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Undrained strength-deformation characteristics of Bangkok Clay under general stress condition

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dc.contributor.author Fumihiko Fukuda
dc.contributor.author Wanwarang Ratananikom
dc.contributor.author Siam Yimsiri
dc.contributor.author Suched Likitlersuang
dc.contributor.other Faculty of Engineering
dc.date.accessioned 2019-03-25T09:18:44Z
dc.date.available 2019-03-25T09:18:44Z
dc.date.issued 2013
dc.identifier.uri http://dspace.lib.buu.ac.th/xmlui/handle/1234567890/2662
dc.description.abstract This paper presents an experimental study on the influence of principal stress direction and magnitude of intermediate principal stress on the undrained stress-strain-strength behaviors of Bangkok Clay. The results of torsional shear hollow cylinder and advanced triaxial tests with various principal stress directions and magnitudes of intermediate principal stress on undisturbed Bangkok Clay specimens are presented. The analysis of testing results include: (i) stress-strain and pore pressure behaviors, (ii) stiffness characteristics, and (iii) strength characteristics. The results assert clear evidences of anisotropic characteristics of Bangkok Clay at pre-failure and failure conditions. The magnitude of intermediate principal stress for plane-strain condition is also investigated. Both failure surface and plastic potential in deviatoric plane of Bangkok Clay are demonstrated to be isotropic and of circular shape which implies an associated flow rule. It is also observed that the shape of failure surface in deviatoric plane changes its size, while retaining its circular shape, with the change in direction of major principal stress. Concerning the behavior of Bangkok Clay found from this study, the discussions on the effects of employed constitutive modeling approach on the resulting numerical analysis are made en
dc.language.iso eng
dc.subject Bangkok Clay
dc.subject Failure criteria
dc.subject Generalised stress
dc.subject stress-strain characteristics
dc.subject Torsional shear hollow cylinder
dc.subject สาขาวิศวกรรมศาสตร์และอุตสาหกรรมวิจัย th_TH
dc.title Undrained strength-deformation characteristics of Bangkok Clay under general stress condition en
dc.type บทความวารสาร th_TH
dc.issue 5
dc.volume 5
dc.year 2013
dc.journal Geomechanics and Engineering.
dc.page 419-445.

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