Evaluation of typhoon induced fatigue damage using health monitoring data for the Tsing Ma Bridge

Tommy H. T. Chan , Z. X. Li , J. M. Ko

Abstract

This paper aims to evaluate the effect of typhoons on fatigue damage accumulation in steel decks of long-span suspension bridges. The strain-time histories at critical locations of deck sections of long-span bridges during different typhoons passing the bridge area are investigated by using on-line strain data acquired from the structural health monitoring system installed on the bridge. The fatigue damage models based on Miner

Key Words

typhoon; long-span bridge; fatigue damage; stress spectrum; health monitoring.

Address

Tommy H. T. Chan; Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong KongZ. X. Li; College of Civil Engineering, Southeast University, Nanjing, 210096, ChinaJ. M. Ko; Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong

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