| Patents for E01D 22 - Methods or apparatus for repairing or strengthening existing bridges (1,532) |
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| 04/03/2013 | CN103015330A Steel hoop support system of jacking bridge |
| 04/03/2013 | CN103015329A I-section steel girder reinforcement small box girder structure |
| 04/03/2013 | CN103015328A Continuous splicing construction method of pier column for jacking broken beam of bridge |
| 04/03/2013 | CN103015308A Collision-prevention device for bridge crossgirder |
| 04/03/2013 | CN103011741A Rustproof repairing method for reinforced concrete structure |
| 03/27/2013 | CN202830789U Beam moving work platform |
| 03/27/2013 | CN202830788U Supporting structure with beam fulcrum below bridge cantilever |
| 03/27/2013 | CN202830787U Duplex beam for bridge construction |
| 03/27/2013 | CN202830786U Nine-hole type bridge handguard made of composite plastic |
| 03/27/2013 | CN102995572A Connecting method and device for bridge-lifted thin-wall hollow pier and original pier column |
| 03/27/2013 | CN102995571A Method for prepressing single large-tonnage temporary steel pipe support and then resisting beam bottom during dismantling bridge beam body, and device thereof |
| 03/20/2013 | CN102979214A 硅流体速度锁定器 Silicone fluid velocity latch |
| 03/20/2013 | CN102979042A Bridge pier connecting device for bridge lifting process and construction method for bridge pier connecting device |
| 03/13/2013 | CN202787101U Bridge girder simple and easy detection work platform |
| 03/13/2013 | CN202787100U Trimming die for lateral stop blocks of railway box girders |
| 03/13/2013 | CN202787099U Reinforced concrete cap beam external prestressing structure |
| 03/13/2013 | CN202787098U Maintenance and reinforcement structure for aged concrete construction |
| 03/13/2013 | CN202787076U Suspension bridge main cable dehumidifying corrosion prevention system with protection via dry air and circular winding wires |
| 03/13/2013 | CN202787050U Novel prestress carbon fiber sheet anchor device |
| 03/13/2013 | CN102966122A Method for controlling deformation of bridge during construction of tunnel close to foundation of bridge |
| 03/13/2013 | CN102966051A Deviation-rectifying and resetting device for bridge pier column |
| 03/13/2013 | CN102966050A Longitudinal connection method for steel-concrete combined beam and existing reinforced concrete T beam |
| 03/13/2013 | CN102966049A Method for treating vertical crack of reinforced concrete bridge abutment |
| 03/13/2013 | CN102966048A Reinforcing method for increasing bearing force of spandrel-filled arch bridge |
| 03/13/2013 | CN102966047A Reinforcing device for preventing forward tilting of light-weight abutment abutment |
| 03/13/2013 | CN102966046A Abutment body extraversion reinforcement method for U-shaped bridge abutment |
| 03/13/2013 | CN102966045A Bridge supporting replacement synchronous ejecting device |
| 03/06/2013 | CN202766984U Jacking frame for highway bridge |
| 03/06/2013 | CN202766967U Bridge adjustment support |
| 03/06/2013 | CN102953348A Correcting and resetting method for pier stud of bridge |
| 03/06/2013 | CN102953347A Design internal stress analyzing method for hinged hollow plank girder bridge with reinforced transverse prestress |
| 03/06/2013 | CN102953346A Reinforcement device for preventing vertical crack of root part of bridge cantilever pier cap |
| 03/06/2013 | CN102953345A Bridge maintenance method |
| 03/06/2013 | CN102286944B Device for replacing stay cable of cable-stayed bridge |
| 03/06/2013 | CN102286943B Suspension bridge sling replacing device |
| 03/06/2013 | CN102286942B Device for replacing suspenders of tied arch bridge |
| 02/27/2013 | CN202755321U Walking beam bottom working platform for strengthening cable-stayed bridge concrete box beam |
| 02/27/2013 | CN202755320U Support seat cushion block special for jacking and heightening of bridge |
| 02/27/2013 | CN202755306U Working vehicle for main cable of suspension bridge |
| 02/27/2013 | CN202754705U G-shaped lifting tool for bridge construction lifting |
| 02/27/2013 | CN102943431A Cast-in-place reinforced concrete plate and fabricated reinforced concrete plate splicing bridge and method |
| 02/20/2013 | CN102936965A Method for strengthening reinforced concrete beam through distributed external prestressing cables |
| 02/13/2013 | CN202730646U Bridge maintenance car with articulated type hanging bracket and capable of avoiding bridge-side barriers |
| 02/13/2013 | CN102926333A External prestressed reinforcement structure for old bridge and construction method thereof |
| 02/13/2013 | CN102926332A Derrick arrangement of tools for replacing steel arch bridge suspender and replacing method thereof |
| 02/13/2013 | CN102926331A Concrete hollow slab bridge strengthened by transverse integral clamping connection |
| 02/13/2013 | CN102268859B Method for reinforcing concrete flexural member combining pre-stressing pre-tensioning method and post-tensioning method |
| 02/06/2013 | CN202718043U Auxiliary beam lifting machine |
| 02/06/2013 | CN102912741A Method for reinforcing highway bridge transformed from simple-supported girder into continuous girder |
| 02/06/2013 | CN102912740A Reinforcing method for road simply-supported girder bridge |
| 02/06/2013 | CN102912739A Supporting structure for temporary beam pivot below existing bridge cantilever plate |
| 01/30/2013 | CN202705932U T-beam reinforced hanger frame structure |
| 01/30/2013 | CN202705895U Truss lattice reinforcing support device for concrete bridge deck slab |
| 01/30/2013 | CN102900026A Construction method for protecting bridge surface by reinforcing elevated bridge foundation at tunnel excavation section |
| 01/30/2013 | CN102900025A Suspension working platform for bridge detection |
| 01/23/2013 | CN202688906U Support for vertically supporting circular curve ramp bridge girder |
| 01/23/2013 | CN202688905U Seal structure of gap between steel sheet and concrete in bonding steel pouring construction |
| 01/23/2013 | CN202688904U Small box girder steel plate adhesive pressurization device |
| 01/23/2013 | CN202688879U Arch steel tower coating platform running with arch |
| 01/23/2013 | CN202683421U Adhesive injection pressure tank for perfusion pasting steel plate construction |
| 01/16/2013 | CN202672048U Fiber reinforce plastic (FRP) cloth anchoring system consolidating reinforced concrete girder |
| 01/16/2013 | CN202672033U Novel bridge maintenance car |
| 01/10/2013 | WO2013005677A1 Repairing material for cracks accompanied with water leakage in concrete structure and process for repairing said cracks using said repairing material |
| 01/09/2013 | CN102863199A Preparation of geopolymer inorganic gelled material combining fire insulating and protecting functions and application |
| 01/02/2013 | CN202644415U Annular bracket type column embrace beam used for jacking bridge |
| 01/02/2013 | CN202644414U Floating air bag type steel ladder rack |
| 01/02/2013 | CN202644413U Reinforced concrete bridge bar planting reinforcement structure |
| 01/02/2013 | CN202644396U Overhauling system of solid cable bent tower of cable-stayed bridge |
| 01/02/2013 | CN102852076A Bush hammer |
| 12/26/2012 | CN202626835U Intelligent maintenance robot for bridge |
| 12/26/2012 | CN102838334A Concrete member mending agent, preparation method and construction method |
| 12/26/2012 | CN101676572B Directly-connected minitype hydraulic-pump combined control system and control device thereof |
| 12/12/2012 | CN202595640U Anti-dumping reinforced tension device for bridge |
| 12/12/2012 | CN202595639U Steel clip hoop support system for jacking bridge |
| 12/12/2012 | CN202595638U Rapid reinforcing structure system of bridge and pile combining part |
| 12/12/2012 | CN202595637U Large-tonnage steel hoop supporting system for bridge jacking |
| 12/12/2012 | CN202595636U Prestressed capping beam counterforce platform system containing inner and outer stiffening steel plates |
| 12/12/2012 | CN202595635U Prestress small capping beam supporting system for jacking of bridge |
| 12/12/2012 | CN202595634U Limiting mechanism |
| 12/12/2012 | CN202595622U Bridge overhauling device |
| 12/12/2012 | CN202595617U Concrete capping beam counterforce platform system for jacking bridge |
| 12/12/2012 | CN102817328A Method for heightening support |
| 12/12/2012 | CN102121316B Construction method for reinforcing circular structures by pre-tensioned high-strength fiber cloth |
| 12/05/2012 | CN202577166U Steel plate sticking pressurization device |
| 12/05/2012 | CN202577165U Leak-proof anti-rot device used at root of bridge crash barrier |
| 12/05/2012 | CN102808384A Concrete reinforced structure adopting assembled FRP (Fiber Reinforced Plastic)-wrapped steel pipe |
| 12/05/2012 | CN102808383A Construction process for back-sloping and jacking curved bridge |
| 11/28/2012 | CN202559259U Long-span continuous beam strengthening construction device |
| 11/28/2012 | CN202559218U Head of rubber strip gas welding torch for crack pouring of pavements |
| 11/28/2012 | CN102797219A Arch bridge suspender convenient to replace and method for replacing the same |
| 11/21/2012 | CN102787562A Continuous advancing type pneumatic cable maintenance robot |
| 11/14/2012 | CN202530384U Prestressed anchor |
| 11/14/2012 | CN202530369U Anti-collision device used for bridge |
| 11/14/2012 | CN102776843A Slippage equipment and slippage method thereof |
| 11/14/2012 | CN102776842A Comprehensive technique method for reinforcing spandrel wall |
| 11/07/2012 | CN202519591U Movable operation platform |
| 11/07/2012 | CN102767142A Bar planting construction method for widening and reinforcing reinforced concrete |
| 10/31/2012 | CN202509793U Limiting device for jacking of buildings or structures |
| 10/31/2012 | CN202509416U Slip platform for replacing railway passenger dedicated line supporting seat |
| 10/31/2012 | CN202509415U Fixed airbag type steel ladder assembly |