Wednesday 12 August 2009

Bridge Bearing Layout




The bearing has following main two functions
  • Transfer superstructure load ( Vertical / Transverse ) to substructure
  • Allow thermal movement
For bridge span more than 40m POT bearings/ POT PTFE bearings are used.
Figure 1 shows bridge bearing layout for simply supported span


Figure 2 shows bridge bearing layout for two span continuous bridge


Figure 3 shows bridge bearing layout for four span continuous bridge







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