摘要
通过对东欢坨北二采区8煤的导水裂隙发育、覆岩与各含水层间距、构造复杂情况的分析,得出8煤顶板突水危险性等级评价图,为8煤的开采更好服务。
Through analyze the crack zone height,the spacing of overlying strata and each aquifer,the situation of complex structural in Donghuantuo coal mine North 2th district NO.8 coal.Obtain the grade evaluation Figure of NO.8 coal roof water burst hazard assessment,serviced for exploit the NO.8 coal.
出处
《河北联合大学学报（自然科学版）》
CAS
2013年第3期9-13,共5页
Journal of Hebei Polytechnic University:Social Science Edition
关键词
顶板水害
危险性评价
控制因素
评价与预测
roof water burst
hazard assessment
controlling factors
assessment and forecast
