한국지반공학회:학술대회논문집 (Proceedings of the Korean Geotechical Society Conference)

한국지반공학회 (Korean Geotechnical Society)
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액상화에 의한 실트질 모레지반의 침하 산정

Simplified Estimation of Settlement in Silty Sand Grounds Induced Liquefaction

  • 이민호 (서울시립대학교 토목공학과) ;
  • 김태훈 (서울시립대학교 토목공학과) ;
  • 이송 (서울시립대학교 토목공학과)
  • Rhee, Min-Ho (Dept. of Civil Engineering, Univ. of Seoul) ;
  • Kim, Tae-Hoon (Dept. of Civil Engineering, Univ. of Seoul) ;
  • Lee, Song (Dept. of Civil Engineering, Univ. of Seoul)
  • 발행 : 2000.11.01
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초록

When subjected to earthquake shaking, saturated sandy soil may generate excess pore pressure. And a time may come when initial confining pressure will equal to excess pore pressure. Depending on the characteristics of the soil and the length of the drainage path, excess pore pressure was dissipated after earthquake. For this reason, it was induced settlement in grounds and fatal damage of various structures. In this study, settlement in silty sand grounds induced earthquake was evaluated using post-liquefaction constitutive equation between volumetric strain and shear strain from previous study. Using that, it was proposed that simplified estimation of settlement in silty sand grounds induced liquefaction.

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