Preliminary numerical study on seismic response of ordinary long-span suspension bridges crossing active faults

Abstract The objective of this paper is to expediently expose the seismic performance pertinent demand and capacity general long-span suspension bridges crossing active faults. Firstly three dimensional finite element model ordinary bridge established based on powerful attractive software ANSYS. Secondly a series appropriate fault ground motions with different target final permanent displacements (Tectonic or offset) in direction perpendicular plane are assumed applied employed bridge. And then Newmark method utilized solve equation motion structure subjected elastic range. Finally some important conclusions drawn that has significant influence responses demands resultant deliver explicitly directly specifications guidelines for design across fault-rupture zones.