Elastomeric bridge bearing
An elastomeric bridge bearing is a commonly used modern bridge bearing. There are several different similar types of bridge bearings that include neoprene bearing pads, neoprene bridge bearings, laminated elastomeric bearings and seismic isolators, which are all generally referred to as bridge bearing pads in the construction industry.
They are designed and manufactured based on standards and specifications of such organizations as British Standard, AASHTO, and European Norms En 1337.[1] Internal structure consists of a sandwich of mild steel shims and rubber moulded as one unit. Elastomeric bearing pads compress on vertical load and accommodate horizontal rotation and provide lateral shear movement. Elastomeric bearing pads are the most economical solution used in construction of large span bridges and buildings.[2][3]
References
- ^ Eggert, Helmut; Kauschke, Wolfgang (2002). Structural Bearings. John Wiley & Sons. p. 200. ISBN 3433012385.
- ^ Brinckerhoff, Parsons (1993). Silano, Louis G. (ed.). Bridge Inspection and Rehabilitation: A Practical Guide (a Wiley Interscience publication). John Wiley & Sons. p. 183. ISBN 0471532622.
- ^ Fu, Gongkang (2013). Bridge Design and Evaluation: LRFD and LRFR. John Wiley & Sons. p. 304. ISBN 1118332687.
External links
- Pretread page on bridge bearing pads - a UAE based company which supplies bridge bearing pads
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