Assessment of rock mass characteristics and the excavation disturbed zone in the Lingxin Coal Mine beneath the Xitian river, China
Assessment of rock mass characteristics and the excavation disturbed zone in the Lingxin Coal Mine beneath the Xitian river, China
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DOI：
10.1016/j.ijrmms.2005.10.005
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发表时间：
2006-06
影响因子：
7.2
通讯作者：
X. Lai;M. Cai;F. Ren;M. Xie;T. Esaki
中科院分区：
文献类型：
--
作者：
X. Lai;M. Cai;F. Ren;M. Xie;T. Esaki
煤矿安全生产和诱发灾害防治主要涉及采掘扰动区(EDZ)的问题，但煤矿开采也会对环境产生重大影响。使用钻孔电视观看系统、电测井和钻井液泄漏监测的综合技术提供了识别不断变化的地质条件和附近任何废弃采矿作业的位置的能力。确定了上覆煤层开采后的内部塌陷带和导水裂隙带扩展高度及其空间分布。L3414工作面，西田河下灵心煤矿，中国。将时间函数与概率积分方法相结合，建立了基于随机模型的动态沉陷预测的地理信息系统集成系统，并在灵心煤矿进行了实践验证。这一事态发展极大地扩大了矿山经营者确定以前无法进入的矿山区域的能力，为安全采矿和防止诱发危险提供了可靠的基础，以确保在河床下进行高产采矿。
Safe production and induced hazard prevention in coal mines mainly concern problems in the excavation disturbed zone (EDZ), but coal mining can also make a significant impact on the environment. Comprehensive techniques using a borehole TV viewer system, electrical logging, and monitoring of drilling fluid leakage offer the ability to identify changing geological conditions and the location of any nearby abandoned mining workings. The inner collapsed zone and the expanding height of the crack zone transmitting water plus their spatial distribution after excavating the superincumbent coal seam stratum are determined at no. L3414 workings, Lingxin Coal Mine beneath the Xitian river, China. An integrated system of GIS-based on a stochastic model, which has been developed for the prediction of dynamic subsidence coupling the time function and probabilistic integral method, is verified through practice at the Lingxin Coal Mine. This development has greatly expanded the ability of the mine operator to characterize previously inaccessible areas of the mine, providing a reliable basis for safe mining and prevention of induced-hazards to ensure high production mining underneath the river bed.