en) * | 2017-06-21 | 2017-10-10 | 东南大学 | A kind of combined box beam and its construction method |
| CN107245934A (en) * | 2017-07-31 | 2017-10-13 | 哈尔滨工业大学 | A kind of assembled steel profiled sheet concrete combined board small box girder |
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2018
- 2018-02-02 CN CN201810106645.1A patent/CN108487037A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202084Y (en) * | 2008-06-03 | 2009-03-04 | 万水 | Corrugated steel web-prestressed concrete combined box grinder subsection |
| JP2010163790A (en) * | 2009-01-15 | 2010-07-29 | Ps Mitsubishi Construction Co Ltd | Prestressed concrete box girder with struts |
| KR20130088246A (en) * | 2012-01-31 | 2013-08-08 | 권희재 | Connecting structure of corrugated steel plate web-psc composite girder |
| CN107237252A (en) * | 2017-06-21 | 2017-10-10 | 东南大学 | A kind of combined box beam and its construction method |
| CN107245934A (en) * | 2017-07-31 | 2017-10-13 | 哈尔滨工业大学 | A kind of assembled steel profiled sheet concrete combined board small box girder |
Non-Patent Citations (2)
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| 刘利军: "景家湾大桥波形钢腹板PC组合箱梁施工关键技术研究", 《公路》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110653918A (en) * | 2019-09-26 | 2020-01-07 | 中交一公局第六工程有限公司 | Construction method for synchronously pouring large-span corrugated steel inclined web precast beam with toothed block on top and bottom plates by post-tensioning method |
| CN110653918B (en) * | 2019-09-26 | 2021-08-10 | 中交一公局第六工程有限公司 | Construction method for synchronously pouring large-span corrugated steel inclined web precast beam with toothed block on top and bottom plates by post-tensioning method |
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Application publication date: 20180904 |