Bounding surface crushing soil model

Jan 25, 2011 Jan 25, 2011 A new bounding surface constitutive model for sands is presented and is suited to a wide range of stresses, including those sufficient to cause particle crushing. The basic concepts of critical state soil mechanics are shown to be valid, and a uniquely shaped critical state line is defined to capture the three modes of plastic deformation

Sep 07, 2005 A unified constitutive model for unsaturated soils is presented in a critical state framework using the concepts of effective stress and bounding surface plasticity theory. Consideration is given to the effects of unsaturation and particle crushing in the definition of the critical state. A simple isotropic elastic rule is adopted

Mar 01, 2020 A BCSP-based bounding surface plasticity model was proposed to describe the state-dependent stress-strain behaviors and the evolution of grain crushing during shearing process of rockfill materials, and was shown to sufficiently capture the breakage phenomenon

method is to use bounding surface plasticity as applied by Yu et al. [10, 11]. To our knowledge, the only model for unsaturated soils using bounding surface plasticity was developed by Russell and Khalili [8]. However, this model took into account particle crushing, making it complex and difficult to be applied to ordinary cases in soil mechanics

Apr 04, 2021 Apr 04, 2021 To describe the drained behaviors of cohesionless soil through a concise constitutive approach, a single-surface model is constructed on the concept of the bounding surface. Based on observations from tests, the maximum prestress memory surface and the radial mapping rule are adopted to take the effects of loading history into consideration

Jul 16, 2020 Jul 16, 2020 This paper reports a new bounding surface model for saturated and unsaturated interfaces. New formulations were developed to incorporate suction effects on the flow rule and plastic modulus. To examine the capability of the proposed model, it was applied to simulate suction‐ and stress‐controlled direct shear tests on unsaturated soil

The new model incorporates the framework of Critical State Soil Mechanics, while it relies upon bounding surface plasticity with a vanished elastic region to simulate the non-linear soil response

Sep 24, 2011 A 3D bounding surface model is established for rockfill materials, which can be applied to appropriately predict the deformation and the stabilization of rockfill dams. Firstly, an associated plastic flow rule for rockfill materials is investigated based on the elaborate data from the large-style triaxial compression tests and the true triaxial tests. Secondly, the constitutive equations of

A bounding surface plasticity model for highly crushable granular materials . Abstract . A bounding surface plasticity model is presented for crushable rockfills in the framework of the critical state soil mechanics which includes translation of the critical state line due to particle crushing. A

An isotropic plasticity model for soil is presented that introduces a number of significant modifications into an existing bounding‐surface model for clay to extend the range of application to sand, offering a simple unified treatment for soil. The paper focuses on the modeling of sands

between the model predictions and experimental test results will be 70 conducted to demonstrate the excellent model capabilities. 71 Modified Model Formulation 72 In this section, the modified bounding surface plasticity model is 73 presented. Throughout the paper, bold symbols indicate tensors or 74

Dec 16, 2009 Dec 16, 2009 An unsaturated soil model with minimal number of parameters based on bounding surface plasticity M. Morvan Universit de Lyon, Ecole Nationale des Travaux Publics de l'Etat, D partement G nie Civil et B timent, CNRS, FRE 3237, rue Maurice Audin, Vaulx‐en‐Velin F‐69120, France