Bridge Bearing Replacement Procedure -- Procedures For Maintenance And Rehabilitation Of BridgesSome Of Manual modification of bridge bearings - Tutorials - CSISupport and using rust protective chemical: If old bearing pedestal is to be fixed up, the cracked surface shall be thoroughly cleaned by wire brush to eliminate loose rust particles then exposed support shall be cleaned up of all rust and millscale by mechanical wire brush, to elimination of oil or oily residues and also the loss of support shall be compensated by connecting of new reinforcement.The reinforcement's rust, if any, will be removed by using rust elimination, chemical (Reebaklens RR of Fosroc or equivalent item of BASF or Sika) and cleansing of support with a mechanical wire brush. After that applying one coat of zinc rich covering of Nitozinc Guide of Fosroc or comparable item of BASF or Sika).FREYSSINET SUPPLY CE MARKED BEARINGS FOR THE NEW WALTON BRIDGE 18 November 2014 - FreyssinetUKMicro-concrete: Flowable mix of 1part by weight of Micro-concrete power, 1 part by weight of grit/Aggregate (approximately 10mm) and required water required for workability. The mix shall be blended thoroughly by mechanical stirred for about 3 mins. D. Using: After supplying Answers Shown Here shuttering, the flowable mix should be poured and there is no need for compaction as it is flowable and self compacting mix.Some Known Details About Retrofit Measures for Superstructures Bearings - IN.govCuring: The curing of pedestal shall be provided for a minimum of 7 days. Maintenance of bridge bearings: 1. Surrounding of all bearings will be cleared of silt and debris. 2. In case of POT-PTFE bearings, I have discovered in some cases that momentary clamp did not disconnect after setup of the bearing.So after setup of POT-PTFE bearings, You need to take note of disconnect the short-term clamp. 3. In case of metal bearings, dirt, rust and rust are common solutions due to weather impact. For Bearing rust elimination and Cleaning/repainting: The following stepwise treatment is to be followed: A. The location around the bearings and their pedestals will be cleared of all debris, greenery, dust, etc.B. Fresh graphite grease as approved by the Engineer will be used to the surface areas which are siding, rotating or moving due to motion in bearings. C. All other surface areas of the metallic bearing will be cleaned up of all rusts, corrosion and a coat of anticorrosive oil paint used. Click the following links to find out more: # Bridge Bearing Replacement Procedure, # Bridge Bearing Installation Treatment #Procedure For Upkeep And Rehab Of Bridges, #Bridge Repairing, #Bridge Rehab, #Bridge Maintenance, #Bridge Repairing and Rehab, #Bridge Conditioning,, #Road and Bridge Design.
