基于电阻率法的复合破碎顶板裂隙带研究  

Research on Fracture Zone of Composite Broken Roof Based on Resistivity Method

作　　者：侯文光 李飞 Hou Wenguang;Li Fei(Liyazhuang Coal Mine,Huozhou Coal Power Group Co.,Ltd.,Huozhou 031400,China;Shanxi Guoyuan Coalbed Methane Comprehensive Utilization Engineering Technology Co.,Ltd.,Taiyuan 030001,China)

机构地区：[1]霍州煤电集团有限责任公司李雅庄煤矿,山西霍州031400 [2]山西国源煤层气综合利用工程技术股份有限公司,太原030001

出　　处：《煤矿机械》2021年第11期73-76,共4页Coal Mine Machinery

摘　　要：在高地应力条件下的复合破碎顶板中裂隙带的分布,传统裂隙带高度计算公式难以对其进行准确预测。针对此类难题,以李雅庄煤矿2#煤层及其破碎复合顶板为工程背景,采用钻孔电阻率法对顶板的断裂情况进行了探测,基于探测结果与经验公式计算结果之间的差异,对经验公式进行修正使其适用于李雅庄煤矿裂隙带高度的计算。研究结果为复合破碎顶板煤矿防治水及瓦斯灾害、煤层气抽采和矿压管理提供依据。The distribution of the fracture zone in the composite broken roof under the condition of high ground stress is difficult to accurately predict by the height of the traditional fracture zone calculation formula. For such problems, the Liyazhuang coal mine 2#coal seam and its broken composite roof were used as the engineering background. Used the hole resistivity method to detecte the fracture of the roof.Based on the difference between the detection result and the calculation result of the empirical formula,the empirical formula was modified to make it suitable for the calculation of the height of the fissure zone in Liyazhuang coal mine. The research results provide a basis for the prevention and control of water and gas disasters, coalbed methane extraction and mine pressure management in the composite broken roof coal mine.

关 键 词：高地应力 复合破碎顶板 裂隙带 电阻率法 

分 类 号：TD327.2[矿业工程—矿井建设]