Previous studies on the hollow cylinder torsional shear test (HCTST) have mainly focused
on the macroscopic behavior, while the micromechanical responses in soil specimens with …

This book examines the experimental and theoretical aspects of bifurcation analysis as
applied to geomechanics. Coverage includes basic continuum mechanics for dry and fluid …

The concept of the critical state in granular soils needs to make proper reference to the fabric
structure that develops at critical state. This study identifies a unique property associated …

The theory of zero purely elastic range in stress space within the framework of bounding
surface plasticity is applied to sand constitutive modelling. The yield surface shrinks to zero …

This textbook compiles reports written by about 35 internationally recognized authorities,
and covers a range of interests for geotechnical engineers. Topics include: fundamentals for …

An existing platform model for inherently anisotropic sands is extended to account for
deformations induced by non-proportional loadings. The platform model is within the …

A series of drained tests for sands with inherent fabric anisotropy were conducted with an
automatic hollow cylinder apparatus. The samples were subjected to cyclic rotation of …

SANISAND is the name of a family of bounding surface plasticity constitutive models for
sand within the framework of critical state theory, which have been able to realistically …

The dilatancy equation ignores the noncoaxiality of granular soil for the coaxial assumption
of the direction of the stress and strain rate in conventional plastic potential theory, which is …

Soil fabric and its evolving nature underpin the non-coaxial, anisotropic mechanical
behaviour of sand, which has not been adequately recognized by past studies on …