摘要
地应力的变化对于石门揭煤的影响至关重要。针对某矿石门揭煤的过程,利用FLAC3D软件对地应力的变化进行了数值模拟,从应力场和位移场两个方面分析了高瓦斯煤岩体的破裂演化过程,得出了地应力在揭煤过程中的变化规律,并分析了地应力的变化对瓦斯突出的影响,为该矿采取有效的预防突出措施提供了依据。
The change of ground stress is very important to the influence of coal. Aiming at stone door uncovering coal mine,the process of using FLAC software is simulated to the change the ground stress,which analyzed from the aspects of stress field and displacement field two gas evolution process of coal and rock burst,it is concluded that the stress on uncovering coal in the process of change rule,and analysis the influence of the change of ground stress of gas outburst,as the mine to take effective preventive measures to provide the basis.
出处
《煤》
2018年第1期1-3,13,共4页
Coal
基金
国家自然科学基金青年科学基金资助项目(50904033)
辽宁省自然科学基金资助项目(20102090)
关键词
石门揭煤
地应力
FLAD3D数值模拟
防突措施
Shimen uncovering coal
in-situ stress
FLAD3D numerical simulation
outburst prevention measures
