Feasibility of In Situ Displacement and Acceleration Measurements to identify Bridge Steel Bearing Malfunction
Steel bearings were employed to a large number of bridges in the past and now these are losing their functions mainly because of ageing and maintenance shortages.This malfunctioning behavior could affect the performance of bridge systems.In this paper,a response based bearing malfunction identification approach is discussed that mainly exploit the traffic-induced response of bearing vicinity.Malfunctioned and good condition steel bearings of a bridge in Yokohama,Japan were instrumented with laser displacement sensors and wireless acceleration sensors.Results of response analysis and their comparison reasonably showed the dissimilarity of bearing performances and this approach could potentially be used to identify the bearing malfunctioning.
Structural Health Monitoring Steel bearings Bearing malfunctioning Traffic loading Thermal effects
Hafiz Ahmed Waqas Di Sua Tomonori Nagayama
Department of Civil Engineering,The University of Tokyo,Tokyo,Japan
国际会议
The 7th World Conference on Structural Control and Monitoring(7WCSCM)(第七届结构控制与监测世界大会)
青岛
英文
2338-2346
2018-07-22（万方平台首次上网日期，不代表论文的发表时间）