System identification of bridges with nonlinear foundations

Jhy Pyng Tang, Thung Ming Fang

Research output: Contribution to journalArticlepeer-review


In the present study, the nonparametric method of system identification proposed by Masri et al. has been used to treat simulated earthquake response data of a bridge with nonlinear foundations. It is found that the method is promising for estimation of functions which represent the dynamic characteristics of bridges and provides a sound basis for study of the safety assessment of a bridge by using earthquake response data of the bridge.


  • Bridge
  • Nonlinear foundation
  • System identification


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