Evaluation of settlement in soil deposits following liquefaction during earthquakes

DOI Web Site Web Site 被引用文献82件 参考文献18件 オープンアクセス

書誌事項

タイトル別名
  • Evaluation of settlements in sand deposits following liquefaction during earthquakes.
  • Evaluation of settlements in sand deposits following liquefaction during earthquake
  • Evaluation of settlements in sand deposits following earthquakes
  • Evaluation of settlement in sand deposits following liquefaction during earthquakes
公開日
1992
DOI
  • 10.3208/sandf1972.32.173
公開者
公益社団法人 地盤工学会

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説明

By examining a bulk of laboratory test data on sands obtained by using a simple shear apparatus, a family of curves was established in which the volumetric strain resulting from dissipation of pore water pressures is correlated with the density of sand and conventionally used factor of safety against liquefaction. Thus, given the factor of safety and the density in each layer of a sand deposit at a given site, the volumetric strain can be calculated and by integrating the volume changes throughout the depth, it becomes possible to estimate the amount of settlements on the ground surface produced by shaking during earthquakes. The outcome of the data arrangements as above was put in a framework of methodology to estimate the liquefaction-induced settlements of the ground. The proposed methodology was used to estimate the settlements at several sites devastated by liquefaction during the 1964 Niigata earthquake. The estimated values of the settlements were examined in the light of known performances of the sand deposits at respective site. It was shown that the proposed methodology may be used for predicting liquefaction-induced settlements with a level of accuracy suitable for many engineering purposes.

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