Journal of the Korean Geotechnical Society (한국지반공학회논문집)

Korean Geotechnical Society (한국지반공학회)
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Post-liquefaction Behavior under Monotonic Loading of a Silty Sand

실트질 모래의 액상화 후의 정적거동

  • 강병희 (인하대학교 공과대학 건설공학부) ;
  • 박근보 (인하대학교 대학원 토목공학과) ;
  • 강대성 (인하대학교 대학원 토목공학과)
  • Published : 2000.10.01
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Abstract

보통으로 다져진(Dr=50%)실트질 모래의 액상화 후의 비배수정적거동과 이에 대한 압밀응력비의 영향에 관해서 연구하기 위하여 4가지 압밀응력비(σhc'/σVC'=1.0,0.7,0.55,K0)로서 압밀시킨 공시체를 액상화 전후상태에서 비배수 삼축시험을 수행하였다. 연구결과 액상화를 경험하지 않은 실트질 모래의 p'-q좌표상의 상전이선과 파괴선은 모두 구속압밀응력과 압밀응력비의 크기에 관계없이 각각 원점을 지나는 하나의 직선으로 나타난다. 또한 상정이전단저항은 구속응력이 클수록 증가하난 동일한 구속응력하에서는 압밀응력비와는 관계없이 거의 동일한 값을 갖는 경향을 나타낸다.

Keywords

References

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