CN102797218A - Large-span railway desk type concrete arch bridge structure - Google Patents
Large-span railway desk type concrete arch bridge structure Download PDFInfo
- Publication number
- CN102797218A CN102797218A CN2012102994188A CN201210299418A CN102797218A CN 102797218 A CN102797218 A CN 102797218A CN 2012102994188 A CN2012102994188 A CN 2012102994188A CN 201210299418 A CN201210299418 A CN 201210299418A CN 102797218 A CN102797218 A CN 102797218A
- Authority
- CN
- China
- Prior art keywords
- arch
- main
- pier
- section
- span
- 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.)
- Pending
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a large-span railway desk type concrete arch bridge structure. When transverse and longitudinal rigidities and stresses of the arch bridge structure are preferably satisfied, construction difficulties and construction risks of a main arch ring and an arch structure can be reduced, and engineering cost is greatly reduced. The large-span railway desk type concrete arch bridge structure comprises the main arch ring (1), a border pier (21), an arch beam (3), an arch column (4) and an arch support foundation (5), wherein arch feet on two sides of the border pier (21) and the main arch ring (1) are supported on the arch support foundation (5); the arch beam (3) is supported on the main arch ring (1) by the arch column (4). The main arch ring (1) is equal-height single-box and multi-chamber section box-like plate arch; the arch top of the main arch ring is an equal-width section (11); and arc foot parts close to two sides of the main arch ring are linear widened sections (12). The border pier (21) forms a border pier T structure (2) together with a T structure beam (22) fixedly connected with the top end of the border pier (21); and the arch beam (3) is a multi-span continuous beam.
Description
Technical field
The present invention relates to bridge structure, particularly a kind of passenger dedicated railway line is crossed over the LONG-SPAN RAILWAY deck type concrete arch-type bridge structure of type valley, mountain area " V " landform.
Background technology
The passenger dedicated railway line bridge is higher to rigidity requirement, and in each long span bridge type, cable stayed bridge and suspension bridge are because himself rigidity is difficult to promote, and temperature deformation is big, and difficulty satisfies the related request that train is runed at a high speed.And arch bridge not only has bigger span ability and integral rigidity as a kind of bridge type commonly used, and can well combine with the valley landform.Concrete arch-type bridge particularly has that rigidity is big, supporting capacity strong, receives that influence of temperature change is little, cost low and plurality of advantages such as later stage maintenance workload is little, stresses that with the passenger dedicated railway line bridge the little characteristics of the rigidity of structure and distortion just in time coincide.Different with the position of arch ring according to bridge deck, arch bridge can be divided into deck type, half-through, three kinds of forms of lower support type, has built the large-span concrete arch bridge at present and mostly has been the deck type fixed-end arch, and be mostly ribbed arch, adopts the less of plate arch.And at present the concrete box shaped slab arch bridge of deck type is and waits the width arch, i.e. main arch cross section employing is wide.The railroad bridge bridge floor is often narrower, and main arch circle width needs to coordinate mutually with it, and lateral stiffness receives certain limitation, though still can satisfy the requirement of little span Lateral Stiffness of Railway Bridge, is difficult to adapt to the requirement of railway wide span bridge lateral stiffness.Be to improve the railway wide span bridge lateral stiffness, guarantee the safety and the comfortableness of taking the passenger of train under the operation condition, need increase arch ring width; Widen like arch ring integral body; Because bridge floor is narrower, spandrel structure and main arch circle inaccurate coordination influence the bridge landscape effect; And increased main arch bricklaying consumption, caused the waste of material.And for spandrel structure, the spandrel structure of China's deck type concrete arch-type bridge all adopts the freely supported structure system, because the simply supported beam span ability is limited; Along with the increase of arch bridge span, spandrel column is higher, and particularly (like span is the 500m arch bridge near the 1# pier stud of arch springing; Ratio of rise to span adopts 1/5, and the 1# column is near 100m on the arch), on the arch pier stud longitudinal rigidity difficulty meet design requirement; And spandrel column is many, has increased difficulty of construction and construction risk.
Summary of the invention
The present invention wants the technical solution problem to provide a kind of LONG-SPAN RAILWAY deck type concrete arch-type bridge structure; Satisfy well arch bridge structure laterally, longitudinal rigidity and stressed in; Can reduce the difficulty of construction and the construction risk of main arch circle and spandrel structure, and reduce construction costs greatly.
It is following that the present invention solves the technical scheme that its technical problem takes:
LONG-SPAN RAILWAY deck type concrete arch-type bridge structure of the present invention; Comprise main arch circle, boundary pier, arch upper beam, spandrel column and abut basis; Boundary pier and main arch circle both sides arch springing are supported on the abut basis, and arch is put the beams in place and to be supported on the main arch circle through spandrel column, it is characterized in that: said main arch circle such as is at a high single-box multi-cell cross section box-shaped plate arch; Its dome portions is wide section, is the linearity section of broadening near both sides arch springing portion; Said boundary pier constitutes boundary pier T structure with the T structure beam that is consolidated in its top, and said arch is put the beams in place and is continuous beam on many supports.
The invention has the beneficial effects as follows that main arch arch springing part broadens and well adapted to the span variation to the requirement of main arch lateral stiffness, structure stress is reasonable, and is safe and reliable; Guaranteeing arch bridge structure vertically, under the prerequisite of lateral stiffness and force request, reduced the difficulty of construction and the construction risk of structure, the main arch section can form stage by stage, significantly reduces the construction costs of this bridge construction, reduces investment outlay; And bridge good looking appearance, arch upper span ratio and main arch yardstick are coordinated, and are rich in the rhythm, combine with mountain area deep valley landform, have stronger visual impact, and landscape effect is splendid, can demonstrate fully the aesthetic effect of bridge.
Description of drawings
This manual comprises following nine width of cloth accompanying drawings:
Fig. 1 is the overall structure sketch map of LONG-SPAN RAILWAY deck type concrete arch-type bridge structure of the present invention;
Fig. 2 is LONG-SPAN RAILWAY deck type concrete arch-type bridge structure main arch coil structures elevation of the present invention;
Fig. 3 is LONG-SPAN RAILWAY deck type concrete arch-type bridge structure main arch coil structures vertical view of the present invention;
Fig. 4 is LONG-SPAN RAILWAY deck type concrete arch-type bridge structure main arch circle crown section figure of the present invention;
Fig. 5 is LONG-SPAN RAILWAY deck type concrete arch-type bridge structure main arch circle arch springing sectional view of the present invention;
Fig. 6 is LONG-SPAN RAILWAY deck type concrete arch-type bridge structure of the present invention boundary pier T structure sketch map;
Fig. 7 is LONG-SPAN RAILWAY deck type concrete arch-type bridge structure of the present invention boundary pier facade constructional drawing;
Fig. 8 is LONG-SPAN RAILWAY deck type concrete arch-type bridge structure of the present invention boundary pier lateral view;
Fig. 9 arranges sketch map for LONG-SPAN RAILWAY deck type concrete arch-type bridge structure arch ring construction knotted rope of the present invention.
Member shown in the figure, position and pairing mark: main arch circle 1, wide section 11, the linearity section of broadening 12, raising middle flask chamber 13, case chamber, limit 14; Boundary pier T structure 2, boundary pier 21, pier stud 21a, crossbeam 21b, knotted rope mounting structure 21c; T structure beam 22; Continuous beam 3 on the arch; Spandrel column 4; Abut basis 5, arch ring construction knotted rope 6.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
With reference to Fig. 1; LONG-SPAN RAILWAY deck type concrete arch-type bridge structure of the present invention; Comprise main arch circle 1, boundary pier 21, arch upper beam 3, spandrel column 4 and abut basis 5; Boundary pier 21 is supported on the abut basis 5 with main arch circle 1 both sides arch springing, and arch is put the beams in place and 3 is supported on the main arch circle 1 through spandrel column 4.Referring to figs. 1 through Fig. 4; Said main arch circle 1 such as is at a high single-box multi-cell cross section box-shaped plate arch; Its dome portions is wide section 11, and portion is the linearity section of broadening 12 near the both sides arch springing, satisfies the arch springing cross section stressed the time; Increase the lateral stiffness of main arch circle, thereby formed a kind of novel deck type box-shaped plate arch profile.
Fig. 4 and Fig. 5 show a kind of typical structure of main arch circle 1; Be that said main arch circle 1 is for having the box-shaped plate arch such as cross section such as single case three Room such as height such as grade of raising middle flask chamber 13 and dual-side case chamber 14; Wherein, The linearity section of broadening 12 is identical with wide section 11 raising middle flask chamber 13 width, and the width of the linearity section of broadening dual-side case chambers 14 12 is with respect to the width widen of wide section 11 dual-side case chamber 14.The cross section can adopt the branch ring to build, and branch forms global sections, greatly reduces difficulty of construction, and main arch construction simultaneously can repeat down usefulness with template, has practiced thrift form work engineering quantity, has reduced construction costs.
With reference to Fig. 1 and Fig. 6; Said boundary pier 21 constitutes boundary pier T structure with the T structure beam that is consolidated in its top, and said arch upper beam 3 is a continuous beam on many supports, and spandrel construction forms T structure--continuous beam combining structure; Can reduce arch and go up the height of pier stud 4; Reduce the number of pier stud 4, helped reducing the difficulty of construction and the construction risk of spandrel structure, and practice thrift arch and go up the pier quantity of masonry.T structure beam 22 is put the beams in place 3 spans than the ratio (0.618) that can adopt golden section with arch, strengthens the aesthetic effect of spandrel construction.Coordinate with " V " shape valley terrain environment, landscape effect is good.
With reference to Fig. 7, Fig. 8 and Fig. 9, said boundary pier stud 21 adopts by two pier stud 21a with the gate-type twin shaft pier that the crossbeam 21b of its fixed longitudinal separation setting for one constitutes, and on crossbeam 21b, is provided for the construct knotted rope mounting structure 21c of knotted rope 6 of fixing arch ring.Pier stud 21a spacing is coordinated with main arch circle 1 width with transverse width mutually; In the T structure beam 22 that supports boundary pier T structure 2; Buckle tower during as main arch circle 1 construction, adopt permanent structure to combine with temporary structure, detain tower when having saved construction temporarily with construction; Significantly reduced construction costs, reduced investment outlay.
LONG-SPAN RAILWAY deck type concrete arch-type bridge of the present invention structure has structure innovation, safe and reliable, economical rationality and characteristics handsome in appearance.The applicant successfully is applied in the design of building Shanghai Kun Keyunzhuanxianbei dish river grand bridge (main span 445m) and cloud osmanthus railway Nanpanjiang River grand bridge (main span 416m).Wherein grand bridge design speed per hour in the specially northern dish of Shanghai elder brother visitor river is 350km/h, is main span 445m deck type reinforced concrete arch bridge, is concrete arch-type bridge the biggest in the world after building up.The main arch circle is height such as 9.0m, and crown section 315m is that 18m is wide, and arch springing section 65m is that 18 ~ 28m broadens, the high 102m of boundary pier pier, and T structure girder span is 65m, continuous beam is 8 * 42m continuous beam on the arch, the high 57m of 1# column on the arch.As according to waiting width plate arch, arch ring concrete masonry side amount is 29630 sides, the high 85m of 1# pier stud on the arch; Adopting main arch of the present invention concrete masonry side amount is 25004 sides; Practice thrift concrete masonry side about 19%, the 1# column reduces by 33% on the arch, with reference to figure 9; The boundary pier with the button tower, has reduced construction costs and construction risk as the main arch construction significantly.
Some principles of the above LONG-SPAN RAILWAY deck type concrete arch-type bridge structure of the present invention that just explains through diagrams; Be not be want the present invention be confined to shown in described concrete structure and the scope of application in; So every the response modification and equivalent that might be utilized, the claim that all belongs to the present invention and applied for.
Claims (3)
1. LONG-SPAN RAILWAY deck type concrete arch-type bridge is constructed; Comprise main arch circle (1), boundary pier (21), arch upper beam (3), spandrel column (4) and abut basis (5); Boundary pier (21) and main arch circle (1) both sides arch springing are supported on the abut basis (5); Arch upper beam (3) is supported on the main arch circle (1) through spandrel column (4); It is characterized in that: said main arch circle (1) such as is at a high single-box multi-cell cross section box-shaped plate arch, and its dome portions is wide section (11), is the linearity section of broadening (12) near both sides arch springing portion; Said boundary pier (21) constitutes boundary pier T structure (2) with the T structure beam (22) that is consolidated in its top, and said arch upper beam (3) is a continuous beam on many supports.
2. LONG-SPAN RAILWAY deck type concrete arch-type bridge structure as claimed in claim 1; It is characterized in that: said main arch circle (1) is for having the box-shaped plate arch such as cross section such as single case three Room such as height such as grade of raising middle flask chamber (13) and dual-side case chamber (14); Wherein, Raising middle flask chamber (13) width of the linearity section of broadening (12) and wide section (11) is identical, and the width of the linearity section of broadening (12) dual-side case chamber (14) is with respect to the width widen of wide section (11) dual-side case chamber (14).
3. according to claim 1 or claim 2 LONG-SPAN RAILWAY deck type concrete arch-type bridge structure; It is characterized in that: said boundary pier stud (21) adopts by two pier studs (21a) and gate-type twin shaft pier that its fixed crossbeam (21b) that is provided with for the longitudinal separation of one is constituted, on crossbeam (21b), is provided for the construct knotted rope mounting structure (21c) of knotted rope (6) of fixing arch ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102994188A CN102797218A (en) | 2012-08-22 | 2012-08-22 | Large-span railway desk type concrete arch bridge structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102994188A CN102797218A (en) | 2012-08-22 | 2012-08-22 | Large-span railway desk type concrete arch bridge structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102797218A true CN102797218A (en) | 2012-11-28 |
Family
ID=47196500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102994188A Pending CN102797218A (en) | 2012-08-22 | 2012-08-22 | Large-span railway desk type concrete arch bridge structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102797218A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334373A (en) * | 2013-07-17 | 2013-10-02 | 大连海事大学 | Novel ribbed arch bridge transverse earthquake resistant structure system with buckling restrained brace |
| CN104389317A (en) * | 2014-11-06 | 2015-03-04 | 中铁二院工程集团有限责任公司 | Ultralarge-sized oblique single-pile foundation structure of large-span arch bridge |
| CN104652292A (en) * | 2015-01-04 | 2015-05-27 | 中冶建筑研究总院有限公司 | Reinforcement and reconstruction method of bridge deck structure of prestressed concrete trussed combination arch bridge |
| CN105463982A (en) * | 2015-11-13 | 2016-04-06 | 中铁二院工程集团有限责任公司 | Spandrel architectural construction of ballastless track wide-span high-speed railway arch bridge |
| CN107740340A (en) * | 2017-12-07 | 2018-02-27 | 中铁二院工程集团有限责任公司 | A kind of device for improving large span Deck Arch Bridges spandrel structure anti-seismic performance |
| CN107893367A (en) * | 2017-12-07 | 2018-04-10 | 中铁二院工程集团有限责任公司 | A kind of method for being used to improve large span Deck Arch Bridges spandrel structure anti-seismic performance in work progress |
| CN108625273A (en) * | 2018-06-27 | 2018-10-09 | 中铁二院工程集团有限责任公司 | It is constructed on a kind of large span Deck Arch Bridges arch |
| CN109457592A (en) * | 2018-12-03 | 2019-03-12 | 中铁第四勘察设计院集团有限公司 | A kind of V-arrangement valley arch bridge across railway concrete greatly |
| CN109667219A (en) * | 2018-12-29 | 2019-04-23 | 华北水利水电大学 | A kind of rigid structure of T shape and arcading combined bridge structure |
| CN110016854A (en) * | 2019-03-14 | 2019-07-16 | 中铁二院工程集团有限责任公司 | A kind of short tower oblique pull is put more energy into combination arch bridge construction |
| CN110130203A (en) * | 2019-05-30 | 2019-08-16 | 中铁第四勘察设计院集团有限公司 | A kind of deck type arch-rigid frame-continuous girder composite bridge and construction method |
| CN111705621A (en) * | 2020-07-20 | 2020-09-25 | 四川省公路规划勘察设计研究院有限公司 | Light arch building system suitable for long-span cantilever pouring arch bridge |
| CN113392449A (en) * | 2021-06-01 | 2021-09-14 | 中铁二院工程集团有限责任公司 | Optimization design method of large-span arch support composite foundation |
| CN114703735A (en) * | 2022-04-14 | 2022-07-05 | 北京市市政工程设计研究总院有限公司 | Novel multi-span through-deck continuous arch bridge vault structure |
| US11920313B2 (en) | 2019-02-21 | 2024-03-05 | Guangdong Research Institute Of Water Resources And Hydropower | Aqueduct leakage repairing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201144389Y (en) * | 2007-12-19 | 2008-11-05 | 中铁二院工程集团有限责任公司 | Deck railway arch bridge |
| JP4542048B2 (en) * | 2006-02-06 | 2010-09-08 | 三井住友建設株式会社 | How to build an arch bridge |
| KR20100138122A (en) * | 2009-06-24 | 2010-12-31 | (주)청석엔지니어링 | Base of arch rigid frame structure including composite covering arch structure and constructing method thereof |
| CN202047349U (en) * | 2011-05-09 | 2011-11-23 | 中铁二院工程集团有限责任公司 | Long span railroad bridge structure |
| CN202688847U (en) * | 2012-08-22 | 2013-01-23 | 中铁二院工程集团有限责任公司 | Large span railway deck type concrete arch bridge structure |
-
2012
- 2012-08-22 CN CN2012102994188A patent/CN102797218A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4542048B2 (en) * | 2006-02-06 | 2010-09-08 | 三井住友建設株式会社 | How to build an arch bridge |
| CN201144389Y (en) * | 2007-12-19 | 2008-11-05 | 中铁二院工程集团有限责任公司 | Deck railway arch bridge |
| KR20100138122A (en) * | 2009-06-24 | 2010-12-31 | (주)청석엔지니어링 | Base of arch rigid frame structure including composite covering arch structure and constructing method thereof |
| CN202047349U (en) * | 2011-05-09 | 2011-11-23 | 中铁二院工程集团有限责任公司 | Long span railroad bridge structure |
| CN202688847U (en) * | 2012-08-22 | 2013-01-23 | 中铁二院工程集团有限责任公司 | Large span railway deck type concrete arch bridge structure |
Non-Patent Citations (2)
| Title |
|---|
| 游励晖等: "云桂铁路桥梁设计", 《高速铁路技术》 * |
| 陈让利: "沪昆客专北盘江特大桥设计与施工方案", 《科技情报开发与经济》 * |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334373B (en) * | 2013-07-17 | 2015-10-28 | 大连海事大学 | A kind of ribbed arch bridge Horizontal Seismic new structural system containing buckling restrained brace |
| CN103334373A (en) * | 2013-07-17 | 2013-10-02 | 大连海事大学 | Novel ribbed arch bridge transverse earthquake resistant structure system with buckling restrained brace |
| CN104389317A (en) * | 2014-11-06 | 2015-03-04 | 中铁二院工程集团有限责任公司 | Ultralarge-sized oblique single-pile foundation structure of large-span arch bridge |
| CN104652292A (en) * | 2015-01-04 | 2015-05-27 | 中冶建筑研究总院有限公司 | Reinforcement and reconstruction method of bridge deck structure of prestressed concrete trussed combination arch bridge |
| CN105463982A (en) * | 2015-11-13 | 2016-04-06 | 中铁二院工程集团有限责任公司 | Spandrel architectural construction of ballastless track wide-span high-speed railway arch bridge |
| CN105463982B (en) * | 2015-11-13 | 2019-01-04 | 中铁二院工程集团有限责任公司 | A kind of spandrel construction construction of non-fragment orbit large span high-speed railway arch bridge |
| CN107740340A (en) * | 2017-12-07 | 2018-02-27 | 中铁二院工程集团有限责任公司 | A kind of device for improving large span Deck Arch Bridges spandrel structure anti-seismic performance |
| CN107893367A (en) * | 2017-12-07 | 2018-04-10 | 中铁二院工程集团有限责任公司 | A kind of method for being used to improve large span Deck Arch Bridges spandrel structure anti-seismic performance in work progress |
| CN108625273A (en) * | 2018-06-27 | 2018-10-09 | 中铁二院工程集团有限责任公司 | It is constructed on a kind of large span Deck Arch Bridges arch |
| CN109457592B (en) * | 2018-12-03 | 2023-10-27 | 中铁第四勘察设计院集团有限公司 | V-shaped canyon long-span railway concrete arch bridge |
| CN109457592A (en) * | 2018-12-03 | 2019-03-12 | 中铁第四勘察设计院集团有限公司 | A kind of V-arrangement valley arch bridge across railway concrete greatly |
| CN109667219A (en) * | 2018-12-29 | 2019-04-23 | 华北水利水电大学 | A kind of rigid structure of T shape and arcading combined bridge structure |
| CN109667219B (en) * | 2018-12-29 | 2024-03-08 | 华北水利水电大学 | T-shaped rigid frame and multi-arch combined bridge structure |
| US11920313B2 (en) | 2019-02-21 | 2024-03-05 | Guangdong Research Institute Of Water Resources And Hydropower | Aqueduct leakage repairing method |
| CN110016854A (en) * | 2019-03-14 | 2019-07-16 | 中铁二院工程集团有限责任公司 | A kind of short tower oblique pull is put more energy into combination arch bridge construction |
| CN110130203A (en) * | 2019-05-30 | 2019-08-16 | 中铁第四勘察设计院集团有限公司 | A kind of deck type arch-rigid frame-continuous girder composite bridge and construction method |
| CN110130203B (en) * | 2019-05-30 | 2024-05-03 | 中铁第四勘察设计院集团有限公司 | Upper-bearing arch-rigid frame continuous beam combined bridge and construction method |
| CN111705621A (en) * | 2020-07-20 | 2020-09-25 | 四川省公路规划勘察设计研究院有限公司 | Light arch building system suitable for long-span cantilever pouring arch bridge |
| CN113392449A (en) * | 2021-06-01 | 2021-09-14 | 中铁二院工程集团有限责任公司 | Optimization design method of large-span arch support composite foundation |
| CN113392449B (en) * | 2021-06-01 | 2022-12-30 | 中铁二院工程集团有限责任公司 | Optimization design method of large-span arch support composite foundation |
| CN114703735A (en) * | 2022-04-14 | 2022-07-05 | 北京市市政工程设计研究总院有限公司 | Novel multi-span through-deck continuous arch bridge vault structure |
| CN114703735B (en) * | 2022-04-14 | 2023-09-19 | 北京市市政工程设计研究总院有限公司 | Multi-span upper bearing type continuous arch bridge vault structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102797218A (en) | Large-span railway desk type concrete arch bridge structure | |
| CN205501791U (en) | Two recessed arch integrated configurations of steel binder - entity jib - | |
| CN203247495U (en) | Pedestrian rope bridge | |
| WO2017101767A1 (en) | Double-track beam for magnetic-levitation rail-wrap-type rail transit | |
| CN202688847U (en) | Large span railway deck type concrete arch bridge structure | |
| CN202164546U (en) | High pier bridge construction platform | |
| CN105568786B (en) | Overhanging combination box track roof beam suspension system of suspension type monorail transit bottom plate | |
| CN101831876B (en) | Movable bridge fabrication machine and bridging method thereof | |
| CN106087775B (en) | For setting up intercity track and subway U beam self-balancing via hole type Bridge Erectors | |
| CN202181509U (en) | Expansion curved tower for extradosed cable-stayed bridge | |
| CN201411627Y (en) | Steel-concrete composite tower-beam consolidation kilometer grade multi-span suspension bridge | |
| CN203755127U (en) | Pre-stress high-performance concrete continuous box girder bridge | |
| CN205276073U (en) | Two line track roof beams of rail formula track traffic are embraced in magnetic suspension | |
| CN107724227A (en) | A kind of continuous rigid frame deck type plate arch combined bridge | |
| CN105625157B (en) | Combined box-type track beam with overhanging bottom plate and hanging top plate applied to suspended monorail traffic | |
| CN101294370A (en) | Erecting machine of bridge span for road and railway | |
| CN201770936U (en) | Irregular rigid frame arch bridge in elevated station space | |
| CN203782547U (en) | Reinforced concrete variable cross-section rectangular hollow large-frame pier | |
| CN103321137B (en) | Groove-shaped bridge beam | |
| CN202644410U (en) | Protection canopy frame of triangle-shaped trusswork | |
| CN204356641U (en) | For the X-type bridge pier of inter-city passenger rail viaduct | |
| CN204080634U (en) | Wavelike steel webplate continuous box girder hanging basket device | |
| CN213328632U (en) | Suspension type monorail trolley-bus tie-rod arch bridge structure | |
| CN205474783U (en) | Combination box track roof beam that bottom plate is overhanging, roof hung | |
| CN105568838B (en) | Rail track traffic two-wire track girder is embraced in a kind of magnetic suspension |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121128 |