摘要
根据张庄煤矿开采实践 ,分析了在煤层倾角较大条件下 ,采用炮采仰斜开采时工作面顶板管理产中存在的支柱的迎山角、初撑力与工作阻力、支拄钻底、工作面支架稳定性、工作面煤壁片帮、上下端头支护等问题 ,提出了技术管理措施。
This paper analyzes some problems existing in the roof management on the term of big tilting angle coal seam when applying upscale firecrackers into tilting extraction, brings up technical management measure. It has some reference value to similar terms of some work groups which applying big tilting angle, tilting long wall, and tilting extraction.
出处
《淮南职业技术学院学报》
2004年第3期19-21,共3页
Journal of Huainan Vocational Technical College
关键词
大倾角
仰斜开采
顶板管理
倾斜长壁
big tilting angle
tilting extraction
roof management
tilting long wall