Spatial variance of one dimensional seismic response of coastal reclaimed land investigated by highly dense ground surveys

• Mori Shinichiro

  愛媛大学　大学院理工学研究科

• Tamura Ikki

  愛媛大学　大学院理工学研究科

Bibliographic Information

Other Title

• 高密度地盤調査による埋立地盤の構造推定と一次元地震応答のばらつき

Abstract

In this paper, we demonstrate the effect of spatial variations of shear wave velocities of soils and predominant periods of ground on the seismic response of a site, where minor liquefaction was observed in a coastal reclaimed land during the 2001 Geiyo Earthquake. Those properties are obtained by surface wave exploration covering a 200-m line and highly dense mesurement of microtremor along the line crossing or passing by some of the liquefaction sites. Based on developed consecutive 48 models of ground along the line, one dimensional seismic response analyses are conducted. Experimental and analytical results are clearly harmonized in terms of clarifying liquefaction initiates in the most susceptible points in a spatially variant ground.

Journal

• Journal of Structural Engineering, A

  Journal of Structural Engineering, A 57A 318-331, 2011

  Japan Society of Civil Engineers

Keywords

• microtremor measurement
• surface wave exploration
• seismic response analysis
• variance

Details

• CRID: 1390282680261172480
• NII Article ID: 130004503728
• DOI: 10.11532/structcivil.57a.318
• ISSN: 1881820X
• Data Source:
  • JaLC
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed