常時微動観測と地盤統計手法に基づく福井平野の第四紀構造の推定

書誌事項

タイトル別名
  • Estimation of Quaternary Configuration of Fukui Plain Based on Geostatistical Method and Microtremor Observation
  • ジョウジ ビドウ カンソク ト ジバン トウケイ シュホウ ニ モトヅク フクイ ヘイヤ ノ ダイ4キ コウゾウ ノ スイテイ

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抄録

The accurate evaluations of Quaternary structure of the region are indispensable in order to accurately predict the seismic damage. However, deep borehole, PS logging and elastic wave exploration have been executed only on limited points around the Fukui Plain. The problems analyzed in this study are statistical estimations of the 3D Quaternary configuration of the Fukui Plain using data from 197 microtremor observations. The 3-components single-site microtremor observations were carried out in every mesh of the 1 minute interval which covers the Fukui Plain. The 3D configuration models of Quaternary have been evaluated by using kriging and cokriging procedure in which the correlations of the estimated depths of quaternary with the altitudes of the sites were taken into account. By comparing with kinds of inversion analysis results and boring data, the validity of the estimated structure was examined.

収録刊行物

  • 応用地質

    応用地質 46 (1), 9-19, 2005

    一般社団法人 日本応用地質学会

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