NDLI: A new elliptic-parabolic yield surface model revised by an adaptive criterion for granular soils

Content Provider	Springer Nature Link
Author	Liu, HanLong Xiao, Yang Liu, JinYuan Li, GuoYing
Copyright Year	2010
Abstract	An adaptive criterion for shear yielding as well as shear failure of soils is proposed in this paper to address the fact that most criteria, including the Mohr-Coulomb criterion, the Lade criterion and the Matsuoka-Nakai criterion, cannot agree well with the experimental results when the value of the intermediate principal stress parameter is too big. The new criterion can adjust an adaptive parameter based on the experimental results in order to make the theoretical calculations fit the test results more accurately. The original elliptic-parabolic yield surface model can capture both soil contraction and dilation behaviors. However, it normally over-predicts the soil strength due to its application of the Extended Mises criterion. A new elliptic-parabolic yield surface mode is presented in this paper, which introduces the adaptive criterion in three-dimensional principal stress space. The new model can well model the stress-strain behavior of soils under general stress conditions. Compared to the original model which can only simulate soil behavior under triaxial compression conditions, the new model can simulate soil behaviors under both triaxial compression conditions and general stress conditions.
Starting Page	2152
Ending Page	2159
Page Count	8
File Format	PDF
ISSN	16747321
Journal	Science in China Series E: Technological Sciences
Volume Number	53
Issue Number	8
e-ISSN	1862281X
Language	English
Publisher	SP Science China Press
Publisher Date	2010-07-15
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	principal stress space intermediate principal stress yield surface failure criterion constitutive model Engineering
Content Type	Text
Resource Type	Article
Subject	Engineering Materials Science

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