응력경도에 따른 단일항복면구성모델의 응력-변형률 거동 특성

Stress- Strain Behavior Characteristics of Single Work Hardening Model Dependant on the Stress Path

  • 발행 : 1996.09.01

초록

Solutions of geotechnical engineering problems require predictions of deformation and stresses during various stages of loading. Powerful numerical methods are available to make such predictions even for complicated problems. To get accurate results, realistic stress-strain relationships of soils are dependent on a number of factors such as soil type, density, stress level and stress path. Attempts are continuously being made to develope analytical models for soils incorporating all such factors. Isotropic compression-expansion test and a series of drained conventional triaxial tests with several stress path for Baekma river sand were performed to investigate stress-strain and volume change characteristics of Lade's single work hardening model dependant on the stress path. In order to predicted of stress-strain and volumetric strain behavior were determined the values of parameters for the mode by the computer program based on the regression analysis. Predicted stress-strain behavior of triaxial compression tests and optional stress path tests for increasing confining pressure with parameters obtained conventional triaxial compression tests agreed with several test results but the prediction results for decreasing confining pressure reduced triaxial compression tests make a little difference with test results.

키워드

참고문헌

  1. Trans. v.122 Soil Mechanics and Work Hardening Theories of Plasticity Druker,D.C.;Gibson,R.E.;Henkel,D.J.
  2. Geotechnique v.8 no.1 On the Yielding of soil Rescore,K.H.;Schofield,A.N.;Worth,C.P.
  3. proc. 2nd European Conf. soil mech. v.1 Mechanical behaviour of an idealized 'wet' clay Roscoe,K.H.;Schofield,A.N.
  4. Engineering Plasticity On the Generalized Stress Strain Behaviour of 'Wet' Clay Roscoe,K.H.;Burland,J.B.
  5. Journal of Geotechnical Engineering v.101 no.GT3 Stress Path Dependent Deformation Module of Clay Yudhbir;A.Varadarajan
  6. International Symposium on Soils under Cyclic and Transient Loading Stress-path Dependent Stress Strain Volume Change Behaviour of a Granular Soil Varadarajan,A.;Mishra,S.S.
  7. Numerical Methods in Geotechnica Engineering 2Constitutive laws for Geologic Media Desai,C.S.;C.S.Desal(Ed.);J.T.Christian(Ed.)
  8. Computers and Geotechnics v.5 no.4 Single Hardening Constitutive Model for Frictiional Materials, I. Plastic potential function Kim,M.K.;Lada,P.V.
  9. Computers and Geotechnics v.6 no.1 Single Hardening Constitutive Model for Frictiional Materials ,Ⅱ Yield Criterion and Plastic Work Contours Kim,M.K.;Lada,P.V.
  10. Computers and Geotechnics v.6 no.1 Single Hardening Constitutive Model for Frictional Materials Ⅲ. Comparisons with Experimental Data Kim,M.K.;Lada,P.V.
  11. Journal of Geotechincal Engineering v.116 no.3 Single Hardening Model with Application to NC Clay Lada,P.V.
  12. 1995년도 한국농공학회 학술발표회 발표논문집 모래의 응력경로 의존특성 정진섭;김찬기;김기황;박을축
  13. 한국지반공학회지 v.8 no.2 탄소성구성모델의 토질매개변수 예민성 정진섭;김찬기;이문수