Research Progress of Aging Mechanism and Its Research Methods for Rubber Bearings for Bridges
Rubber bearings with low self-weight are widely used as a substitute for cast steel bearings in bridge engineering due to their excellent performance such as elasticity and flexibility,deformation adaptability,load transmission,waterproof insulation,and so on.Although their application is becoming increasingly widespread,there are some issues to solve like deformation or hardening,limited bearing capacity,aging,durability,etc.especially under extremely high or low temperatures.This paper examines the possible aging mechanism of rubber bearings,summarizes the achievements of current research methods on aging of rubber bearings,highlights the existing problems in the current aging research of rubber bearing for bridges,and provides the perspective for its future development.
rubber bearings for bridgesaging mechanismresearch methods for aging
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