Study of Site Effects in Kobe Area Using Microtremors

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In this study, an attempt was made to examine the effect of site conditions on damage distribution in the Kobe City area, after the Hyogo-ken Nanbu earthquake of Jan. 17, 1995, using measured microtremors. A preliminary measurement of microtremors was done between Feb. 18 and 21, 1995. Based on the findings of the preliminary measurement, a more detailed investigation was made between March 4 and 6, 1995. In both cases continuous-stationary measurements and mobile measurements were made. The measured microtremors in the Kobe area showed site-dependent variation in time history, spectral amplitude, spectral ratio, and predominant period. Stiff soil sites showed lower values of amplitude both in time history and spectral amplitude, while soft and deep soil formations showed higher values. The predominant periods also varied in relation to the soil formation in some of the cases. The damage distribution of building structures, especially that of low-rise structures including wooden houses, showed good relation with the characteristics of measured microtremors.

収録刊行物

  • Journal of physics of the earth  

    Journal of physics of the earth 45(2), 121-133, 1997-04 

    The Seismological Society of Japan, The Volcanological Society of Japan , The Geodetic Society of Japan

参考文献:  16件

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各種コード

  • NII論文ID(NAID)
    10002428789
  • NII書誌ID(NCID)
    AA00704960
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223743
  • NDL 記事登録ID
    4317044
  • NDL 雑誌分類
    ZM41(科学技術--地球科学)
  • NDL 請求記号
    Z53-B237
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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