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A state-dependent soil model and its application to principal stress rotation simulations

Citation

Wang, Z and Liu, P and Chan, AHC, A state-dependent soil model and its application to principal stress rotation simulations, International Journal of Distributed Sensor Networks, 14, (11) pp. 1-12. ISSN 1550-1329 (2018) [Refereed Article]


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Copyright Statement

2018. The Authors. This article is distributed under the terms of the Creative Commons Attribution 4.0 (CC BY 4.0) License, (http://www.creativecommons.org/licenses/by/4.0/)

DOI: doi:10.1177/1550147718808751

Abstract

The plastic strain caused by principal stress rotation is one of the most important factors contributing to substantial deformation under earthquake, wave or traffic loading. The original Pastor-Zienkiewicz Mark III model, a well-known model for the analysis of the dynamic response under cyclic loading, is unable to consider the effects of principal stress orientation as well as state-dependent dilatancy. In this article, a new constitutive model for sand is developed to consider both aforementioned effects based on the original Pastor-Zienkiewicz Mark III model. There are 14 model parameters in total for the static condition and three extra parameters for cyclic loading, and a corresponding calibration method of model parameters is proposed. The predictive capability of the proposed model is verified with the results of a series of experiments on sand, including undrained monotonic tests in different fixed principal stress orientations and undrained cyclic rotational shear tests. The comparisons indicate that the proposed model can effectively incorporate the effects of principal stress orientation and state-dependent dilatancy.

Item Details

Item Type:Refereed Article
Keywords:principal stress orientation, state-dependent, constitutive model, sand
Research Division:Engineering
Research Group:Civil engineering
Research Field:Construction materials
Objective Division:Construction
Objective Group:Construction design
Objective Field:Civil construction design
UTAS Author:Chan, AHC (Professor Andrew Chan)
ID Code:152679
Year Published:2018
Deposited By:Engineering
Deposited On:2022-08-23
Last Modified:2022-09-15
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