[1]来兴平,王青松,蒋丽萍,等.急倾斜煤层采空区结构特征GPR探测[J].西安科技大学学报,2012,(05):543-547.
 LAI Xing-ping,WANG Qing-song,JIANG Li-ping,et al.Structure characteristics of mined-out area in steep coal seams based on GPR detection[J].Journal of Xi'an University of Science and Technology,2012,(05):543-547.
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西安科技大学学报[ISSN:1672-9315/CN:61-1434/N]

卷:
期数:
2012年05期
页码:
543-547
栏目:
出版日期:
2012-10-31

文章信息/Info

Title:
Structure characteristics of mined-out area in steep coal seams based on GPR detection
文章编号:
1672-9315(2012)05-0543-05
作者:
来兴平12王青松12蒋丽萍3蓝海东12曹建涛12马鹏12
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.神华新疆能源有限责任公司,新疆 乌鲁木齐 830027
Author(s):
LAI Xing-ping12WANG Qing-song12JIANG Li-ping3LAN Hai-dong12CAO Jian-tao12MA Peng12
1.College of Energy Science and Engineering,Xi'an University of Science and Technology,Xi'an 710054,China; 2.Key Laboratory of Western Mine Exploitation and Hazard Prevention of Ministry of Education,Xi'an 710054,China; 3.Shenhua Xinjiang Energy Ltd.,Urumqi,830027,China
关键词:
急倾斜煤层 采空区结构特征 地质雷达探测 定量分析
Keywords:
steep coal seam structure characteristics of mined-out area geological radar detection quantitative analysis
分类号:
TD 166
文献标志码:
A
摘要:
急倾斜煤岩体结构和地质缺陷具有隐蔽性。历史性无序开采形成的采空区分布的不规则性严重影响安全开采。以神新小红沟煤矿急倾斜煤层开采区域空区分布规律预测与参数确定为目标。通过理论分析、GPR地面与地下立体联合探测,分析了+522水平B3和B6开采扰动范围内采空区结构特征。+522水平距五一煤矿巷道垂直距离约为35.0~35.5 m.B3巷1 214~1 232 m范围内空区覆岩破坏严重,多处出现破碎区。空区下部近似椭圆,上部似半椭球体结构,且空区已联通。1 232~1 250 m范围空区及覆岩破坏严重,局部区域积水量大,为现场开采设计与灾害防治提供科学依据。
Abstract:
Structure and geology of rock masses in steep coal seams has the character of concealment. The irregular distribution of goaf formed by the historically disordered mining seriously affected the safety of mining. The prediction and parameter identification ofgoaf distribution regularityin XiaoHongGou coal mine mining steep coal seam was the target. Through theoretical analysis and GPR ground and underground three-dimensional joint detection, the structure characteristics of goaf within the mining disturbance zone caused by the mining in +522 level B3 and B6 coal seams were analysed. The vertical distance between +522 level and WuYi coal mine was about 35.0~35.5 m.The overburden above the gob within the scope of B3 Lane 1 214~1 232 m was broken severely, broken zones existed in multiple places.The lower part of the goaf was approximate ellipse, the upper part like semielliptical sphere structure, and the empty zones had been closed. The destruction of goaf and overlying strata between the range of 1 232 m and 1 250 m was serious, and water amount was large at some location.

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备注/Memo

备注/Memo:
收稿日期: 2012-07-10
基金项目: 国家自然科学基金项目(10772144); 教育部博士点基金项目(20096121110001); 陕西省重点实验室资助项目(09JS018)
通讯作者: 来兴平(1971-),男,宁夏平罗人,教授,主要从事煤矿开采和煤岩动力学灾害预测与防治研究.
Corresponding author:LAI Xing-ping,Professor,Xi'an 710054,P.R.China,Tel:0086-13186187301,E-mail:lxptest@yahoo.com.cn
更新日期/Last Update: 1900-01-01