【摘要】 在研究综采工作面围岩应力与工作面支架支撑力之间相互作用关系的基础上,将支架与围岩视为一个系统,通过研究综采工作面支护系统及其作用特点,对影响支护系统可靠性的几个主要因素进行了分析;并采用工程系统可靠性分析方法,建立了综采工作面支护系统极限状态方程,提出了综采工作面支护系统可靠性的计算方法。更多还原

【Abstract】 Based on the relation of wall rock pressure and hydraulic support holding power, the support and wall rock are regarded as one system.Through studying the support system of fully mechanized working face and its characters,the main factors that affect support system reliability are analyzed.The project system reliability analysis method is adopted.The limit state equation is established.The calculation method of fully mechanized working face support system reliability is pointed out.更多还原