CN106638324B - A kind of construction method of ultra-high performance concrete corrugated steel web plate composite box girder bridge - Google Patents
A kind of construction method of ultra-high performance concrete corrugated steel web plate composite box girder bridge Download PDFInfo
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- CN106638324B CN106638324B CN201611262469.8A CN201611262469A CN106638324B CN 106638324 B CN106638324 B CN 106638324B CN 201611262469 A CN201611262469 A CN 201611262469A CN 106638324 B CN106638324 B CN 106638324B
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- box beam
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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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- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
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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
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/268—Composite concrete-metal
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Abstract
The invention discloses a kind of construction method of ultra-high performance concrete corrugated steel web plate composite box girder bridge：It is prefabricated often across the U groove structure part of box beam by design requirement first；According to plate in the prefabricated prefabricated bridge floor of U groove structure part；Construction abutment, bridge pier, plate in prefabricated U groove structure part and bridge floor is lifted in place, colligation lateral connection reinforcing bar, complete box beam is formed after pouring laterally wet seam；Construct next bridge pier, second box beam lifting is in place, and the Wavelike steel webplate of adjacent box beam is welded, the longitudinally connected reinforcing bar between the adjacent box beam of colligation, pours the longitudinal wet joint between adjacent box girder segment or cast-in-place crossbeam, forms Continuous Bridge structure；After wet joint concrete reaches design strength value, tensioning top plate prestressed strand；Repeat the above steps, complete the continuous bridge structure of multispan.Box beam of the present invention is from heavy and light, torsion distortion is small, floorings load distribution capability is good, construction is set up conveniently, is had broad application prospects on big-and-middle across footpath bridge.
Description
Technical field
The present invention relates to highway and urban road bridges technology, more particularly, to a kind of ultra-high performance concrete waveform steel abdomen
The construction method of plate combination box beam bridge.
Background technology
The Concrete Thick web of conventional concrete box beam is replaced using Wavelike steel webplate, forms box girder with corrugated steel webs, no
Only structure is moulded attractive in appearance, while avoids the problem of conventional concrete box girder web ftractures, excellent in durability, therefore big
It is widely applied in middle span bridge.
Compared with traditional concrete box girder, because the torsional rigidity and anti-distortion rigidity of box girder with corrugated steel webs section have
Reduced, so the width of box girder with corrugated steel webs should not be too wide.In general, the cast-in-place box beam or ripple of single box single chamber
Shape steel web plate composite box girder Breadth Maximum is no more than 5m, and broader single case box beam will form single box double room by increasing web quantity
Or single-box multi-cell section, or apply lateral prestressing tendon, to adapt to the requirement of bridge width, avoid floorings stress excessive,
So result in and the increase of beam body weight occur, difficulty of construction increase, the problems such as concrete is not easy to pour into a mould.
UHPC（Ultra High Performance Concrete, ultra-high performance concrete）It is a kind of high intensity（Tension
Intensity is more than 7MPa, compression strength is more than 150MPa）, high-durability New Style Concrete Materials.The high performance feature masters of UHPC
It is the hardening of stress and stretching strain, that is, produces the behavior for being similar to the surrender of steel tension, the UHPC mechanics of appropriate arrangement of reinforcement
Performance is close to steel construction.In current level, show for the advantage in this major design engineering of such as bridge, made
Obtaining overall structure outward appearance tends to be light and handy, and amount of reinforcement is reduced, and some engineerings even eliminate reinforcing bar.
Using UHPC materials, bridge member can reduce physical dimension, tend to be very thin frivolous, so as to reduce deadweight, improve knot
The efficiency of structure resistance load and the span ability of increase bridge, while lift, set up conveniently.Therefore, by traditional Wavelike steel webplate
Box beam and ultra-high performance concrete（UHPC）With reference to, prestressing force ultra-high performance concrete Wavelike steel webplate continuous box girder is formed, it is right
Solve existing prestressed concrete continuous box girder bridge cracking in webs and deadweight is larger, the problem such as construction complexity is significant.
The content of the invention
It is an object of the invention to provide a kind of construction method of ultra-high performance concrete corrugated steel web plate composite box girder bridge,
The combination box beam bridge of the present invention had both possessed the advantages of traditional box girder with corrugated steel webs bridge, had again from heavy and light, the distribution of floorings load
Ability is good, box beam reverses the series of advantages such as distortion effect is small, makes single chamber bridge floor overall width up to more than 10m, and box beam
Main member can be completed in precasting yard, and Contraction in Site is few.
To achieve the above object, the present invention can take following technical proposals：
The construction method of ultra-high performance concrete corrugated steel web plate composite box girder bridge of the present invention comprises the steps：
The first step, it is prefabricated often across the U groove structure part of box beam by Bridge Design requirement：In precasting yard by Wavelike steel webplate
In place, and thereon, weld stud connector on lower flange, then the pre- of box beam bottom plate is fixed in precalculated position on stretching bed seat
Stress reinforcing bar is simultaneously stretched to design load, then assembling reinforcement net, pre-buried top plate prestress pipe, sets up template, pours into a mould very-high performance
Concrete, it is prefabricated including bridge floor side plate, box beam bottom plate, Wavelike steel webplate, diaphragm plate U groove structure part, wherein bridge floor side plate
Upper pre-buried suspension ring；Then steam curing, form removal after 48 hours are used；
Second step, according to plate in the distance between the prefabricated bridge floor side plate of U groove structure part of the first step prefabricated bridge floor：Tie up
Wire-tie net, pre-buried top plate prestress pipe, set up template, and in pre-buried suspension ring thereon, lateral connection reinforcing bar, longitudinally connected steel
Muscle, ultra-high performance concrete is then poured into a mould, and with steam curing, form removal after 48 hours；Plate total thickness 0.2m in bridge floor after shaping ~
0.5m, bottom is with longitudinal and transverse T-shaped ribs staggeredly；
3rd step, construction abutment, bridge pier, plate in prefabricated U groove structure part and bridge floor is lifted in place, colligation horizontal stroke successively
To connection reinforcing bar, a complete box beam is formed after pouring laterally wet seam；
4th step, next bridge pier of constructing is then in place by second box beam lifting, by the Wavelike steel webplate of adjacent box beam
Be welded as a whole, and the longitudinally connected reinforcing bar between the adjacent box beam of colligation, then pour longitudinal wet joint between adjacent box beam or
Cast-in-place crossbeam, form continuous bridge structure；After the concrete poured reaches design strength value, tensioning is located in top plate and in advance should
Prestressed strand in hydraulic piping；
5th step, the 4th step is repeated, complete the continuous bridge structure of multispan.
The first step is prefabricated often when the U groove structure part of box beam, and 5m is smaller than between adjacent two diaphragm plate.
Compared with prior art, its advantage is embodied in construction method of the present invention：
1）The present invention uses ultra-high performance concrete material（UHPC）, component tends to be slim in physical dimension, conduct oneself with dignity compared with
Traditional box girder with corrugated steel webs reduces about 15-25%；
2）The box beam top plate of the present invention（Plate in bridge floor）It is made, can be filled of ultra-high performance concrete material with box beam bottom plate
Divide high tensile, the anti-compression property using UHPC；Box girder web uses Wavelike steel webplate, can make full use of its excellent shear resistance
Energy.
3）The box beam top plate of the present invention（Plate in bridge floor）The deck structrue with the short longitudinal rib of T-shaped and the short cross rib of T-shaped is employed,
Load-carrying efficiency is higher than traditional rectangular section box beam top plate, and load distribution capability is good, and box beam transverse width can reach more than 10m；
4）The present invention, across being provided with more intensive diaphragm plate in box beam, makes the good integrity of box-beam structure, box beam often
Torsion distortion effect it is small；
5）The box girder bridge of the present invention uses the construction technology of precast assembly, on the one hand due to using the solidifying soil of very-high performance coagulation
Material, make the concrete component of box beam more frivolous, be easy to lifting construction；On the other hand, the main member of box beam（U-lag knot
Plate in component and bridge floor）It can be completed in precasting yard, Site Template and cast-in-place construction workload are few, are easy to the quick frame of bridge
If；
6）The box beam baseboard prestress of the present invention uses pretensioned prestressing, than traditional post-stressed waveform steel abdomen
The live steel Shu Zhangla workloads of slab box beam are few, and construction is convenient.
To sum up, the present invention has box beam from heavy and light, small, floorings the load distribution capability of torsion distortion is good, constructing sets up
The series of advantages such as convenient.Box beam uses the ultra-high performance concrete with high-durability to pour into a mould, the good endurance of structure, especially
Had broad application prospects on big-and-middle across footpath bridge.
Brief description of the drawings
Fig. 1 is the structural representation of the prefabricated U groove structure part of the present invention.
Fig. 2 is the structure chart of plate in the prefabricated bridge floor of the present invention.
Fig. 3 is Fig. 2 upward view.
Fig. 4 is the structure chart of a box beam in place.
Fig. 5 is the longitudinal sectional drawing of box beam in Fig. 4.
Fig. 6 is the structure chart of 2 box beams in place.
Fig. 7 is Fig. 6 overlooking structure figure.
Embodiment
The construction method of the ultra-high performance concrete corrugated steel web plate composite box girder bridge of the present invention comprises the steps：
The first step, it is prefabricated often across the U groove structure part of box beam by Bridge Design requirement：In precasting yard by the waveform of both sides
Steel web 1.1,1.2 is in place, and thereon, on lower flange weld stud connector 2.1,2.2,2.3,2.4, then in stretching bed
The pre-tensioned prestressing reinforcing bar 12 of box beam bottom plate is fixed in precalculated position on seat, and is stretched to design load, then assembling reinforcement net, pre-buried top
Board prestress pipeline 13, template is set up, pour into a mould ultra-high performance concrete, it is prefabricated including bridge floor side plate 3.1,3.2, box beam bottom plate 4,
Wavelike steel webplate 1.1,1.2, the U groove structure part of diaphragm plate 5, wherein on bridge floor side plate 3.1,3.2 distinguish pre-buried suspension ring 6.1,
6.2；Then steam curing is used, form removal after 48 hours, the U groove structure part after shaping is as shown in Figure 1；Wherein often across the two of box beam
Hold and be respectively provided with end plate, diaphragm plate to be set more intensive in box beam, and the spacing generally between adjacent two diaphragm plate is small
In 5m, to ensure the globality of box beam, it is set to reverse distortion effect small；Wavelike steel webplate 1.1,1.2 uses I-shaped corrugated steel
Plate；
Second step, according to the bridge floor side plate 3.1 of the prefabricated U groove structure part of the first step, the distance between 3.2 prefabricated bridge floors
Middle plate 7：Assembling reinforcement net, template is set up, and in pre-buried suspension ring 7.1, lateral connection reinforcing bar 7.2, longitudinally connected reinforcing bar thereon
7.3, ultra-high performance concrete is then poured into a mould, and with steam curing, form removal after 48 hours；The total thickness of plate 7 in bridge floor after shaping
0.3m（According to bridge width, can be adjusted between 0.2m ~ 0.5m）, bottom is with longitudinal and transverse T-shaped ribs 7.4 staggeredly
（It is shorter）, as shown in Figure 2 and Figure 3；
3rd step, construction abutment 8, bridge pier 9, plate 7 in prefabricated U groove structure part and bridge floor is lifted in place, tie up successively
Lateral connection reinforcing bar 7.2 is pricked, forms a complete box beam after pouring laterally wet seam 10, as shown in Figure 4, Figure 5；
4th step, next bridge pier 9 of constructing is then in place by second box beam lifting, by the waveform steel abdomen of adjacent box beam
Plate weld is integrated, and the longitudinally connected reinforcing bar 7.3 between the adjacent box beam of colligation, then the longitudinal wet poured between adjacent box beam connect
Seam or cast-in-place crossbeam 11, form continuous bridge structure；After the concrete poured reaches design strength value, tensioning is located in top
Prestressed strand in board prestress pipeline 13；As shown in Figure 6, Figure 7；
5th step, the 4th step is repeated, complete the continuous bridge structure of multispan, last form removal, complete bridge erection.
Claims (2)
- A kind of 1. construction method of ultra-high performance concrete corrugated steel web plate composite box girder bridge, it is characterised in that：Including following steps Suddenly：The first step, it is prefabricated often across the U groove structure part of box beam by Bridge Design requirement：It is in precasting yard that Wavelike steel webplate is in place, And thereon, weld stud connector on lower flange, then the prestressing force of box beam bottom plate is fixed in precalculated position on stretching bed seat Reinforcing bar is simultaneously stretched to design load, then assembling reinforcement net, pre-buried top plate prestress pipe, sets up template, pours into a mould very-high performance coagulation Soil, it is prefabricated including bridge floor side plate, box beam bottom plate, Wavelike steel webplate, diaphragm plate U groove structure part, it is pre- wherein on bridge floor side plate Bury suspension ring；Then steam curing, form removal after 48 hours are used；Second step, according to plate in the distance between the prefabricated bridge floor side plate of U groove structure part of the first step prefabricated bridge floor：Colligation steel Muscle net, pre-buried top plate prestress pipe, template is set up, and in pre-buried suspension ring thereon, lateral connection reinforcing bar, longitudinally connected reinforcing bar, Then ultra-high performance concrete is poured into a mould, and with steam curing, form removal after 48 hours；Plate total thickness 0.2m in bridge floor after shaping ~ 0.5m, bottom is with longitudinal and transverse T-shaped ribs staggeredly；3rd step, construction abutment, bridge pier, successively lifts plate in prefabricated U groove structure part and bridge floor in place, colligation laterally connects Reinforcing bar is connect, a complete box beam is formed after pouring laterally wet seam；4th step, next bridge pier of constructing is then in place by second box beam lifting, and the Wavelike steel webplate of adjacent box beam is welded It is integrated, and the longitudinally connected reinforcing bar between the adjacent box beam of colligation, then pour the longitudinal wet joint or cast-in-place between adjacent box beam Crossbeam, form continuous bridge structure；After the concrete poured reaches design strength value, tensioning is located in top plate prestressed pipe Prestressed strand in road；5th step, the 4th step is repeated, complete the continuous bridge structure of multispan.
- 2. the construction method of ultra-high performance concrete corrugated steel web plate composite box girder bridge according to claim 1, its feature It is：The first step is prefabricated often when the U groove structure part of box beam, and 5m is smaller than between adjacent two diaphragm plate.
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| CN201611262469.8A CN106638324B (en) | 2016-12-30 | 2016-12-30 | A kind of construction method of ultra-high performance concrete corrugated steel web plate composite box girder bridge |
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| CN107675610B (en) * | 2017-10-29 | 2019-08-09 | 北京工业大学 | The construction and the practice of a kind of precast assembly bridge pier segment connection |
| CN108824163A (en) * | 2018-07-05 | 2018-11-16 | 中国矿业大学(北京) | Wavelike steel webplate prestressing combined box beam bridge |
| CN109016127B (en) * | 2018-07-27 | 2020-07-24 | 中国十七冶集团有限公司 | Bridge arch box prefabrication production and transverse connection method thereof |
| CN109057148A (en) * | 2018-09-29 | 2018-12-21 | 中路杜拉国际工程股份有限公司 | Ultra-high performance concrete is without regular reinforcement Prestressed U type beam and its construction method |
| CN109208487A (en) * | 2018-10-24 | 2019-01-15 | 中铁第勘察设计院集团有限公司 | Railway ultra-high performance concrete box girder formwork and construction method |
| CN109898398A (en) * | 2019-03-15 | 2019-06-18 | 长沙理工大学 | A kind of fold-type UHPC top plate-corrugated steel web plate composite box girder bridge |
| CN109914216B (en) * | 2019-03-29 | 2024-04-16 | 湖南大学 | Assembled large-span ultra-high-performance concrete box girder combined node and connecting method thereof |
| CN110005429B (en) * | 2019-05-22 | 2024-09-13 | 河南省交通规划设计研究院股份有限公司 | Box-type top plate structure of urban tunnel bifurcation |
| CN110438879A (en) * | 2019-07-18 | 2019-11-12 | 广东冠粤路桥有限公司 | A kind of ultra-high performance concrete bridge structure and its construction method |
| CN112081070A (en) * | 2020-08-28 | 2020-12-15 | 华南理工大学 | Design method of ultra-high performance concrete circular aqueduct and aqueduct |
| CN111962472A (en) * | 2020-08-28 | 2020-11-20 | 华南理工大学 | Ultra-high performance concrete light U-shaped aqueduct body |
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| JP2007040020A (en) * | 2005-08-04 | 2007-02-15 | Ps Mitsubishi Construction Co Ltd | Construction method for prestressed concrete box girder bridge |
| KR101067001B1 (en) * | 2011-02-17 | 2011-09-22 | 김찬수 | Slave constructing method of steel box girder bridge using steel reinforcement |
| CN103669193B (en) * | 2014-01-13 | 2016-02-03 | 河南省交通规划设计研究院股份有限公司 | A kind of laterally assembled Wavelike steel webplate combination T beam and construction method |
| CN203755127U (en) * | 2014-03-10 | 2014-08-06 | 中交第三公路工程局有限公司 | Pre-stress high-performance concrete continuous box girder bridge |
| CN204370310U (en) * | 2014-12-19 | 2015-06-03 | 湖南明湘科技发展有限公司 | A kind of two dimension waveform steel and concrete combined bridge deck |
| CN104988844B (en) * | 2015-05-19 | 2016-08-24 | 河南省交通规划设计研究院股份有限公司 | Two times tensioning prestressing force assembled Wavelike steel webplate combination beam |
| CN105369729A (en) * | 2015-12-11 | 2016-03-02 | 河南省交通规划设计研究院股份有限公司 | External prestressing corrugated steel web T-shaped beam and construction method |
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