The goal of this review paper is to provide a summary of selected discrete element and
hybrid finite–discrete element modeling techniques that have emerged in the field of rock …

The mechanical characteristics and failure behavior of rocks containing flaws or
discontinuities have received wide attention in the field of rock mechanics. When external …

This paper presents the findings of an extensive laboratory investigation into the
identification and quantification of stress-induced brittle fracture damage in rock. By …

Fracturing process and possible factors influencing crack initiation, propagation and
coalescence of granitic rocks are investigated using a grain-based finite-discrete element …

The microstructure of rock is known to influence its strength and deformation characteristics.
This paper presents the results of a laboratory investigation into the effects of grain size on …

The stability of circular excavations in clay shales is a key issue in the drilling and tunnelling
industries as well as in the field of deep geological waste storage. A large body of …

The mechanical behavior of rock under cyclic loading is quite complicated compared to
monotonic loading or unloading conditions. The triaxial cyclic loading and unloading testing …

A basic theory of damage mechanics was introduced to deal with the deformation of strain
softening for rocks. In this theory, a statistical method was used to describe rock properties …

When rock samples are loaded until macroscopic fractures develop, the failure process can
be divided into several stages based on axial and lateral strain responses or the acoustic …

Stress waves, known as acoustic emissions (AEs), are released by localized inelastic
deformation events during the progressive failure of brittle rocks. Although several numerical …