Rockburst is becoming a huge challenge for the utilization of deep underground space.
Extensive efforts have been devoted to investigating the rockburst behavior and mechanism …

Microseismic monitoring system is one of the effective methods for deep mining geo-stress
monitoring. The principle of microseismic monitoring system is to analyze the mechanical …

To control the stability of gob-side entry in 110 mining method, the evolution mechanism of
surrounding rock stress and deformation in the whole life cycle of the entry must be …

China's coal mines have to extend to greater depths for the exploitation of more mineral
resources, and they have suffered catastrophic mining-induced disasters, such as …

The acoustic emission b value is an important and widely used parameter for the early
prediction of rock fractures. In this study, five groups of true triaxial compression tests were …

Rock bursts are a serious geological disaster occurring in deep underground engineering
operations, which will cause casualties and economic loss. The quantitative threshold of …

To decrease the waste of coal resources, reduce the drivage ratio, and improve the stability
of roadways, a pressure-relief mining technology without advance tunneling and coal pillars …

Several derivative disasters such as ground pressure disasters and methane explosions can
be caused by the hard roof in coal mines. For limestone roofs with fine integrity and extreme …

Massive coal extraction from the longwall panel results in the formation large void space
(goaf), which is followed by elevation in the stress level of the overlying strata. The …

As a high-risk industry, coal mine safety accidents can create significant loss of life and
property to the nation and its people. In this work, a nonlinear time-varying factor model was …