Coal deformation energy and gas expansion energy are the main power sources for coal
and gas outbursts (called outbursts for short). Although the combined effect hypothesis of the …

Coal and gas outburst is a frequent dynamic disaster during underground coal mining
activities. After about 150 years of exploration, the mechanisms of outbursts remain unclear …

Coal and gas outburst is a violent mechanical instability of gas-containing coal, and its
mechanism is crucial for prevention of gas dynamic disasters. The macroscopic instability of …

Coal–gas outburst is a complex dynamic phenomenon in underground coal mines that has
occurred frequently over the past 150 years. This phenomenon has seriously restricted the …

Coal and gas outburst (outburst) is one of the most serious disasters in the underground
mining industry. Understanding the mechanism of outbursts is essential to predict and …

As the one of the most catastrophic hazards in underground mining, coal and gas outburst
seriously threatens the safe mining of collieries. To understand the formation and transport …

Although a series of hypotheses have been proposed, the mechanism underlying coal and
gas outburst remains unclear. Given the low-index outbursts encountered in mining practice …

The coal strength and deformation properties are key factors affecting safe coal mining and
high-efficiency coalbed methane (CBM) development. In this paper, reconstituted coal …

This research reviewed the mechanics and gas desorption properties of intact coal, and
tested the crushing work ratios of different intact coals, and then, studied the stress …

To accurately predict the risk of coal and gas outbursts under different conditions, an
outburst risk prediction system and risk level indices value system were constructed based …