兵庫県南部地震により野島地震断層沿いに起きた瞬間型の液状化
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The liquefactions formed during the Southern Hyogo Prefecture Earthquake on 17th January, 1995, were found at a lot of locations along and near the Nojima Earthquake Fault in the northern Awaji island, Japan. The instantaneous-shaking liquefaction found at the Ogura location occurred in the consolidated-week consolidated Osaka formation which is composed of alternating beds of silt-clay-sand layers and gravel layers. The grain size distribution shows that the grain size of the boiled sands is in the range of grain size having a potential possibility to generate liquefaction known as so far. It is shown by the field evidence and seismic data that the instantaneous-shaking liquefaction formed mainly by the ground motion generated by P-wave rather than S-wave.
- 1995-08-10
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