CN103835226A - Plane curve girder bridge creeping-preventing limiting device - Google Patents
Plane curve girder bridge creeping-preventing limiting device Download PDFInfo
- Publication number
- CN103835226A CN103835226A CN201410106659.5A CN201410106659A CN103835226A CN 103835226 A CN103835226 A CN 103835226A CN 201410106659 A CN201410106659 A CN 201410106659A CN 103835226 A CN103835226 A CN 103835226A
- Authority
- CN
- China
- Prior art keywords
- steel plate
- plate
- medial
- plane curve
- lateral
- 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.)
- Granted
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a plane curve girder bridge creeping-preventing limiting device which is composed of an anchoring steel plate, a limiting steel plate and a limiting assembly from top to bottom. The anchoring steel plate is composed of an upper anchoring plate and a stiffening rib plate, the limiting assembly is of a detachable structure and is composed of an anchor plate connected with a pier stud, an inner steel plate and an outer steel plate from inside to outside, an inner sliding block and an outer sliding block are placed at the top face of the inner steel plate and the top face of the outer steel plate, and corrosion resistant plates and friction pairs are arranged between the inner sliding block and the inner steel plate, the outer steel plate and the limiting steel plate and between the outer sliding block and the inner steel plate, the outer steel plate and the limiting steel plate. A top face steel plate and a dustproof cover are installed on the top faces of the inner steel plate and the outer steel plate. The plane curve girder bridge creeping-preventing limiting device can be connected in a spliced mode, and the requirements of being capable of being detected, easy to maintain, capable of being maintained and capable of being replaced are met. The plane curve girder bridge creeping-preventing limiting device is light in weight and small in influence on pier stud bearing capacity. Meanwhile, the plane curve girder bridge creeping-preventing limiting device has the advantages of being simple in structure, low in engineering construction cost, convenient to construct, suitable of factory mass production, capable of being installed in the site in a bolted mode, free of influences on bridge floor traffic, attractive in appearance and the like.
Description
Technical field
The present invention relates to a kind of plane curve beam bridge anti-creep and move stopping means, refer to that especially middle support design is bi-directional movable bearing, fixed bearing, exist laterally to climb and move hidden danger and disease or the horizontal plane curve beam bridge of fixed bearing Lack of support, laterally climb the horizontal anti-creep of one that moves application in disease maintenance and move stopping means.
Background technology
Along with the develop rapidly that domestic and abroad bridge is built, the application of Curved Beam Bridge in urban interchange is also more and more extensive.Curved Beam Bridge has good compliance for the terrain and its features of various complexity.Particularly, in the overpass bridge in city, its excellent the line of beauty is interweaved, and not only can improve the traffic capacity at crossing, especially the graceful scenery together in city.
In recent years, some bridges of building early of various places successively occur various diseases even occurring the serious public safety accidents such as bridge of collapsing, and country is caused to huge economic loss, have also caused socially very large negative effect.Wherein, " climb and move " problem of Curved Beam Bridge has also caused attention widely gradually.
Curved Beam Bridge mechanical behavior and straight bridge have very big-difference, early stage designer is limited to the theory of computation at that time, understand not deep enough to Curved Beam Bridge structural mechanics mechanism, conventionally after adopting linear beam model to calculate, rule of thumb revised, the data that obtain are often accurate not, and result causes present curved bridge generally to occur climbing and moves disease.Plane curve beam bridge, because of himself construction features, easily produces lateral displacement under the effects such as automobile mobile load, the even temperature difference, the transverse gradients temperature difference, concrete shrinkage and creep.Particularly, supporting has adopted or has partly adopted the plane curve beam bridge of bi-directional movable bearing, and along with the accumulation of time, this kind of lateral displacement part cannot be recovered, and displacement increases gradually and formed laterally " climb and move " disease.After certain hour, the beam body horizontal movement of bearing place is as exceeded design permissible value, and bearing bearing capacity will decline.Climb the problem of moving and gently reduce road-ability, heavy endanger bridge structure safe.
Constantly perfect along with the theory of computation, engineer is more accurate to the analysis of Curved Beam Bridge, to Curved Beam Bridge, stressed and deformation characteristic also can better be held, and can pass through reasonable Arrangement support position, adopts the measures such as horizontal fixed bearing can solve the problem of moving of climbing.But for built employing bi-directional movable bearing, existing and laterally climb the bridge that moves disease, can be horizontal fixed bearing middle supporting bi-directional movable bearing replacement, even can adopt replacing position of the fulcrum to solve the problem of moving of climbing.This kind of mode need to redesign bridge force-bearing system, and its enforcement difficulty is very large, need to carry out synchronization of jacking up to girder; It is improper in continuous beam synchronization of jacking up process, to control, and beam body easily produces crack, and need take necessary horizontal temporary spacing measure, and girder jacking all can cause and have a strong impact on traffic under bridge on bridge.
Summary of the invention
The object of this invention is to provide a kind of plane curve beam bridge anti-creep and move stopping means, further climb the technical problem of moving to solve to utilize easy operation to realize to prevent plane curve beam bridge from climbing to move or limit it; This device also can solve the technical problem of bearing Horizontal Seismic Lack of support simultaneously in conjunction with pier stud seismic hardening simultaneously, and the overturning or slip resistance analysis that also can be used for only post supporting bridge is reinforced.
In order to realize foregoing invention object, the technical solution adopted in the present invention is as follows:
A kind of plane curve beam bridge anti-creep moves stopping means, and it comprises: upper anchor plate (1), the steel plate of putting more energy into (2), spacing steel plate (3), pier stud connect anchor plate (4), inner side steel plate (5), medial roof steel plate (6), sideslip motion block (7), outside steel plate (8), top, outside steel plate (9), outside slip motion block (10), side junction plate (11), corrosion resistant plate and tetrafluoro slide plate slides friction pair (12), dust cover (13), inner side steel plate high-strength bolt (14), side steel plate high-strength bolt (15) and top steel plate bolt (16); The upper anchor plate (1) that horizontal direction arranges forms overallly with being positioned at spacing steel plate (3) that the steel plate of putting more energy into (2) of spacing steel plate (3) both sides, top and vertical direction arrange by welding, upper anchor plate (1) is bolted and is installed on girder bottom surface; Pier stud connects anchor plate (4) and is welded to connect with pier stud top encased steel plate; Inner side steel plate (5) is connected anchor plate (4) by high-strength bolt (14) and connects with pier stud; Outside steel plate (8) is connected with inner side steel plate (5) bolt with high-strength bolt (15) by side junction plate (11); Sideslip motion block (7), outside slip motion block (10) are positioned over respectively on L shaped inner side steel plate (5) and L shaped outside steel plate (8), and the one side that sliding shoe (7), (10) contact with spacing steel plate (3) is plane, and another side is cambered surface; Top, medial and lateral steel plate (6), (9) are placed in medial and lateral slide block (7), (10) above, and fix with top steel, crab bolt (16) together forms with L shaped medial and lateral steel plate (5), (10) cavity of protecting medial and lateral slide blocks (7), (10); Spacing steel plate (3) inserts between medial and lateral steel plate (5), (8) and medial and lateral sliding shoe (7), (10) of limit assembly; Described sliding shoe (7), (10) all arrange corrosion resistant plate and tetrafluoro slide plate slides friction pair (12) with each contact surface of medial and lateral steel plate (5), (8), spacing steel plate (3).
Reserved certain space between sideslip motion block (7) in described spacing steel plate (3) and bottom limit assembly, outside slip motion block (10).
Upper anchor plate (1) can directly be anchored in girder bottom surface by crab-bolt; At the poor kingpost baseplate place of anchoring condition, at kingpost baseplate steel-bonded reinforcement, then at the bottom of upper anchor plate (1) is welded in to girder; Lower anchoring pier stud junction plate (4) is welded in the Dun Ding of stirrup.
Dust cover (13) is placed in top, medial and lateral steel plate (6), (9) above, fixes equally with top steel.
The upper graduated scale of installing of steel plate inside limit assembly (5) or outside steel plate (8).
The present invention has following advantage and good effect:
Climb for solving Curved Beam Bridge the problem of moving, adopt plane curve beam bridge anti-creep to move normal direction that stopping means not only can retrain girder and climb and move, prevent that bearing lateral displacement from causing Lack of support when excessive; Also can make each pier evenly share horizontal seismic force, improve the Seismic Bearing Capacity of structure; In solely the overturning or slip resistance analysis of post supporting bridge plane curve beam bridge is reinforced, also there is the space of application in this device.
This device is easy to make, reliable for effect, in Curved Beam Bridge overhaul, is with a wide range of applications, and obtains good economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is that anti-creep of the present invention moves stopping means sectional elevation.
Fig. 2 is that anti-creep of the present invention moves stopping means flat sectional drawing.
Fig. 3 is that anti-creep of the present invention moves stopping means side view.
Fig. 4 is that anti-creep of the present invention moves stopping means connection layout.
Fig. 5 is the upward view of Fig. 4.
Fig. 6 is the right view of Fig. 4.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Referring to Fig. 1,2,3, plane curve beam bridge anti-creep moves stopping means and comprises: upper anchor plate (1), the steel plate of putting more energy into (2), spacing steel plate (3), pier stud connect anchor plate (4), inner side steel plate (5), medial roof steel plate (6), sideslip motion block (7), outside steel plate (8), top, outside steel plate (9), outside slip motion block (10), side junction plate (11), corrosion resistant plate and tetrafluoro slide plate slides friction pair (12), dust cover (13), inner side steel plate high-strength bolt (14), side steel plate high-strength bolt (15) and top steel plate bolt (16); The upper anchor plate (1) that horizontal direction arranges forms overallly with being positioned at spacing steel plate (3) that the steel plate of putting more energy into (2) of spacing steel plate (3) both sides, top and vertical direction arrange by welding, upper anchor plate (1) is bolted and is installed on girder bottom surface; Pier stud connects anchor plate (4) and is welded to connect with pier stud top encased steel plate; Inner side steel plate (5) is connected anchor plate (4) by high-strength bolt (14) and connects with pier stud; Outside steel plate (8) is connected with inner side steel plate (5) bolt with high-strength bolt (15) by side junction plate (11); Sideslip motion block (7), outside slip motion block (10) are positioned over respectively on L shaped inner side steel plate (5) and L shaped outside steel plate (8), and the one side that sliding shoe (7), (10) contact with spacing steel plate (3) is plane, and another side is cambered surface; Top, medial and lateral steel plate (6), (9) are placed in medial and lateral slide block (7), (10) above, and fix with top steel, crab bolt (16) together forms with L shaped medial and lateral steel plate (5), (10) cavity of protecting medial and lateral slide blocks (7), (10); Spacing steel plate (3) inserts between medial and lateral steel plate (5), (8) and medial and lateral sliding shoe (7), (10) of limit assembly; Described sliding shoe (7), (10) all arrange corrosion resistant plate and tetrafluoro slide plate slides friction pair (12) with each contact surface of medial and lateral steel plate (5), (8), spacing steel plate (3).Anti-creep moves stopping means by assembled connection, can meet can check, easily maintenance, can keep in repair, removable requirement.This installation weight is lighter, little on the impact of pier stud supporting capacity.
Anti-creep moves stopping means connection layout referring to Fig. 4,5,6.Described each parts all adopt general steel plate or the steel plate member through simple processing, be connected to welding or bolt and connect between member, make simple and convenient assembly quick, are easy to batch production, can install by modularization making.
The upper graduated scale of installing of steel plate inside limit assembly (5) or outside steel plate (8), can directly read bridge construction longitudinal or tangential displacement value under temperature action.
Pier stud junction plate (4) is welded to connect with pier stud top outsourcing strengthening steel slab, and high-strength bolt (14), by inner side steel plate (5) and pier stud junction plate (4) bolt, is installed sideslip motion block (7); High-strength bolt (15) is connected side junction plate (11) with outside steel plate (8) and inner side steel plate (5) bolt; Outside slip motion block (10) is installed, is connected medial roof steel plate (6) and top, outside steel plate (9) by bolt (16); Each contact surface is equipped with corrosion resistant plate and tetrafluoro slide plate slides friction pair (12), dust cover (13) is finally installed, referring to Fig. 3.
This device is installed on the inside and outside both sides of pier stud top direction across bridge, and the spacing steel plate in top is connected with girder, and bottom limit assembly is connected with pier stud, spacing steel plate inserts between inside and outside steel plate and inside and outside sliding shoe, sliding shoe one side is plane, and another side is cambered surface, and each contact surface arranges sliding friction pair; Stopping means can reach constraint Normal Displacement, tangentially can be free to slide, and meets plane curve beam body and rotates freely.
Plane curve beam bridge anti-creep moves reserved certain space between the spacing steel plate (3) of stopping means and sideslip motion block (7), outside slip motion block (10), guarantee that structure Normal Displacement under normal temperature action is unrestricted, a restrictive curve beam bridge is because the normal direction that cannot recover under long term is climbed and moved.
The upper anchor plate (1) that plane curve beam bridge anti-creep moves stopping means can be anchored in girder by crab-bolt, at the poor kingpost baseplate place of anchoring condition, can first carry out kingpost baseplate steel-bonded reinforcement, then at the bottom of upper anchor plate (1) is welded in to girder.Lower anchoring pier stud junction plate (4) is welded in pier top anchor ear, should carry out welding after Baogang without the Dun Ding of stirrup.After girder fulcrum place horizontal restrain, can make each pier share bridge construction normal direction seismic forces, increase bridge construction shock resistance.
Plane curve beam bridge anti-creep moves stopping means and is applicable to existence that middle supporting adopts bi-directional movable bearing or fixed bearing and climbs and move plane curve beam bridge disease hidden danger or fixed bearing bearing capacity deficiency, can solve the problem of bridge lateral Seismic Bearing Capacity deficiency in conjunction with pier stud seismic hardening, the overturning or slip resistance analysis that also can be used for only post supporting plane Curved Beam Bridge is reinforced simultaneously.
Plane curve beam bridge anti-creep moves stopping means dust cover (13) is set, the inner sliding friction pair of protection stopping means, the durability of increase stopping means.The upper graduated scale of installing of inner side steel plate (5) or outside steel plate (8) can directly read bridge construction longitudinal or tangential displacement value under temperature action in bridge maintenance or Daily Round Check.
Plane curve beam bridge anti-creep moves stopping means, and outward appearance is merrily and lightheartedly attractive in appearance, can Fast Installation, and device construction is less for traffic impact under bridge, does not affect traffic on bridge.
Embodiment mono-
A plane curve beam in the overpass bridge of W. 2nd Ring Road, Beijing, upper structure type is cast-in-situ prestressed concrete continuous box girder, sweep 220m, is arranged as across footpath: 31.415+31.415+26.75+24.79+28.42+29.36+21.14+19.31 rice, long 212.6 meters of connection.Bridge substructure abutment pier adopts the bicylindrical bent cap on drilled pile cushion cap foundation, and middle pier is bicylindrical concrete pier or the single cylindrical steel tube concrete knoll on drilled pile cushion cap foundation, pier stud diameter D=1.3～2.0 meter; In this bridge, supporting arranges 2 fixed piers, and all the other each fulcrums are all arranged as bi-directional movable bearing, arrange tetrafluoro sliding bearing on abutment pier bent cap.
According to existing bridge design standard, this bridge is carried out to the Displacement Analysis under spatial model, Curved Beam Bridge at prestressing force, shrink, creep, under the effect of temperature and centrifugal force, entirety produces to the displacement in curve outside, due to factors such as friction of bearing, the effect that makes girder produce contrary displacement is difficult to make its displacement to recover, along with the growth of time, displacement meeting is increasing; This kind " climbed and moved " disease and make girder lateral displacement approach bi-directional movable bearing lateral displacement limiting value; " climb and move " disease continuation development and will have a strong impact on bearing supporting capacity, very person can produce and topple beam danger.Because girder beam body Normal Displacement under normal temperature effect is less, can be inside and outside middle supporting place pier stud top both sides add plane curve beam bridge anti-creep along girder normal direction and move stopping means, by constraint fulcrum place girder lateral displacement, prevent that girder from further climbing and moving.
In engineering construction, plane curve beam bridge anti-creep moves the upper anchor plate of stopping means, spacing stiffener and spacing steel plate at member factory prefabricated welding assembly in batches, all the other members precasting yard processing examination assembled qualified after, transport scene, all steel members adopt galvanized anticorrosive to guarantee endurance quality in member factory.In Practical Project, the middle Dun Dun top encased steel plate of bi-directional movable bearing, the pre-buried anchor bolt in girder bottom are being set, are applying small-sized jacking equipment, artificial cooperation carry out the installation of stopping means branch.When on-the-spot installation, first lower anchoring limiting plate is welded in to pier stud design attitude, all the other limit assembly members with bolts successively insert preformed hole position by spacing upper anchorage element steel plate simultaneously, go up the most at last anchor plate and are fixed on design attitude at the bottom of girder beam.
Anti-creep moves all construction contents of stopping means all to carry out under bridge, and construction is simple, and operation side is little, and the duration is short, under bridge and bridge deck traffic substantially without affecting.
This device operative constraint the lateral displacement of girder, its structure is light and handy, total tune is attractive in appearance; At the bottom of column, reinforce, this device has solved bridge lateral anti-seismic problem simultaneously.
Claims (5)
1. plane curve beam bridge anti-creep moves a stopping means, and it comprises: upper anchor plate (1), the steel plate of putting more energy into (2), spacing steel plate (3), pier stud connect anchor plate (4), inner side steel plate (5), medial roof steel plate (6), sideslip motion block (7), outside steel plate (8), top, outside steel plate (9), outside slip motion block (10), side junction plate (11), corrosion resistant plate and tetrafluoro slide plate slides friction pair (12), dust cover (13), inner side steel plate high-strength bolt (14), side steel plate high-strength bolt (15) and top steel plate bolt (16); It is characterized in that: the upper anchor plate (1) that horizontal direction arranges forms overallly with being positioned at spacing steel plate (3) that the steel plate of putting more energy into (2) of spacing steel plate (3) both sides, top and vertical direction arrange by welding, upper anchor plate (1) is bolted and is installed on girder bottom surface; Pier stud connects anchor plate (4) and is welded to connect with pier stud top encased steel plate; Inner side steel plate (5) is connected anchor plate (4) by high-strength bolt (14) and connects with pier stud; Outside steel plate (8) is connected with inner side steel plate (5) bolt with high-strength bolt (15) by side junction plate (11); Sideslip motion block (7), outside slip motion block (10) are positioned over respectively on L shaped inner side steel plate (5) and L shaped outside steel plate (8), and the one side that sliding shoe (7), (10) contact with spacing steel plate (3) is plane, and another side is cambered surface; Top, medial and lateral steel plate (6), (9) are placed in medial and lateral slide block (7), (10) above, and fix with top steel, crab bolt (16) together forms with L shaped medial and lateral steel plate (5), (10) cavity of protecting medial and lateral slide blocks (7), (10); Spacing steel plate (3) inserts between medial and lateral steel plate (5), (8) and medial and lateral sliding shoe (7), (10) of limit assembly; Described sliding shoe (7), (10) all arrange corrosion resistant plate and tetrafluoro slide plate slides friction pair (12) with each contact surface of medial and lateral steel plate (5), (8), spacing steel plate (3).
2. move stopping means according to a kind of plane curve beam bridge anti-creep described in claims 1, it is characterized in that: reserved certain space between sideslip motion block (7) in described spacing steel plate (3) and bottom limit assembly, outside slip motion block (10).
3. move stopping means according to a kind of plane curve beam bridge anti-creep described in claims 1, it is characterized in that: upper anchor plate (1) can directly be anchored in girder bottom surface by crab-bolt; At the poor kingpost baseplate place of anchoring condition, at kingpost baseplate steel-bonded reinforcement, then at the bottom of upper anchor plate (1) is welded in to girder; Lower anchoring pier stud junction plate (4) is welded in the Dun Ding of stirrup.
4. move stopping means according to a kind of plane curve beam bridge anti-creep described in claims 1, it is characterized in that: dust cover (13) is placed in top, medial and lateral steel plate (6), (9) above, fix with top steel equally.
5. move stopping means according to a kind of plane curve beam bridge anti-creep described in claims 1, it is characterized in that: the upper graduated scale of installing of steel plate inside limit assembly (5) or outside steel plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410106659.5A CN103835226B (en) | 2014-03-21 | 2014-03-21 | Plane curve beam bridge anti-creep moves stopping means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410106659.5A CN103835226B (en) | 2014-03-21 | 2014-03-21 | Plane curve beam bridge anti-creep moves stopping means |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103835226A true CN103835226A (en) | 2014-06-04 |
| CN103835226B CN103835226B (en) | 2015-09-30 |
Family
ID=50799093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410106659.5A Active CN103835226B (en) | 2014-03-21 | 2014-03-21 | Plane curve beam bridge anti-creep moves stopping means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103835226B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674646A (en) * | 2015-02-06 | 2015-06-03 | 彭晶蓉 | Shock absorption structure of bridge and manufacturing method thereof |
| CN104878686A (en) * | 2015-06-04 | 2015-09-02 | 北京市市政工程研究院 | Device for preventing curved beam bridge from horizontal displacement and construction method thereof |
| CN105908619A (en) * | 2016-06-29 | 2016-08-31 | 湖南科技大学 | Self-starting displacement type adjustable hydraulic suction energy dissipater |
| CN105951581A (en) * | 2016-06-29 | 2016-09-21 | 湖南科技大学 | Self-opening velocity type hydraulic energy absorption and consumption device |
| CN107747274A (en) * | 2017-11-16 | 2018-03-02 | 大连理工大学 | A kind of curved beam bridges stopping means and method |
| CN112985627A (en) * | 2021-02-08 | 2021-06-18 | 中铁工程设计咨询集团有限公司 | Temperature displacement scale for determining pre-deviation of bridge bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003027427A (en) * | 2001-07-13 | 2003-01-29 | Ps Mitsubishi Construction Co Ltd | Method for constructing elevated railway bridge |
| JP2007327180A (en) * | 2006-06-06 | 2007-12-20 | Sho Bond Constr Co Ltd | Bridge falling preventive apparatus and installation method for bridge falling preventive apparatus |
| CN102787555A (en) * | 2012-09-03 | 2012-11-21 | 燕斌 | Limiting slide plate support seat |
| CN103147389A (en) * | 2013-03-15 | 2013-06-12 | 天津市市政工程设计研究院 | Novel bridge protecting facility |
| CN203393605U (en) * | 2013-06-05 | 2014-01-15 | 西安中交土木科技有限公司 | Variable-curvature self-adaptive friction pendulum seismic mitigation and absorption support |
| CN203755139U (en) * | 2014-03-21 | 2014-08-06 | 北京市市政工程设计研究总院有限公司 | Creeping-prevention limiting device of planar curved bridge |
-
2014
- 2014-03-21 CN CN201410106659.5A patent/CN103835226B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003027427A (en) * | 2001-07-13 | 2003-01-29 | Ps Mitsubishi Construction Co Ltd | Method for constructing elevated railway bridge |
| JP2007327180A (en) * | 2006-06-06 | 2007-12-20 | Sho Bond Constr Co Ltd | Bridge falling preventive apparatus and installation method for bridge falling preventive apparatus |
| CN102787555A (en) * | 2012-09-03 | 2012-11-21 | 燕斌 | Limiting slide plate support seat |
| CN103147389A (en) * | 2013-03-15 | 2013-06-12 | 天津市市政工程设计研究院 | Novel bridge protecting facility |
| CN203393605U (en) * | 2013-06-05 | 2014-01-15 | 西安中交土木科技有限公司 | Variable-curvature self-adaptive friction pendulum seismic mitigation and absorption support |
| CN203755139U (en) * | 2014-03-21 | 2014-08-06 | 北京市市政工程设计研究总院有限公司 | Creeping-prevention limiting device of planar curved bridge |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104674646A (en) * | 2015-02-06 | 2015-06-03 | 彭晶蓉 | Shock absorption structure of bridge and manufacturing method thereof |
| CN104878686A (en) * | 2015-06-04 | 2015-09-02 | 北京市市政工程研究院 | Device for preventing curved beam bridge from horizontal displacement and construction method thereof |
| CN105908619A (en) * | 2016-06-29 | 2016-08-31 | 湖南科技大学 | Self-starting displacement type adjustable hydraulic suction energy dissipater |
| CN105951581A (en) * | 2016-06-29 | 2016-09-21 | 湖南科技大学 | Self-opening velocity type hydraulic energy absorption and consumption device |
| CN107747274A (en) * | 2017-11-16 | 2018-03-02 | 大连理工大学 | A kind of curved beam bridges stopping means and method |
| CN112985627A (en) * | 2021-02-08 | 2021-06-18 | 中铁工程设计咨询集团有限公司 | Temperature displacement scale for determining pre-deviation of bridge bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103835226B (en) | 2015-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103835226B (en) | Plane curve beam bridge anti-creep moves stopping means | |
| Chen et al. | Concrete-filled steel tubular arch bridges | |
| CN109235285B (en) | Cantilever pouring system and construction method for reinforced concrete arch bridge of large-span railway | |
| CN203498760U (en) | Guiding device for large-span box girder pushing | |
| CN102535348A (en) | Method for tensioning stayed cables of hinged tower cable stayed bridge | |
| CN109577212A (en) | A kind of pretensioned prestressing Precasting Pedestal Construction method | |
| CN104878686A (en) | Device for preventing curved beam bridge from horizontal displacement and construction method thereof | |
| CN203755139U (en) | Creeping-prevention limiting device of planar curved bridge | |
| Han et al. | Technical Advances of Temporary Facilities for the Failure Prevention of Large‐Span Cantilever Casting Construction of Mountainous Concrete Box‐Type Arch Bridges | |
| CN104278635A (en) | Steering method of ground anchor type suspension bridge catwalk load bearing cable | |
| Man-Chung et al. | Replacing the east bay bridge | |
| CN205839575U (en) | A kind of swivel bridges supporting apparatus | |
| Yu et al. | Yachihe Bridge, China: engineering the world’s longest cable-stayed steel truss | |
| CN204982680U (en) | Posttension precast prestressed concrete box beam installs deviator controlling means in advance | |
| Cheng et al. | Nanning butterfly tied arch bridge over the Yong river in China | |
| CN106120531A (en) | New steel structure shelter bridge base structure and construction method thereof | |
| CN111118978B (en) | Straddle type monorail stool type pillow and straddle type monorail traffic system | |
| Seim | Why bridges have failed throughout history | |
| MORATTI et al. | A cable-stayed footbridge in Bormio (Italy) | |
| CN106120541A (en) | Novel gallery bridge concrete foundation structure and construction method thereof | |
| Nader et al. | One-of-a-Kind Design | |
| Martí Triay | Estudio del procedimiento constructivo de un puente atirantado | |
| Liu et al. | Structural performance of a hybrid girder cable-stayed bridge during rotation construction | |
| Cruzado | Assessment of a precast prestressed segmental concrete rail transit guideway design | |
| Du Plessis | Design and construction of the Erasmusrand Pedestrian Bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |