摘要
从地应力、瓦斯和煤体力学结构性质3方面对采煤工作面煤的突然压出机理进行了研究和探讨。通过分析采煤工作面应力、瓦斯压力分布规律,详细论述了煤体的破坏及失稳原理,并基于矿山压力和关键层理论重点分析了采煤工作面回采时煤的突然压出的原因及特点。
Study and exploration were made on the extruding mechanism of coal in the working face from three aspects including ground stress,the properties of the mechanical structure of gas and coal body.Based on the analysis of the distribution regularity of stress and gas pressure in the working face,this paper gave a detailed description of the failure and destabilizing principle of coal body and made an emphatic analysis of the causes and characteristics of sudden extruding of coal in the working face during winning according to the theory of underground pressure and key seams.
出处
《矿业安全与环保》
北大核心
2008年第B12期80-82,85,共4页
Mining Safety & Environmental Protection
