中承式钢管混凝土拱桥弹塑性地震时程分析
云迪1, 刘贺2, 张素梅3

Elastic-plastic time-history analysis of half-through CFST arch bridge
YUN Di1, LIU He2, ZHANG Su-mei3
图7 拱肋位移延性系数IDA曲线
Fig.7 IDA curve for ductility factor of arch-rib displacement