The damage or failure of coal rock is accompanied by energy accumulation, dissipation and
release. It is crucial to study the energy evolution characteristics of coal rock for rock …

In this work, the size effect in the fragmentation strength of cylindrical alumina aggregate
under quasi-static diametrical loading is investigated by performing Discrete Element …

Based on the traditional solution of plane stress elastic mechanics, the optical measurement
method for determining the tensile modulus of the Brazilian disc splitting test is obtained …

The caving property of top coal is a key factor to the success of top coal caving mining. The
influence law of cyclic loading and unloading of hydraulic support on top coal caving is of …

As a special type of joint fracture, the fracture evolution characteristics of parallel double
joints have important engineering significance for the stability analysis of fractured rock …

The influence of normal stress perpendicular to the potential shear plane was always
neglected in existing researches, which may lead to a serious deviation of the shear strength …

Stress analysis of bottom-hole rock has to be considered with much care to further
understand rock fragmentation mechanism and high penetration rate. This original study …

In order to determine the effect of internal cracks on the tensile failure of materials, a hybrid
finite–discrete element method was used to analyze the Brazilian disc test with cracks of …

In the present study, utilizing the program framework of the three-dimensional numerical
manifold method (3DNMM), we have achieved local crack surface tracking by embedding …