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

한국지반공학회 (Korean Geotechnical Society)
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$K_0$조건하 거동에 대한 유효응력 구성모델

An Effective Stress Based Constitutive Model on the Behavior under $K_0$ Condition

  • 오세붕 (영남대학교 토목공학과) ;
  • 김욱 (영남대학교 토목공학과) ;
  • 박희범 (영남대학교 토목공학과)
  • 발행 : 2004.03.25
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초록

A constiutive model was proposed in order to model dilatancy under $K_0$ conditions. The model includes an anisotropic hardening rule with bounding surface and hypothetical peak stress ratio and dilatancy function which are dependent on a state parameter. The triaxial stress-strain relationship under $K_0$ conditions was calculated reasonably by the proposed model. In particular the model could consistently predict dilatancy in volume change, softening with peak strength and small strain behavior.

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