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VolF11Šª
”NF 2002”N
•ÅF 1137-1142•Å
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ŒfÚŽGŽi‰pjF THE EARTHQUAKE ENGINEERING SYMPOSIUM PROCEEDINGS
’˜ŽÒi‰pjF OTSUKA Hisanori, TACHIBANA Yoshinori, YOSHIMURA Shigeru
ƒ^ƒCƒgƒ‹i‰pjF SEISMIC RESPONSE ANALYSIS FOR AXIAL DIRECTION OF THE LONG UNDERGROUND STRUCTURES BY SEISMIC DEFORMATION METHOD
´˜^i‰pjF In seismic design for axial direction of long underground stuructures,seismic deformation method is generally used. In this method,it is assumed that ground vibration as external force forms sine wave for the convenience of designers.But,the accuracy of this assumption is doubtful when underground sturucture is built in irregular ground. In this paper, in order to investigate the seismic response property of various type of tunnel built in irregular ground, static tunnel analysis is carried out using ground deformation calculated by dynamic analysis of ground. Furthermore, the applicability of mass model in dynamic analysis of ground is discussed by comparing FEM model.
ƒL[ƒ[ƒhi‰pjF Seismic Deformation Method, Underground Structure, FEM Model, Mass Model
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