Coal and rock mass bear loads together in underground engineering such as coal mining
and roadway support, resulting in different mechanical properties from those of pure coal …

The coal and rock bear the load together considering the fact that underground mining is
usually operated in layered beds, which results in that the mechanical responses of the coal …

Surrounding rocks around coal tunnel in western mining area of China are typical composite
structures composed of weakly cemented soft rock and hard coal, and the tunnel stability is …

When fully-mechanized caving face passed fault, rock burst accidence easily occurred. The
SOS microseism monitoring system was applied to monitor the microseismic activities all …

煤岩瓦斯复合动力灾害是深井开采面临的一种由冲击地压和煤与瓦斯突出共同作用的新的灾害
表现形式. 微破裂前兆是煤岩瓦斯复合动力灾变过程显现的共性本质特征 …

冲击地压等动力灾害是含裂隙结构面岩体破裂发育, 成核的动态演化结果,
借助声发射监测可精确感知破裂演化过程进而实现灾害的有效预警. 测试不同加载速率下含平行 …

Microseismic monitoring system is one of the effective means to monitor ground stress in
deep mines. The accuracy and speed of microseismic signal identification directly affect the …

In order to study the mechanics and acoustic emission (AE) characteristics of fractured rock
under water-rock interaction, dried and saturated sandstone samples with prefabricated …

With the development of coal mine to the deeper zone, the dynamic disaster of coal mines
not only shows some characteristics of rock burst, but also shows some characteristics of …