富水厚砂层下二分层综采导水裂隙带探测研究

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英文篇名：Study on Detection of Water Flow Cracking Zone in Fully Mechanized Coal Mining Face in Second Slicing Seam Under Watery Thick Sand Stratum 中文刊名：煤炭工程 英文刊名：Coal Engineering 作者：郭文彬 ; 刘俊 英文作者：GUO Wen-bin ; LIU Jun ; School of Engineering and Technology ; Hulunbuir College ; Northwest Safety Production Research Institute ; Chongqing Research Institute Company Limited ; China Coal Technology Engineering Group 中文关键词：分层开采 ; 导水裂隙带 ; 发育高度 ; 钻孔冲洗液法 英文关键词：slicing mining ; water flow cracking zone ; development height ; drilling flushing fluid method 出版日期：2014-12-16 机构：呼伦贝尔学院工程技术学院;中煤科工集团重庆研究院有限公司西北安全生产科学院; 年：2014 期：12 出版单位：煤炭工程

摘要

针对富水厚砂层下分层开采问题,在分析矿井具体地质条件与开采条件基础上,采用地面钻孔冲洗液漏失量观测法对分层综采覆岩破坏高度进行了现场探测,确定了导水裂隙带发育高度,判定了矿井的覆岩破坏规律,为矿井水体下安全开采提供了参考依据。
In view of a slicing mining problem under a watery thick sand stratum, based on an analysis on certain geological condition and mining condition of the mine,a leakage observation method of the surface drilling flushing liquid was applied to a site detection of the failure height of the overburden strata in the fully mechanized slicing mining. A development height of the water flow cracking zone was determined and the overburden strata failure law of the mine was judged,which could provide reference basis to the safety mining under a water body in underground mine.

引文

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