Explicit finite difference code was used to calculate the stability factors of shallow tunnels without internal support in limit state. The proposed method was formulated within the nonassociative plasticity. For the shallow tunnels in soft clay, without considering ...

In this thesis a novel conceptual model of the mechanics of sands is developed within an elastic-plastic framework. In this study is presented an extension of the critical model by incorporating the features of granular fabric.

<p>Many geotechnical engineers who apply Coulomb's equation (1) in plastic limit calculatlons are not aware that Coulomb stated that newly disturbed soil has no cohesion, Values of cohesion c and friction &lt;&phi;&gt; used by geotechnical engineers for undisturbed ...

In this paper the behavior of a Vosges sandstone is studied, including quasi-homogeneous deformation, incipient strain localization and localised rupture.

A computational model for dynamically induced liquefaction is calibrated by centrifuge model tests. The model is a time domain code based on a nonlinear coupled solid-fluid formulation. Special attention is dedicated to the concept of cyclic mobility during ...

<p>Extensive data of the strength and dilatancy of 17 sands in axisymmetric or plane strain at different densities and confining pressures are collated. The critical state angle of shearing resistance of soil which is shearing at constant volume is principally ...