Research Progress on Tribology of Sliding Plate Materials for Bridge Bearings

The sliding plate material of bridge bearing is the key part to realize the bearing， sliding and rotation of bridge bearing.This paper expounded the structure and working condition characteristics of sliding plate for bridge bearing， introduced the influence of different extreme environments on the service life and tribological properties of bridge bearing materials， summarized the research status and development trends of polytetrafluoroethylene， ultra-high molecular weight polyethylene and other typical sliding plate materials for bridge bearing， and compared their similarities and differences.On this basis， the future development trend of tribological properties of sliding plate materials for bridge bearing was analyzed.