CN104947588B - Concrete filled steel tube-combination beam Cable-stayed Bridges system and construction method thereof - Google Patents
Concrete filled steel tube-combination beam Cable-stayed Bridges system and construction method thereof Download PDFInfo
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- CN104947588B CN104947588B CN201510391792.4A CN201510391792A CN104947588B CN 104947588 B CN104947588 B CN 104947588B CN 201510391792 A CN201510391792 A CN 201510391792A CN 104947588 B CN104947588 B CN 104947588B
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- filled steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 99
- 239000010959 steel Substances 0.000 title claims abstract description 99
- 239000004567 concrete Substances 0.000 title claims abstract description 90
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000005266 casting Methods 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 239000011440 grout Substances 0.000 claims description 10
- 239000004570 mortar (masonry) Substances 0.000 claims description 7
- 210000003205 muscle Anatomy 0.000 claims description 4
- 238000010008 shearing Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000008267 milk Substances 0.000 claims description 2
- 210000004080 milk Anatomy 0.000 claims description 2
- 235000013336 milk Nutrition 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007596 consolidation process Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of steel tube concrete combination beam Cable-stayed Bridges system and construction method thereof, this deck system includes concrete filled steel tube longeron, transverse combination beam, concrete slab concrete filled steel tube longeron and transverse combination beam affixed formation bridge deck structure, casting concrete in concrete filled steel tube longeron, it is welded with shear connector on described transverse combination beam, forms entirety with concrete slab.Reasonable stress of the present invention, stock utilization are high, new composite structure bridge floor easily of constructing, can comprehensively concrete filled steel tube and the advantage of steel-concrete combination beam technology, make Cable-stayed Bridges tie up to vertical bridge to giving full play to compound action with direction across bridge and have high by force efficiency, thus obtain more preferable stress performance, workability, long-term behaviour and comprehensive economic index.
Description
Technical field
The present invention relates to one and be applied to long-span cablestayed bridges combinative structure bridge floor, belong to technical field of bridge engineering.
Background technology
Long-span cablestayed bridges bridge floor bears huge axial force, at present conventional girder form mainly include beams of concrete, steel box-girder,
Steel truss girder, duplex word steel combination beam etc..Engineering practice shows, steel construction bridge deck exist structure complexity, bridge floor rigidity relatively low and
Bear axial huge axle power, there is the problems such as unreasonable, the long construction period of materials application.And conventional combination bridge deck relies primarily on
Longitudinal combination joist support can not be given full play to by the advantage that curved ability is strong by axial force, combination beam, and owing to concrete shrinkage and creep is led
The efficiency causing longitudinal stress is greatly affected.Concrete filled steel tube longeron is formed bridge deck structure with transverse combination beam, can fully send out
Wave the advantage that concrete filled steel tube axial compression resistance performance is good and Beams anti-bending strength is good, it is adaptable to cable-stayed bridge main-beam longitudinally press-bending,
Laterally by curved force modes, can effectively reduce dead load, promote material use efficiency.Concrete filled steel tube longeron and combination
Crossbeam all can use the form of construction work that prefabrication, on-site consolidation or part are cast-in-place, meets the development trend of building industrialization.With
Time, this bridge deck has less wind surface and higher lateral stiffness, torsional rigidity, can promote bridge entirety wind resistance.
Summary of the invention
It is an object of the invention to provide a kind of reasonable stress, stock utilization height, new composite structure bridge floor easily of constructing,
Can comprehensively concrete filled steel tube and the advantage of steel-concrete composite beam technology, make Cable-stayed Bridges tie up to vertical bridge and can fill to direction across bridge
Distribution is waved compound action and has high by force efficiency, thus obtain more preferable stress performance, workability, long-term behaviour and
Comprehensive economic index.
Technical scheme is as follows:
A kind of concrete filled steel tube-combination beam Cable-stayed Bridges system, it is characterised in that this deck system include concrete filled steel tube longeron,
Transverse combination beam, concrete slab concrete filled steel tube longeron and transverse combination beam affixed formation bridge deck structure, concrete filled steel tube is indulged
Casting concrete in beam, described transverse combination beam is welded with shear connector, forms entirety with concrete slab.
Being provided with three concrete filled steel tube longerons under described bridge deck structure, its two limb is affixed with concrete filled steel tube longeron respectively, forms sky
Between truss longitudinal direction main beam structure.
Described transverse combination beam is i section steel beam or steel beam with box shape.
Described concrete slab uses precoated plate or superimposed sheet technology to form concrete slab.
Being welded with a taper lined steel pipe in one end of described concrete filled steel tube longeron, described taper lined steel pipe stretches out steel tube concrete
The length of soil longeron meets steel pipe build-in and passes curved requirement.
The construction method of a kind of concrete filled steel tube of the present invention-combination beam Cable-stayed Bridges system, it is characterised in that this construction method
Comprise the following steps:
1) factory pours concrete filled steel tube longeron in advance；
2) on-site hoisting splicing steel tube concrete beam and transverse combination beam；
3) on the top board of bridge floor transverse combination beam, shear connector is welded；
4) superimposed sheet or precoated plate ride on transverse combination beam, lay beard muscle and shearing resistance distributing bar, are formed after casting concrete
Concrete slab；
Described transverse combination beam is i section steel beam or steel beam with box shape.
This construction method is further comprising the steps of:
In step 1) in concrete filled steel tube longeron (1) one end welding one section of taper lined steel pipe, water under the vertical state of steel pipe
Build pipe inner concrete, it is ensured that two ends concordant and outside steel pipe pre-set groove；
In step 2) job site will after concrete filled steel tube longeron (1) two segment centering splice, by butt weld connect outer steel
Pipe, pours into high-strength mortar or high-strength grout from grouting mouth afterwards, will grouting mouth and grout outlet weldering after having mortar to overflow to grout outlet
Envelope.
The present invention has the following advantages relative to prior art and salience effect: 1. comprehensive concrete filled steel tube and steel-concrete combination
The advantage of beam technology, reasonable stress, stock utilization are high, it is convenient to construct.2. concrete filled steel tube axial rigidity is big, bearing capacity
Height, can undertake vertical bridge to huge axle power and moment of flexure, reduce concrete layer thickness, alleviate dead load.3. horizontal steel-concrete
Composite beam plate bears sagging moment, makes full use of combined effect, improves material use efficiency,.4. concrete filled steel tube longeron and combination horizontal stroke
Liang Junke uses the form of construction work that prefabrication, on-site consolidation or part are cast-in-place, meets the development trend of building industrialization.5. bridge
Face system wind surface is less, and lateral stiffness, torsional rigidity are higher, and overall wind resistance is good
Accompanying drawing explanation
Fig. 1 is the bridge deck schematic perspective view that the present invention uses superimposed sheet concrete slab technology.
Fig. 2 is the bridge deck schematic perspective view that the present invention uses precast concrete plate technique.
Fig. 3 is the schematic perspective view using three-limb steel pipe to form space truss bridge deck structure.
Fig. 4 be concrete filled steel tube longeron of the present invention one end in weld taper lined steel pipe schematic diagram.
In figure: 1-concrete filled steel tube；2-transverse combination beam；3-concrete slab；4-peg shear connector；5-mixes
Arrangement of reinforcement in concrete board；6-superimposed sheet；7-beard muscle；8-shearing resistance distributing bar；9-precoated plate；The wet seam of 10-；11-is oblique
Drag-line；12-steel pipe chord member；2-1 taper lined steel pipe；The pre-casting concrete of 3-1；4-1 high-strength mortar or high-strength grout；
5-1 is in the milk mouth；6-1 grout outlet；7-1 butt weld.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is further described.
Prefabricated concrete-filled steel tube provided by the present invention-combination beam deck system, as shown in Figure 1 and Figure 2, bridge floor steel construction is by steel
Pipe concrete longeron 1 and transverse combination beam 2 form bridge deck structure, and transverse combination beam 2 includes i section steel beam or steel beam with box shape.
Casting concrete in steel pipe, job site sections splices, and welds shear connector 4, with concrete slab on transverse combination beam
3 form entirety, jointly resist load action.Higher cable-stayed bridge (such as many Tower Bridges) is required for bending rigidity, three steel can be used
Pipe concrete is as longitudinal girder, as it is shown on figure 3, welded still pipe chord member 12 forms space truss, is formed with transverse combination beam 2
Bridge deck structure.A taper lined steel pipe, the most described cone can also be welded with in one end of concrete filled steel tube longeron 1
Shape lined steel pipe stretches out the length of concrete filled steel tube longeron 1 and meets the requirement that steel pipe build-in biography is curved.Taper lined steel pipe is used to connect
Structure stress performance is good, and power transmission is reliable；There is space between sections, can do and necessarily regulate to correct structure misalignment of axe in scene.
The construction method of the present invention, comprises the following steps:
1) factory pours concrete filled steel tube longeron in advance；
2) on-site hoisting splicing steel tube concrete beam and transverse combination beam, transverse combination beam uses i section steel beam or steel beam with box shape；
3) on the top board of bridge floor transverse combination beam, shear connector is welded；
4) superimposed sheet or precoated plate ride on transverse combination beam, lay beard muscle and shearing resistance distributing bar, are formed after casting concrete
Concrete slab；
This construction method is further comprising the steps of:
In step 1) in concrete filled steel tube longeron (1) one end welding one section of taper lined steel pipe, water under the vertical state of steel pipe
Build pipe inner concrete, it is ensured that two ends concordant and outside steel pipe pre-set groove；
In step 2) job site will after concrete filled steel tube longeron (1) two segment centering splice, by butt weld connect outer steel
Pipe, pours into high-strength mortar or high-strength grout from grouting mouth afterwards, will grouting mouth and grout outlet weldering after having mortar to overflow to grout outlet
Envelope.
Claims (7)
1. concrete filled steel tube-combination beam Cable-stayed Bridges system, it is characterized in that, this deck system includes concrete filled steel tube longeron (1), transverse combination beam (2), concrete slab (3), concrete filled steel tube longeron (1) and transverse combination beam (2) affixed formation bridge deck structure, casting concrete in concrete filled steel tube longeron, it is welded with shear connector (4) on described transverse combination beam (2), forms entirety with concrete slab (3).
2. according to the concrete filled steel tube described in claim 1-combination beam Cable-stayed Bridges system, it is characterized in that, being provided with three concrete filled steel tube longerons under described bridge deck structure, its two limb is affixed with concrete filled steel tube longeron (1) respectively, forms space truss longitudinal direction main beam structure.
3. according to the concrete filled steel tube described in claim 1 or 2-combination beam Cable-stayed Bridges system, it is characterised in that described transverse combination beam (2) is i section steel beam or steel beam with box shape.
4. according to the concrete filled steel tube described in claim 1 or 2-combination beam Cable-stayed Bridges system, it is characterised in that described concrete slab (3) uses precoated plate or superimposed sheet technology to form concrete slab (3).
5. according to the concrete filled steel tube described in claim 1 or 2-combination beam Cable-stayed Bridges system, it is characterized in that, being welded with a taper lined steel pipe in one end of described concrete filled steel tube longeron (1), described taper lined steel pipe stretches out the length of concrete filled steel tube longeron (1) and meets the requirement that steel pipe build-in biography is curved.
6. the construction method of concrete filled steel tube-combination beam Cable-stayed Bridges system, it is characterised in that this construction method comprises the following steps:
1) factory pours concrete filled steel tube longeron (1) in advance；
2) on-site hoisting splicing concrete filled steel tube longeron (1) and transverse combination beam (2)；
3) on the top board of bridge floor transverse combination beam (2), shear connector (4) is welded；
4) superimposed sheet (6) or precoated plate (9) ride on transverse combination beam (2), lay beard muscle (7) and shearing resistance distributing bar (8), after casting concrete, form concrete slab (3)；
Described transverse combination beam (2) is i section steel beam or steel beam with box shape.
7. according to the construction method described in claim 6, it is characterised in that this construction method is further comprising the steps of:
In step 1) in concrete filled steel tube longeron (1) one end welding one section of taper lined steel pipe, under the vertical state of steel pipe, pour pipe inner concrete, it is ensured that two ends concordant and outside steel pipe pre-set groove；
In step 2) job site will splice after concrete filled steel tube longeron (1) two segment centering, and connect outer steel pipe by butt weld, pour into high-strength mortar from grouting mouth afterwards, and will be in the milk after having mortar to overflow to grout outlet mouth and grout outlet sealing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510391792.4A CN104947588B (en) | 2015-07-06 | 2015-07-06 | Concrete filled steel tube-combination beam Cable-stayed Bridges system and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510391792.4A CN104947588B (en) | 2015-07-06 | 2015-07-06 | Concrete filled steel tube-combination beam Cable-stayed Bridges system and construction method thereof |
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| CN104947588A CN104947588A (en) | 2015-09-30 |
| CN104947588B true CN104947588B (en) | 2016-09-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105401516B (en) * | 2015-12-18 | 2017-12-12 | 江苏兆通工程技术有限公司 | Using the bridge and bridge top board construction technique of three steel concretes |
| CN105887649A (en) * | 2016-04-21 | 2016-08-24 | 浙江交通职业技术学院 | Steel-concrete local prefabricated simply supported superposed beam structure adopting layering stud connector and manufacturing technique thereof |
| CN106677062B (en) * | 2016-12-29 | 2018-12-14 | 中铁第四勘察设计院集团有限公司 | A kind of close crossbeam orthotropic deck architecture of double girders |
| CN108049301A (en) * | 2018-01-25 | 2018-05-18 | 中铁第勘察设计院集团有限公司 | The combining structure overpass of Midspan sag |
| CN109736201A (en) * | 2019-01-18 | 2019-05-10 | 中铁第四勘察设计院集团有限公司 | Steel-is combined to mix bondbeam and bridge and construction method after wet seam built in one kind |
| CN110552372A (en) * | 2019-09-12 | 2019-12-10 | 国网福建省电力有限公司经济技术研究院 | Superposed cable working well top plate structure and construction method thereof |
| CN110539398A (en) * | 2019-09-27 | 2019-12-06 | 浙江省交通规划设计研究院有限公司 | Construction method of prefabricated bridge deck steel-concrete composite beam |
| CN114277662B (en) * | 2021-12-28 | 2023-06-23 | 山东省公路桥梁建设集团有限公司 | Steel-concrete composite beam cable-stayed bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2612963B1 (en) * | 1987-03-27 | 1991-07-26 | Muller Jean | BRIDGE CONSISTING OF AN APRON AND MEANS FOR SUPPORTING IT, ESPECIALLY A LONG-RANGE SHAFT BRIDGE AND METHOD OF CONSTRUCTION THEREOF |
| CN101294368A (en) * | 2008-02-28 | 2008-10-29 | 中铁大桥勘测设计院有限公司 | Novel steel tube longeron combination grinder bridge |
| KR100933265B1 (en) * | 2009-09-24 | 2009-12-22 | 태광건설주식회사 | Steel pipe girder bridge reinforced by r.c |
| CN102146658B (en) * | 2011-03-04 | 2012-06-20 | 清华大学 | Locally uncombined suspension bridge steel-concrete combined bridge deck system and construction method of combined bridge deck system |
| KR101477022B1 (en) * | 2014-07-29 | 2014-12-29 | 이경표 | Manufacturing method for girder using bended steel pipe and girder manufactured by this method |
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