In recent years, the ecology, security, and sustainable development of modern mines have
become the theme of coal mine development worldwide. However, spontaneous …

Coal‐gas outburst, rock burst, and other mine dynamic disasters are closely related to the
instability and failure of coal‐rock. Coal‐rock is the assemblies of mineral particles of varying …

To explore the causes of acoustic emission (AE) mechanisms during different loading
stages, the collected coal samples were subjected to uniaxial compression, and the AE …

To accurately detect the development height of the water flowing fractured zone (WFFZ) in
the overlying strata of the working face after mining under water and to ensure the safety and …

In order to quantitatively study the relationship between the disturbance stress of coal mine
roadways and the electromagnetic radiation (EMR) of rocks, and further evaluate their …

PFC2D (3D) is commercial software, which is commonly used to model the crack initiation of
rock and rock‐like materials. For the PFC2D (3D) numerical simulation, a proper set of …

The deformation and damage characteristics of surrounding rock grow gradually with the
increase of mining depth, and the mechanical behavior and damage mechanism of coal …

Coal and gas outburst disaster of the No. B-1 Coalbed, Henan, China, have lasted for nearly
60 years, and the threat will become more and more serious as mining depths continuously …

One of the methods for investigation of mechanical behavior of materials is numerical
simulation. For simulation, its need to model behavior is close to real condition. PFC is one …

Longwall roadway suffered from mining-induced abutment pressure caused by the
consequent large roof movement is a major concern in underground mining. In this study, a …