| 高强度综放开采采动覆岩破坏高度及裂隙发育演化监测分析 |
| |
| 引用本文： | 张玉军,李凤明. 高强度综放开采采动覆岩破坏高度及裂隙发育演化监测分析[J]. 岩石力学与工程学报, 2011, 30(Z1): 2994-3001 |
| |
| 作者姓名： | 张玉军 李凤明 |
| |
| 作者单位： | (1. 天地科技股份有限公司 开采设计事业部，北京 100013；2. 煤炭科学研究总院 开采设计分院，北京 100013；;3. 煤炭科学研究总院唐山研究院，河北 唐山 063012) |
| |
| 基金项目： | 国家重点基础研究发展规划(973)项目(2005CB221503) |
| |
| 摘 要： | 以王坡煤矿为试验矿井，采用钻孔冲洗液漏失量观测和钻孔彩色电视系统，探测高强度综放开采覆岩破坏高度，并对监测到的裂隙发育演化进行数字化分析和相似模拟试验研究。研究结果表明：王坡煤矿高强度综放开采覆岩破坏高度为94.00～104.92 m；采动岩体裂隙分布的主要特点是裂隙发育以高角度甚至垂直岩层层面为主，裂隙的发育数量与埋深呈现二次方的递增形式，而裂隙宽度与裂隙数量的分布近似呈正态分布；开采过程中裂隙富集区主要集中在前后煤壁，上覆岩层裂隙密度分布曲线呈两端高中间低，形状如“马鞍”型。
|
| 关 键 词： | 采矿工程综放开采覆岩破坏裂隙监测 |
| 收稿时间： | 2010-02-25; |
MONITORING ANALYSIS OF FISSURE DEVELOPMENT EVOLUTION AND HEIGHT OF OVERBURDEN FAILURE OF HIGH TENSION FULLY-MECHANIZED CAVING MINING |
| |
| ZHANG Yujun,,LI Fengming. MONITORING ANALYSIS OF FISSURE DEVELOPMENT EVOLUTION AND HEIGHT OF OVERBURDEN FAILURE OF HIGH TENSION FULLY-MECHANIZED CAVING MINING[J]. Chinese Journal of Rock Mechanics and Engineering, 2011, 30(Z1): 2994-3001 |
| |
| Authors: | ZHANG Yujun LI Fengming |
| |
| Affiliation: | (1. Coal Mininng and Designing Department，Tiandi Science and Technology Co.，Ltd.，Beijing 100013，China；2. Mining and Designing Branch，China Coal Research Institute，Beijing 100013，China；3. Tangshan Research Institute，China Coal Research Institute，Tangshan，Hebei 063012，China) |
| |
| Abstract: | Taking Wangpo mine as the experimental mining,by borehole flushing fluid leakage and drilling colour television system,the height of overburden failure caving and fissure development evolution are monitoring.And then,the digital analysis and similarity simulation experiment of fissure development evolution are carried out.The research results show as followings:(1) The overburden failure height of high tension fully mechanized caving mining Wangpo mining is from 94.00 m to 104.92 m.(2) The main distribution... |
| |
| Keywords: | mining engineering fully mechanized caving mining overburden failure fissure monitoring |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《岩石力学与工程学报》浏览原始摘要信息 |
|
点击此处可从《岩石力学与工程学报》下载全文 |
