[OS-20] Ground motion 1

[OS-20-05] A fundamental study on 3D effects of irregular ground on seismic ground motions based on observation records and FEM analyses

*Yuki Sugiyama¹, Kohei Tanaka¹, Kimitoshi Sakai¹, Hiroyuki Kawanakajima² (1. Railway Technical Research Institude, 2. Japan Railway Construction, Transport and Technology Agency)

Keywords:seismic records, irregular ground, bedrock slope, site amplification, 3-D effect