| 开采对底板岩体渗透性的影响 |
| |
| 引用本文： | 李兴高,高延法.开采对底板岩体渗透性的影响[J].岩石力学与工程学报,2003,22(7):1078-1082. |
| |
| 作者姓名： | 李兴高 高延法 |
| |
| 作者单位： | 1. 北方交通大学土建学院,北京,100044
2. 山东科技大学矿压研究所,泰安,271019 |
| |
| 摘 要： | 受奥灰水威胁，煤层“带压开采”的关键是必须搞活底板岩体的破坏机理，确定底板岩体的破坏深度。而确定底板岩体的破坏深度通常是依据其渗透性的改变进行的。底板岩体渗透性的改变和底板岩体的应力场密切相关。利用现场实测数据；岩石力学参数和位移反分析的方法，确定了赵各庄矿1237工作面的底板应力场，进而确定了底板岩体的渗透系数，最后，具体分析了底板应力场和渗透系数的关系。
|
| 关 键 词： | 采矿工程 底板 渗透性 位移反分析 岩石力学 位移 |
| 文章编号： | 1000-6915(2003)07-1078-05 |
| 收稿时间： | 2001-10-12 |
| 修稿时间： | 2001年10月12 |
INFLUENCE OF MINING ON FLOOR INFILTRATION COEFFICIENTS |
| |
| Li Xinggao. Gao Yanfa.INFLUENCE OF MINING ON FLOOR INFILTRATION COEFFICIENTS[J].Chinese Journal of Rock Mechanics and Engineering,2003,22(7):1078-1082. |
| |
| Authors: | Li Xinggao Gao Yanfa |
| |
| Abstract: | The key of mining the coal seam threatened by confined water in Ordovician limestone is the understanding of the failure mechanism of floor rockmass and determination of affecting depth by mining. The affecting depth is usually acquired according to the change of permeability in floor rockmass. The permeability of the floor rockmass is closely related to the stress field of floor rockmass. Based on in-situ measured data, mechanical parameters of rock and method of displacement back analysis, the floor stress field of coal face No. 1237 in Zhaogezhuang Mine is firstly given, then the permeability coefficients of floor rockmass is computed, and lastly the relationship between stress field and permeability coefficients is determined. |
| |
| Keywords: | mining engineering floor failure mechanism displacement back analysis rockmass permeability coefficient |
| 本文献已被 CNKI 维普 万方数据 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 |
