CN203639800U - Split streamline steel-concrete composite box girder - Google Patents
Split streamline steel-concrete composite box girder Download PDFInfo
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- CN203639800U CN203639800U CN201320582112.3U CN201320582112U CN203639800U CN 203639800 U CN203639800 U CN 203639800U CN 201320582112 U CN201320582112 U CN 201320582112U CN 203639800 U CN203639800 U CN 203639800U
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Abstract
The utility model discloses a split streamline steel-concrete composite box girder. The split streamline steel-concrete composite box girder comprises two or three steel-concrete composite box girder units which are horizontally arranged, notches and connecting cross beams, wherein tuyeres are arranged on the outer sides of the steel-concrete composite box girder units; the notches with the horizontal width of 4-20m are arranged between each two steel-concrete composite box girder units; the connecting cross beams are arranged at 4-20m equal intervals in the longitudinal direction of the notches. A top plate of each steel-concrete composite box girder unit is a concrete slab; bridge deck pavement for an automobile is paved on the top plate; a base plate and an inclined web plate are steel plates provided with stiffening structures; rails for a train or light rail vehicle are paved on the base plate; circular, elliptical or polygonal light-transmitting holes are distributed on the inclined wed plate. According to the split streamline steel-concrete composite box girder disclosed by the utility model, the wind-resisting stability of a bridge can be effectively improved at the same time, vortex induced vibration can be inhibited and the durability of the bridge deck pavement can be improved. The split streamline steel-concrete composite box girder can be used for highway bridges, dual-purpose bridges for highway and railway and light rail-cum-road. The split streamline steel-concrete composite box girder is simple in structure and is favorable in economy.
Description
Technical field
The utility model relates to technical field of bridge engineering, specifically a kind of split type streamline steel-concrete folding case beam for Large Span Bridges.
Background technology
Split type steel case beam is the girder form of a kind of long span stayed-cable bridge and suspension bridge, and this class girder connects in many bridge blocks such as island engineering Xihoumen Bridge, river, Dagu, Transbay Bridge, Qingdao Channel Bridge, Korea S Li Shun minister bridge and adopts at AngChuan Zhou, Hong Kong bridge, Zhoushan Of Zhejiang Province.
Bridge field measurement and results of wind tunnel show, adopt long span stayed-cable bridge and the suspension bridge of split type steel case beam as girder, and because the damping of steel work girder is lower, under certain wind friction velocity, the vortex-induced vibration compared with large amplitude may occur girder.The vortex-induced vibration of bridge main beam causes important threat will to safety and the road-ability of bridge construction, must take mechanical measure or the aerodynamic Measures etc. that can improve structural damping to control.Wherein, mechanical measure is as tuned mass damper, Tuned Liquid etc., and pneumatic control measure is as deflector, spoiler, tuyere, cell structure etc.
The engineering practice of domestic and international many long span stayed-cable bridges and suspension bridge shows, the automobile of the orthotropic steel bridge deck top board of steel case beam girder and laying on it is with can not well acting synergistically between deck paving, application life of deck paving, short, poor durability, was an international difficult problem.Research shows, the orthotropic steel bridge deck top board rigidity of steel case beam girder is little, distortion is large, and the adhesion stress of orthotropic steel bridge deck top board and deck paving is low, thermal expansion coefficient difference is large etc. is the key factor that causes deck paving disease.
In addition,, along with the development of domestic and international comprehensive traffic transportation, need research to be applicable to public iron or the dual-purpose novel girder pattern of public rail.
Therefore, study a kind of wind resisting stability that can simultaneously effectively improve bridge, suppress vortex-induced vibration, improve the durability of deck paving, and the novel girder that can be applicable to highway bridge or public iron, rail-cum-road bridge beam has urgent demand.
Utility model content
(1) technical problem that will solve
The purpose of this utility model is to provide a kind of split type streamline steel-concrete folding case beam, with improve simultaneously effectively bridge wind resisting stability, suppress vortex-induced vibration, improve the durability of deck paving, and can be applicable to highway bridge or public iron, rail-cum-road bridge beam.
(2) technical scheme
For achieving the above object, the utility model provides a kind of split type streamline steel-concrete folding case beam, this folding case beam comprises: horizontally disposed two or three steel-concrete folding case beam unit 1, and the arranged outside of this steel-concrete folding case beam unit 1 has tuyere 3; The fluting 10 that the horizontal width arranging between steel-concrete folding case beam unit 1 is 4m～20m; And the connecting cross beam 2 longitudinally arranging at interval of 4m～20m along fluting 10.
In such scheme, described steel-concrete folding case beam unit 1 has single box single chamber or single-box multi-cell cross section, and its top board 8 is concrete slab, between the anticollision barrier 7 on top board 8, is equipped with deck paving 9 for automobile, in top board 8 outsides, air partition 6 is installed.The height of described air partition 6 is that 1.0m～3.0m, air permeability rate are 50～80%.
In such scheme, the base plate 11 of described steel-concrete folding case beam unit 1, upper oblique web 4 and declivity web 5 are steel plates that reinforcing structure is set, and this reinforcing structure is " I " shape, "T"-shaped or " U " shape steel plate, or " H " shape or " mouth " shape girder steel.On base plate 11, be equipped with train or track 12 for light rail vehicle, on upper oblique web 4 and declivity web 5, be laid with circle, ellipse or polygon loophole 13, loophole 13 is respectively d at the arrangement pitch of upper oblique web 4, declivity web 5
1, d
2, on loophole 13, transparent glass or composite material can be installed.Described oblique web 4 formation crossing with declivity web 5 angle is " < " shape tuyere 3 of 15 °～75 °.
In such scheme, the two ends of described connecting cross beam 2 are connected with steel-concrete folding case beam unit 1, the steel-concrete composite beam that connecting cross beam 2 is concrete slab for the top board of " work " shape or " mouth " shape.
In such scheme, the fluting 10 between described steel-concrete folding case beam unit 1, at the Sarasota near zone l of long span stayed-cable bridge or suspension bridge
2in scope, in order to improve the horizontal bending rigidity of split type streamline steel-concrete folding case beam, cancel l
2fluting 10 in region between steel-concrete folding case beam unit 1, at l
2in region, between steel-concrete folding case beam unit 1, be connected to form entirety by top board 8, l
1and l
3the split type streamline steel-concrete folding case beam in region passes through l
4region is transitioned into l
2region.
(3) beneficial effect
The utility model with respect to the major advantage of prior art is:
1, the split type streamline steel-concrete folding case beam that the utility model provides, its aerodynamic configuration is good, structural damping is large, torsional rigidity is large, can effectively improve wind resisting stability, the inhibition vortex-induced vibration of bridge simultaneously.
2, the split type streamline steel-concrete folding case beam that the utility model provides, its top board is concrete slab, on top board, lay automobile deck paving, the rigidity of top board is large, and the compatibility of top board and deck paving is good, adhesion stress is large, thermal expansion coefficient difference is little, can effectively improve the durability of deck paving.
3, the split type streamline steel-concrete folding case beam that the utility model provides, it lays train or light rail vehicle track above base plate, on its upper and lower oblique web, lay circle, ellipse or polygon loophole, therefore it can be applicable to public iron and rail-cum-road bridge beam.
4, the split type streamline steel-concrete folding case beam that the utility model provides, at the Sarasota near zone of long span stayed-cable bridge (or suspension bridge), in order to improve the horizontal bending rigidity of split type streamline steel-concrete folding case beam, cancel the fluting between steel-concrete folding case beam, between steel-concrete folding case beam, be connected to form entirety by top board.
Accompanying drawing explanation
Fig. 1 is the structural representation of split type streamline steel-concrete folding case beam of the present utility model;
Fig. 2 is the A portion enlarged diagram in Fig. 1;
Fig. 3 is the loophole schematic diagram of laying on the oblique web in Fig. 1;
Fig. 4 a and Fig. 4 b are the schematic diagram of split type streamline steel-concrete folding case beam in cable stayed bridge application.
Reference numeral: steel-concrete folding case beam unit 1; Connecting cross beam 2; Tuyere 3; Upper oblique web 4; Declivity web 5; Air partition 6; Anticollision barrier 7; Top board 8; Deck paving 9; Fluting 10; Base plate 11; Track 12; Loophole 13.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, the utility model is further described.
As shown in FIG. 1 to 3, Fig. 1～Fig. 3 is the structural representation of split type streamline steel-concrete folding case beam of the present utility model, the split type streamline steel-concrete folding case beam that the utility model provides comprises: horizontally disposed two or three steel-concrete folding case beam unit 1, and the arranged outside of this steel-concrete folding case beam unit 1 has tuyere 3; The fluting 10 that the horizontal width arranging between steel-concrete folding case beam unit 1 is 4m～20m; And the connecting cross beam 2 longitudinally arranging at interval of 4m～20m along fluting 10.
Wherein, steel-concrete folding case beam unit 1 has single box single chamber or single-box multi-cell cross section, and its top board 8 is concrete slab, between the anticollision barrier 7 on top board 8, is equipped with deck paving 9 for automobile, in top board 8 outsides, air partition 6 is installed.The height of air partition 6 is that 1.0m～3.0m, air permeability rate are 50～80%.
The base plate 11 of steel-concrete folding case beam unit 1, upper oblique web 4 and declivity web 5 are for arranging the steel plate of reinforcing structure, and this reinforcing structure is " I " shape, "T"-shaped or " U " shape steel plate, or " H " shape or " mouth " shape girder steel.On base plate 11, can be equipped with train or track 12 for light rail vehicle, on upper oblique web 4 and declivity web 5, can be laid with circle, ellipse or polygon loophole 13, loophole 13 is respectively d at the arrangement pitch of upper oblique web 4, declivity web 5
1, d
2, on loophole 13, transparent glass or composite material can be installed.Upper oblique web 4 formation crossing with declivity web 5 angle is " < " shape tuyere 3 of 15 °～75 °.
The two ends of connecting cross beam 2 are connected with steel-concrete folding case beam unit 1, the steel-concrete composite beam that connecting cross beam 2 is concrete slab for the top board of " work " shape or " mouth " shape.
As shown in Fig. 4 a and Fig. 4 b, the fluting 10 between steel-concrete folding case beam unit 1, at the Sarasota near zone l of long span stayed-cable bridge
2in scope, in order to improve the horizontal bending rigidity of split type streamline steel-concrete folding case beam, cancel l
2fluting 10 in region between steel-concrete folding case beam unit 1, at l
2in region, between steel-concrete folding case beam unit 1, be connected to form entirety by top board 8, l
1and l
3the split type streamline steel-concrete folding case beam in region passes through l
4region is transitioned into l
2region.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a split type streamline steel-concrete folding case beam, is characterized in that, this folding case beam comprises:
Horizontally disposed two or three steel-concrete folding case beam unit (1), the arranged outside of this steel-concrete folding case beam unit (1) has tuyere (3);
The fluting (10) that the horizontal width arranging between steel-concrete folding case beam unit (1) is 4m～20m; And
The connecting cross beam (2) longitudinally arranging at interval of 4m～20m along fluting (10).
2. split type streamline steel-concrete folding case beam according to claim 1, it is characterized in that, described steel-concrete folding case beam unit (1) has single box single chamber or single-box multi-cell cross section, its top board (8) is concrete slab, between anticollision barrier (7) on top board (8), be equipped with deck paving for automobile (9), in top board (8) outside, air partition (6) be installed.
3. split type streamline steel-concrete folding case beam according to claim 2, is characterized in that, the height of described air partition (6) is that 1.0m～3.0m, air permeability rate are 50～80%.
4. split type streamline steel-concrete folding case beam according to claim 1, it is characterized in that, base plate (11), upper oblique web (4) and the declivity web (5) of described steel-concrete folding case beam unit (1) is for arranging the steel plate of reinforcing structure, this reinforcing structure is " I " shape, "T"-shaped or " U " shape steel plate, or " H " shape or " mouth " shape girder steel.
5. split type streamline steel-concrete folding case beam according to claim 4, it is characterized in that, on base plate (11), be equipped with train or track (12) for light rail vehicle, on upper oblique web (4) and declivity web (5), be laid with circle, ellipse or polygon loophole (13), loophole (13) is respectively d at the arrangement pitch of upper oblique web (4), declivity web (5)
1, d
2, loophole can be installed transparent glass or composite material on (13).
6. split type streamline steel-concrete folding case beam according to claim 4, it is characterized in that, described oblique web (4) formation crossing with declivity web (5) angle is " < " shape tuyere (3) of 15 °～75 °.
7. split type streamline steel-concrete folding case beam according to claim 1, it is characterized in that, the two ends of described connecting cross beam (2) are connected with steel-concrete folding case beam unit (1), the steel-concrete composite beam that connecting cross beam (2) is concrete slab for the top board of " work " shape or " mouth " shape.
8. split type streamline steel-concrete folding case beam according to claim 1, it is characterized in that, fluting (10) between described steel-concrete folding case beam unit (1), at the Sarasota near zone l of long span stayed-cable bridge or suspension bridge
2in scope, in order to improve the horizontal bending rigidity of split type streamline steel-concrete folding case beam, cancel l
2fluting (10) in region between steel-concrete folding case beam unit (1), at l
2in region, between steel-concrete folding case beam unit (1), be connected to form entirety, l by top board (8)
1and l
3the split type streamline steel-concrete folding case beam in region passes through l
4region is transitioned into l
2region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582112.3U CN203639800U (en) | 2013-09-18 | 2013-09-18 | Split streamline steel-concrete composite box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320582112.3U CN203639800U (en) | 2013-09-18 | 2013-09-18 | Split streamline steel-concrete composite box girder |
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| Publication Number | Publication Date |
|---|---|
| CN203639800U true CN203639800U (en) | 2014-06-11 |
Family
ID=50871058
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320582112.3U Withdrawn - After Issue CN203639800U (en) | 2013-09-18 | 2013-09-18 | Split streamline steel-concrete composite box girder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452036A (en) * | 2013-09-18 | 2013-12-18 | 中交公路长大桥建设国家工程研究中心有限公司 | Split streamline steel-concrete composite box girder |
| CN105544373A (en) * | 2015-12-07 | 2016-05-04 | 清华大学 | Steel box-concrete composite girder for long-span cable-stayed bridge and construction method |
| CN106149539A (en) * | 2016-07-08 | 2016-11-23 | 中铁二院工程集团有限责任公司 | Highway-railway dual-purpose bridge staggered floor main beam section constructs |
| CN106544949A (en) * | 2016-12-07 | 2017-03-29 | 中铁第四勘察设计院集团有限公司 | A kind of double case steel main beam structures of railroad bridge separate type without independent tuyere |
| CN106758740A (en) * | 2016-12-07 | 2017-05-31 | 中铁第四勘察设计院集团有限公司 | A kind of double case steel main beam structures of railroad bridge separate type with independent tuyere |
| CN109183599A (en) * | 2018-08-09 | 2019-01-11 | 中铁大桥勘测设计院集团有限公司 | One kind is asymmetric to choose greatly arm-steel case composite structure |
| CN110886193A (en) * | 2019-12-02 | 2020-03-17 | 西南交通大学 | Pneumatic device for controlling vortex vibration of I-shaped superposed beam bridge and using method thereof |
-
2013
- 2013-09-18 CN CN201320582112.3U patent/CN203639800U/en not_active Withdrawn - After Issue
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452036A (en) * | 2013-09-18 | 2013-12-18 | 中交公路长大桥建设国家工程研究中心有限公司 | Split streamline steel-concrete composite box girder |
| CN103452036B (en) * | 2013-09-18 | 2015-05-27 | 中交公路长大桥建设国家工程研究中心有限公司 | Split streamline steel-concrete composite box girder |
| CN105544373A (en) * | 2015-12-07 | 2016-05-04 | 清华大学 | Steel box-concrete composite girder for long-span cable-stayed bridge and construction method |
| CN106149539A (en) * | 2016-07-08 | 2016-11-23 | 中铁二院工程集团有限责任公司 | Highway-railway dual-purpose bridge staggered floor main beam section constructs |
| CN106149539B (en) * | 2016-07-08 | 2018-08-14 | 中铁二院工程集团有限责任公司 | The dual-purpose bridge staggered floor main beam section construction of highway-railway |
| CN106544949A (en) * | 2016-12-07 | 2017-03-29 | 中铁第四勘察设计院集团有限公司 | A kind of double case steel main beam structures of railroad bridge separate type without independent tuyere |
| CN106758740A (en) * | 2016-12-07 | 2017-05-31 | 中铁第四勘察设计院集团有限公司 | A kind of double case steel main beam structures of railroad bridge separate type with independent tuyere |
| CN109183599A (en) * | 2018-08-09 | 2019-01-11 | 中铁大桥勘测设计院集团有限公司 | One kind is asymmetric to choose greatly arm-steel case composite structure |
| CN109183599B (en) * | 2018-08-09 | 2020-09-01 | 中铁大桥勘测设计院集团有限公司 | Asymmetric large cantilever arm-steel box combined structure |
| CN110886193A (en) * | 2019-12-02 | 2020-03-17 | 西南交通大学 | Pneumatic device for controlling vortex vibration of I-shaped superposed beam bridge and using method thereof |
| CN110886193B (en) * | 2019-12-02 | 2021-06-01 | 西南交通大学 | Pneumatic device for controlling vortex vibration of I-shaped superposed beam bridge and using method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20150527 |
|
| RGAV | Abandon patent right to avoid regrant |