With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining. 摘要随着煤矿开采深度增加，综放开采回采巷道易发生冲击地压危害。
According to the need for study on methane movement law in fully mechanizedsublevl caving stopes,the methane rising and pressure diffusion theory is put forward. 依研究综放采场瓦斯运移规律的需要，提出矿井瓦斯气体浮升与压强扩散理论。
