摘要
运用FLAC^(3D)软件对赵庄二号井的DF5断层的防水煤柱进行了数值模拟研究。通过留设不同宽度的保护煤柱,分析煤系煤层周围及断层附近塑性区及最小主应力变化情况,得出了断层煤柱的合理留设宽度,3~#煤层临近断层开采时,留设60 m的防水煤柱是可靠的。
The waterproof coal pillars of the DF5 fault which was in the Zhaozhuang II mine shaft were studied by numerical simulation adopting FLAC3D software. By leaving different width＇s coal pillars,the changing of the plastic zone and the smallest main stress were analysed and the coal pillars＇ rational leaving width was obtained, No.3 coal seams＇ waterproof coal pillars were respectively sixty meters are reliable.
出处
《煤炭技术》
CAS
北大核心
2016年第10期149-151,共3页
Coal Technology
基金
中央高校基本科研业务费项目(3142015139)
关键词
FLAC3D
断层
数值模拟
防水煤柱
FLAC3D
faults
numerical smulation
waterproof coal pillars
