特厚煤层分层开采导水裂隙带高度探测研究  

Exploring Research on Height of Water Flowing Fractured Zone of Extremely Thick Coal Seams to Slice Mining

作　　者：余学义[1,2] 刘俊[1,2] 王鹏 赵兵朝[1,2] 

机构地区：[1]西安科技大学能源学院,陕西西安710054 [2]教育部西部矿井开采及灾害防治重点实验室,陕西西安710054 [3]陕西煤业化工技术研究院有限责任公司,陕西西安710070

出　　处：《中州煤炭》2013年第7期4-7,11,共5页Zhongzhou Coal

基　　金：陕西省教育厅重点实验室科学研究计划项目(2010JS020);陕西省科技计划项目(2011JY005)

摘　　要：针对孟加拉国巴拉普库利亚煤矿(简称孟巴矿)地表松散富含水层水体下安全开采问题,通过分析该矿1112工作面具体地质条件与开采条件,在应用经验公式预测合理导水裂隙带发育高度的基础上,选用先进的井下仰孔注水测漏法对Ⅵ煤首分层综采采场导水裂隙带发育高度进行了现场探测,进行了1个对比孔与3个观测孔的注水漏失量观测,并分析了对比孔和观测孔注水漏失量随钻孔深度变化曲线,获得了该工作面导水裂隙带发育高度。Aiming at the safety mining problems under water bodies of water conducted zone in Barapukuria colliery of Bangladesh, up- ward slant hole observing method was used to monitor the height of water conducted zone in first stope of VI coal which adopted fully- mechanized coal mining technology on the basis of predicting the breakage rule by analyzing the geology and mining condition of 1112 working face in coal mine. The injection water leakage of a contrast hole and three observation holes were observed. By analyzing injec- tion water leakage and the hole depth correlation curve, developing height of water flowing fractured zone was obtained.

关 键 词：分层开采 导水裂隙带 发育高度 井下仰孔 注水漏失量 

分 类 号：TD745[矿业工程—矿井通风与安全]