大跨度公铁两用斜拉-悬索协作体系桥断索动力响应

张兴标,王涛,姚森,叶华文,王路,白伦华

Dynamic response of cable fracture of long span road-rail cable-stayed suspension bridge

Xingbiao ZHANG,Tao WANG,Sen YAO,Huawen YE,Lu WANG,Lunhua BAI

表 1 断索工况设置

Tab.1 Setting of cable fracture conditions

工况号 Fc/(104 N) Fd/(104 N) tx/s td/s D6/m 1 1.0 5.0 未断索 0.5 −0.1301 2 1.0 20.0 未断索 2.0 −0.1301 3 1.0 20.0 10.0 1.0 −0.6208