CN203320400U - Railway double-layer steel truss girder bridge boundary pier - Google Patents
Railway double-layer steel truss girder bridge boundary pier Download PDFInfo
- Publication number
- CN203320400U CN203320400U CN2013202926956U CN201320292695U CN203320400U CN 203320400 U CN203320400 U CN 203320400U CN 2013202926956 U CN2013202926956 U CN 2013202926956U CN 201320292695 U CN201320292695 U CN 201320292695U CN 203320400 U CN203320400 U CN 203320400U
- Authority
- CN
- China
- Prior art keywords
- railway
- pier
- abutment
- steel truss
- top cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a railway double-layer steel truss girder bridge boundary pier in order to enable a railway steel truss girder and a roadbed to achieve better connection and transition and enable an upper layer bridge floor of the railway steel truss girder and a concrete simply supported beam to achieve smooth transition. The railway double-layer steel truss girder bridge boundary pier comprises a gate-type pier (10) and a lower layer railway bridge abutment (20) placed between two pier studs. A left side steel beam top cap (31) and a right side steel beam top cap (32) are arranged on the two sides of the gate-type pier (10) respectively. The left side steel beam top cap (31), the gate-type pier (10), the lower layer railway bridge abutment (20) and the right side steel beam top cap (32) are correspondingly provided with an independent left side steel beam top cap foundation (31a), a gate-type pier foundation (11), a lower layer railway bridge abutment foundation (21) and a right side steel beam top cap foundation (32a). A middle steel beam top cap (33) is arranged on the lower layer railway bridge abutment foundation (21).
Description
Technical field
The utility model bridge, particularly a kind of railway clad steel truss bridge boundary pier.
Background technology
Flourish along with the China railways cause, multi-thread double-deck railroad occurs, and the Railway Steel Truss Girder Bridges as double-deck " the upper 4 times 2 " structures of certain six line in design, adopt the upper strata four-track line to connect the railway concrete simply supported beam, and lower floor's double track railway connects railway bed.How to make rail iron trusses and roadbed better be connected transition makes rail iron trusses upper deck of bridge and concrete simply supported beam smooth transition become a urgent problem simultaneously.
Traditional railway T shape abutment or rectangle hollow abutment, for single line or double track railway, or the less bridge of standoff distance is comparatively applicable, but, when for four lines or more multi-thread steel truss girder, because standoff distance is larger, abutment top hat holder dish horizontal span also needs corresponding significantly increasing, make whole bridge abutment structure too huge, and the top vertical width of hat holder dish is narrower, integral body is a narrow structure, is unfavorable for very much the stressed of itself; Because transverse width increases, the abutment deadweight also significantly increases simultaneously, and basis also needs corresponding increase to bear the abutment deadweight, has caused a large amount of wastes on basis.And should bear the vertical load that steel truss girder bridge transmits on the basis of traditional abutment, and also need to lay the transom pier of upper strata simply supported beam, stressed just more complicated, Foundation Design is wasted more.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of railway clad steel truss bridge boundary pier, so that the rail iron trusses better is connected transition and makes rail iron trusses upper deck of bridge and the concrete simply supported beam smooth transition with roadbed.
It is as follows that the utility model solves the technical scheme that its technical problem adopts:
Railway clad steel truss bridge of the present utility model boundary pier, comprise transom pier and the lower floor's railway abutment between its two pier studs, it is characterized in that: described transom pier both sides arrange respectively that girder steel top, left side emits, girder steel top in right side emits, girder steel top, left side emits, transom pier, lower floor's railway abutment, right side girder steel top emit correspondence to have independently left side girder steel top to emit basis, transom pier basis, lower floor's railway abutment foundation, right side girder steel top to emit basis, and in the middle of arranging on lower floor's railway abutment foundation, girder steel pushes up and emits.
The beneficial effects of the utility model are, can meet the support of steel truss girder itself, adapt to steel truss girder lower floor and the transition of roadbed boundary, the needs that adapt to steel truss girder upper strata and the transition of concrete simply supported beam boundary, both as the bridge pier of supporting steel trusses, also, as the steel truss girder abutment, also as the support pier structure on upper strata, the needs of three functions have been met simultaneously; The ingenious space layout characteristics of having utilized steel purlin Qiao, lower floor bridge floor roadbed and upper strata simply supported beam, separate the top cap of the monolithic boundary pier of stressed complexity and basis, greatly reduces design difficulty; Take full advantage of the characteristics that the steel truss girder sectional space is larger, upper strata transom pier bias is reduced to minimum, both met girder steel levels shrinkage joint and arranged, avoid again conflicting of longeron and abutment; Boundary pier sinciput cap adopts separate type, makes the top cap stressed very clear and definite, has effectively reduced platform sinciput cap transverse width, is conducive to that it is stressed, significantly reduces concrete use amount and quantity of reinforcement simultaneously; The basis arrangement form is more flexible, can increase pile foundation quantity at the position of needs according to the actual loading demand; Due to stressed simple, be axis compression member substantially, with respect to common horizontal span, than large, be subject to curved top its amount of reinforcement of cap little, and not easy to crack; Between the girder steel bearing, the top cap adopts after isolating construction and is beneficial to quadrant of truncated cone and arranges, is convenient to draining, can guarantee after the cap of top not ponding simultaneously, prevents that bearing is subject to current scour; Employing separate type basis, reduced basic transverse width on the one hand, makes basis more easily meet the requirement of rigidity angle, is beneficial to basic stress, and the separate type basic stress is clear and definite on the other hand, and each is stressed evenly, and load-carrying efficiency is high, and is easy to control foundation settlement.
The accompanying drawing explanation
This manual comprises following two width accompanying drawings:
Fig. 1 is the front view of the utility model railway clad steel truss bridge boundary pier;
Fig. 2 is the lateral view of the utility model railway clad steel truss bridge boundary pier;
The title of member shown in figure and corresponding mark: transom pier 10, transom pier basis 11, upper strata railway simply supported beam bearing pad stone 12, lower floor's railway abutment 20, lower floor's railway abutment foundation 21, left side girder steel top emit 31, girder steel top in left side emits that basic 31a, right side girder steel top emit 32, girder steel top in right side emits basic 32a, middle girder steel top to emit 33.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
See figures.1.and.2, railway clad steel truss bridge of the present utility model boundary pier, comprise transom pier 10 and the lower floor's railway abutment 20 between its two pier studs, described transom pier 10 both sides arrange respectively that girder steel top, left side emits 31, girder steel top in right side emits 32, girder steel top, left side emits 31, transom pier 10, lower floor's railway abutment 20, right side girder steel top emit 32 correspondences to have independently left side girder steel top to emit basic 31a, transom pier basis 11, lower floor's railway abutment foundation 21, right side girder steel top to emit basic 32a, and in the middle of arranging on lower floor's railway abutment foundation 21, the girder steel top emits 33.
The utility model can meet the support of steel truss girder itself, adapt to steel truss girder lower floor and the transition of roadbed boundary, the needs that adapt to steel truss girder upper strata and the transition of concrete simply supported beam boundary, both as the bridge pier of supporting steel trusses, also as the steel truss girder abutment, also, as the support pier structure on upper strata, the needs of three functions have been met simultaneously; The ingenious space layout characteristics of having utilized steel purlin Qiao, lower floor bridge floor roadbed and upper strata simply supported beam, separate the top cap of the monolithic boundary pier of stressed complexity and basis, greatly reduces design difficulty; Take full advantage of the characteristics that the steel truss girder sectional space is larger, upper strata transom pier bias is reduced to minimum, both met girder steel levels shrinkage joint and arranged, avoid again conflicting of longeron and abutment; Boundary pier sinciput cap adopts separate type, makes the top cap stressed very clear and definite, has effectively reduced platform sinciput cap transverse width, is conducive to that it is stressed, significantly reduces concrete use amount and quantity of reinforcement simultaneously; The basis arrangement form is more flexible, can increase pile foundation quantity at the position of needs according to the actual loading demand; Due to stressed simple, be axis compression member substantially, with respect to common horizontal span, than large, be subject to curved top its amount of reinforcement of cap little, and not easy to crack; Between the girder steel bearing, the top cap adopts after isolating construction and is beneficial to quadrant of truncated cone and arranges, is convenient to draining, can guarantee after the cap of top not ponding simultaneously, prevents that bearing is subject to current scour; Employing separate type basis, reduced basic transverse width on the one hand, makes basis more easily meet the requirement of rigidity angle, is beneficial to basic stress, and the separate type basic stress is clear and definite on the other hand, and each is stressed evenly, and load-carrying efficiency is high, and is easy to control foundation settlement; In addition, separate the base shape rule, and small volume, when reducing itself concrete and amount of reinforcement, can effectively reduce excavated volume, the operating expenses of avoiding dig on a wide area to bring increases and construction risk.
See figures.1.and.2, for the benefit of construction and the reusing of template, described lower floor railway abutment 20 should adopt T shape abutment abutment body.
Some principles of the above the utility model railway clad steel truss bridge boundary pier that just explains through diagrams, be not the utility model to be confined to shown in and in described concrete structure and the scope of application, therefore every corresponding modify likely be utilized and equivalent, all belong to the scope of the claims that the utility model is applied for.
Claims (2)
1. railway clad steel truss bridge boundary pier, comprise transom pier (10) and the lower floor's railway abutment (20) between its two pier studs, it is characterized in that: described transom pier (10) both sides arrange respectively girder steel top, left side and emit (31), girder steel top, right side emits (32), girder steel top, left side emits (31), transom pier (10), lower floor's railway abutment (20), girder steel top, right side emits (32) correspondence to have independently left side girder steel top and emits basis (31a), transom pier basis (11), lower floor's railway abutment foundation (21), girder steel top, right side emits basis (32a), in the middle of arranging on lower floor's railway abutment foundation (21), the girder steel top emits (33).
2. railway clad steel truss bridge as claimed in claim 1 boundary pier, is characterized in that: described lower floor's railway abutment (20) employing T shape abutment abutment body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202926956U CN203320400U (en) | 2013-05-27 | 2013-05-27 | Railway double-layer steel truss girder bridge boundary pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202926956U CN203320400U (en) | 2013-05-27 | 2013-05-27 | Railway double-layer steel truss girder bridge boundary pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203320400U true CN203320400U (en) | 2013-12-04 |
Family
ID=49659766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202926956U Expired - Lifetime CN203320400U (en) | 2013-05-27 | 2013-05-27 | Railway double-layer steel truss girder bridge boundary pier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203320400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056509A (en) * | 2018-09-25 | 2018-12-21 | 中铁二院工程集团有限责任公司 | A kind of separate type abutment being suitable for double track railway ultra-wide steel truss girder |
-
2013
- 2013-05-27 CN CN2013202926956U patent/CN203320400U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056509A (en) * | 2018-09-25 | 2018-12-21 | 中铁二院工程集团有限责任公司 | A kind of separate type abutment being suitable for double track railway ultra-wide steel truss girder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201581344U (en) | Double track railway steel truss cable-stayed bridge | |
| CN201843076U (en) | Groove-shaped steel bridge deck structure of high-speed railway steel tied arched bridge | |
| CN203855866U (en) | Large-span frame bridge overhead roof with beams convenient to construct | |
| CN206706545U (en) | The bridge arrangement of highway and rail traffic building jointly | |
| CN203320400U (en) | Railway double-layer steel truss girder bridge boundary pier | |
| CN203603073U (en) | Reinforced concrete lattice type composite platform beam of elevated station | |
| CN203625777U (en) | Adjustable wheeltrack type beam transporting vehicle on beams | |
| CN207314121U (en) | A kind of steel structure bridge builds damping device | |
| CN201835191U (en) | Railway ballastless track supporting block | |
| CN203320399U (en) | Six-line double-layer railway bridge pier | |
| CN203238621U (en) | Grouting pile provided with double layers of tensile bars | |
| CN101200872A (en) | Bottom bearing box beam for rail traffic station | |
| CN202000221U (en) | Ballastless track structure for steep slope subgrade | |
| CN203229864U (en) | Large-span six-line double-layer railway bridge steel truss girder structure | |
| CN201770936U (en) | Irregular rigid frame arch bridge in elevated station space | |
| CN208455467U (en) | A kind of small displacement reinforced double-layer anticreep waterstop telescopic device | |
| CN103225255A (en) | Steel truss girder constitution for large-span six-line double-layered railway bridge | |
| CN201762660U (en) | Beam storing pedestal | |
| CN206157483U (en) | Moderate -low speed magnetic levitation traffic engineering double -line location supporting beam of pile foundation formula support rail girder construction of filling | |
| CN202530365U (en) | Half-through type opening box-shaped section steel-concrete composite beam | |
| CN206157484U (en) | Moderate -low speed magnetic levitation traffic engineering single line location supporting beam of pile foundation formula support rail girder construction of filling | |
| CN204491392U (en) | A kind of Longspan Bridge | |
| CN210288090U (en) | Approach plate structure suitable for seamless bridge | |
| CN211199930U (en) | Composite track slab applied to magnetic suspension line | |
| CN209941414U (en) | Transition system of single track interval switch roof beam that strides formula connects station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA RAILWAY CORPORATION Free format text: FORMER OWNER: CHINA RAILWAY ERYUAN ENGINEERING GROUP CO., LTD. Effective date: 20150112 Owner name: CHINA RAILWAY ERYUAN ENGINEERING GROUP CO., LTD. Effective date: 20150112 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610031 CHENGDU, SICHUAN PROVINCE TO: 100070 HAIDIAN, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150112 Address after: 100070 Fuxing Road, Beijing, Haidian District, No. 10 Patentee after: CHINA RAILWAY Corp. Patentee after: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. Address before: 610031 Sichuan Province, Chengdu City Kam Tong Road No. 3 Patentee before: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |