Seismic Behavior Analysis of a Long-Span PC Composite Box-Girder Bridge with Corrugated Steel Webs

Based on a long-span PC composite box-girder bridge with corrugated steel webs, the dynamic characteristics and seismic behavior of finite element model built by Midas Civil is analyzed through response spectrum method. The results show that the first natural frequency is vibration of inner surface mainly for the main span and it meets the demand of two-stage seismic design.