| Patents for E01D 22 - Methods or apparatus for repairing or strengthening existing bridges (1,532) |
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| 07/08/2009 | CN101476298A Integral bridge descending construction method and construction equipment |
| 06/24/2009 | CN101463590A External prestress steel structure and reinforcing means for reinforcing old bridge |
| 06/16/2009 | US7546656 Method of installing prefabricated, segment concrete filled tube members |
| 06/10/2009 | CN201254696Y Device for enhancing antivibration capability of bridge |
| 06/10/2009 | CN201254695Y Pulling-connecting device for enhancing antivibration capability of bridge |
| 06/10/2009 | CN101451345A Herringbone diagonal brace anchoring structure of concrete main beam |
| 06/10/2009 | CN101451344A Integrated steel girder anchoring structure of concrete main beam |
| 06/10/2009 | CN100497835C Method for replacing bridge support with on bridge lifting method and lifting device thereof |
| 06/10/2009 | CN100497834C Construction equipment for integral roof-holding highway bridge top structure |
| 06/09/2009 | CA2493141C Improvement in load supporting structure |
| 06/03/2009 | CN201250387Y Bridge strengthening construction device |
| 06/03/2009 | CN101446077A Subsection girder anchor structure of a concrete girder |
| 06/03/2009 | CN100494576C Method for setting up box-type bridge body maintain engineering box outer hanging falsework |
| 05/27/2009 | CN101440598A Steel box-concrete combined box plate arch structure and construction method thereof |
| 05/20/2009 | CN101435185A Case type closed reinforcing method of reinforced concrete ribbed arch bridge |
| 05/20/2009 | CN101435184A Method for actively reinforcing wide-span concrete case beam bridge web |
| 05/20/2009 | CN101435183A Method and apparatus for actively reinforcing wide-span concrete case beam bridge web |
| 05/13/2009 | CN201236320Y Apparatus for bridge crossing of heavy vehicle |
| 05/13/2009 | CN201236319Y Apparatus for maintaining inclined molding edge joist dual-purpose bridge for road and railway |
| 05/06/2009 | CN201232169Y Deep water pier strengthening device |
| 05/06/2009 | CN101424075A Concrete box girder bridge widening and reinforced structure and construction method thereof |
| 04/28/2009 | US7524387 Method of reinforcing an existing metal structure, method of reinforcing pipes and method of addition or spur lines to pipelines |
| 04/22/2009 | CN101413252A Steel plate fixing device and method for pasting steel plate construction by coating and scraping method |
| 04/15/2009 | CN100478523C Prestressed carbon fibre cloth stretching bed seat |
| 04/01/2009 | CN101397774A Method for improving cable service life by vacuum pumping and nitrogen injection after construction of stay cable |
| 04/01/2009 | CN101397773A Method for large-range adjusting stay cable force or suspender force |
| 03/18/2009 | CN101387114A Active underpinning structure of hyperstation foot stall or pile foundation and construction method thereof |
| 03/04/2009 | CN101377073A Preposition oblique post apparatus for alleviating bridge abutment base dredging and erosion |
| 02/26/2009 | WO2009024629A1 High-pressure polymer injection pump |
| 02/25/2009 | CN100464026C Girder-exchange construction method for existing railway bridge by successively incremeantal launching framework process |
| 02/18/2009 | CN101368374A Pretensioning method for converting old simply supported beam bridge into continuous bridge |
| 02/04/2009 | CN101357523A Production method of crack patching material of multi-layer structure |
| 01/29/2009 | US20090025856 Method and Device for Internal Refurbishment of Corroded Hollow Sections |
| 01/29/2009 | US20090025330 Enhanced girder system |
| 01/28/2009 | CN100455726C Method for reinforcing integral cast-in-situ concrete beam bridge and slab bridge by prestress |
| 01/21/2009 | CN201183936Y Highway bridge rotary type temporary support saddle |
| 01/15/2009 | US20090013482 Method of reinforcing a bridge |
| 01/14/2009 | CN101343861A Construction method for replacing old frame bridge by new frame bridge in existing railway lines |
| 01/07/2009 | EP2011922A2 Reinforced steal bridge |
| 12/24/2008 | CN201169752Y Steel structure anchoring steering system of external prestress for reinforcing old bridge |
| 12/17/2008 | CN201165637Y Apparatus for rectifying single column bridge pier |
| 12/17/2008 | CN201165636Y Crawl type cable robot clamp device |
| 12/10/2008 | EP2000592A1 Method for arranging/removing a joint and device for covering said joint |
| 12/10/2008 | CN101319489A Pre-support guiding beam shifting method |
| 12/04/2008 | DE102007025159A1 Method for exchanging a road joint transition in road bridges comprises removing a road covering above a tie-bar box, producing a defined opening in the exposed box, carrying out exchange work on the transition and further processing |
| 11/26/2008 | CN101311415A On-site planting technology for concrete structural crack bionic monitoring net |
| 11/19/2008 | EP1991739A1 Method and device for the internal repair of corroded hollow profiles |
| 11/12/2008 | CN100432356C Steel reinforced concrete rectangular column reinforcing method |
| 11/11/2008 | US7448103 Enhanced girder system |
| 11/06/2008 | WO2008132277A1 Scaffold arrangement and method for repairing the edge structure of a concrete bridge |
| 11/05/2008 | CN201144397Y Suspension work platform for bridge maintenance |
| 11/05/2008 | CN201144396Y Deck tied steel anchor box |
| 11/05/2008 | CN201144393Y Replaceable prestressed device for suspension bridge anchor |
| 11/05/2008 | CN201144392Y Mobile detection and maintenance device for bridge structure |
| 11/05/2008 | CN101298757A Method for changing old simple supported beam bridge into continuous beam bridge |
| 11/05/2008 | CN101298756A Technique for widening concrete box girder without increasing foot stall steel component |
| 10/29/2008 | CN101294447A Buildings pile underpinning method |
| 10/29/2008 | CN101294371A Method for mending dangerous bridge |
| 10/22/2008 | CN101289837A Process for reinforcing double arch bridge by replacing ridged main arch ring section with box section |
| 10/22/2008 | CN101289835A Process for rebuilding double arch bridge by replacing arch style construction on arch with continuous slabs |
| 10/15/2008 | CN101285345A Repairing method for cast-in-situ crack between box beam and face by wide span post-tensioning method |
| 10/14/2008 | CA2314218C Tension and compression members for erecting structures |
| 10/08/2008 | CN101280550A Method for top lifting and heightening frame bridge |
| 10/01/2008 | CN101275408A High durability inorganic gel material surface layer and construction method thereof |
| 10/01/2008 | CN101275386A Jacking force-adjustable prestressed resilient support structure and construction method thereof |
| 08/27/2008 | CN101250857A Method for continuous processing T beam bridge floor |
| 08/20/2008 | CN201103103Y Broken safety bridge inhaul cable |
| 08/20/2008 | CN101245668A Construction method for two-side reinforcing engineering structure |
| 08/06/2008 | CN201095724Y Supporting device for bridge maintenance workbench |
| 08/06/2008 | CN101235673A Method for rehabilitating concrete surface injury using high-strength abrasion-proof basalt fibre mortar |
| 07/30/2008 | CN101230563A Method for replacing bridge bearing without traffic interruption and special device thereof |
| 07/30/2008 | CN101230562A External prestress strengthening method for prestressed concrete box-beam bridge |
| 07/23/2008 | CN101225641A Method for withdrawing old hanger rods while replacing hanger rods of reinforced concrete tied arch bridge |
| 07/16/2008 | CN100402754C Strengthening structure of truss bridge or arch bridge |
| 07/09/2008 | CN101215824A External transverse tension prestressing force device for regulating and controlling large-span continuous steel bridge post deflection |
| 07/09/2008 | CN101215823A Method for replacing bridge basin-type rubber support |
| 07/09/2008 | CN101215822A Method and device for anchoring changeable prestressing force of suspension bridge |
| 07/09/2008 | CN101215821A Device for detecting and maintaining mobile bridge structure |
| 06/18/2008 | CN201074302Y Adjustable simple bridge spot inspection apparatus |
| 06/18/2008 | CN101200881A Girder-exchange construction method for existing railway bridge by successively incremeantal launching framework process |
| 06/04/2008 | CN101191324A Exchanging of plate-type rubber supporting on highway bridge abutment by using template positioning method |
| 06/04/2008 | CN101191323A Self-adapting arranging device for ultrasonic sensor |
| 05/14/2008 | CN101177934A Concrete reinforcement |
| 05/07/2008 | CN101173505A Construction method for chamber type bridge maintaining external pre-stress |
| 05/07/2008 | CN101173504A Method for improving bearing capacity of chamber type bridge |
| 04/30/2008 | CN201053106Y Bridge detection and maintenance device |
| 04/30/2008 | CN101168957A Bridge brow plate emptying shallow layer grouting reinforcement technique |
| 04/29/2008 | US7363671 Method of moving a component underneath a bridge assembly with a cable |
| 04/24/2008 | DE102006047563A1 Fully closed bridge cable changing method, involves releasing damaged cable, and clamping new cable upon reference force after assembly of upper cable head in pylon and after mounting lower cable head |
| 04/02/2008 | EP1905923A2 Tie rod and assembly for reinforcing existing construction elements against punching with such a tie rod |
| 03/26/2008 | CN101148862A Pier body cap cracking body outside stress reinforcing method |
| 03/19/2008 | CN101144265A Mass concrete structure deep pore reinforced construction method |
| 02/27/2008 | CN201027386Y Pre-stress carbon fiber cloth stretching cabinet leg |
| 02/20/2008 | CN201024680Y Prestressed anchorage |
| 02/13/2008 | EP1887139A1 Method of removing a tight cable, associated system and devices |
| 02/13/2008 | CN101122177A Usage method of prestressed thin fiber board in concrete architecture |
| 02/13/2008 | CN101122118A Method for reinforcing and modifying through steel truss bridge |
| 02/13/2008 | CN101122117A Special-purpose robot for bridge beam bridge plate opposite sides construction |
| 02/13/2008 | CN101121812A Epoxy resin base fast repairing material and preparation method thereof |
| 02/02/2008 | CA2593867A1 Method for disassembling a tensioned cable, related system and devices |