Chrome Extension
WeChat Mini Program
Use on ChatGLM
VIPCreated with Sketch.

厚层坚硬顶板离层发育特征与水害成因机理

Zhouxin ZHANG,Qimeng LIU,Zhouyang JIN

Journal of Heilongjiang Institute of Science and Technology（2014）

Cited 0|Views2
No score
Abstract
针对部分区域矿井离层水害严重的问题,结合淮北杨庄矿水文工程地质条件和开采条件,采用离散元数值模拟方法,研究厚层坚硬覆岩下离层发育特征及其动力突水机理.结果表明:离层在发育过程中受岩浆岩的支撑作用和应力重分布的影响呈现移动拱形特征;火成岩的冲击性破断和充足的离层水源是发生突水事故的关键因素.该研究为同类地质条件矿井的离层水害防治提供了有益参考.
More
Key words
coal roof,bed separation,development features,water inrush and inflow,numerical simulation
AI Read Science
Must-Reading Tree
Example
Generate MRT to find the research sequence of this paper
Chat Paper
Summary is being generated by the instructions you defined