【摘要】 支护作为维护巷道安全的一个重要环节,必须进行不断的优化设计。讨论支护的受力变形和破坏状态,采用现场监测和数值模拟的方法进行研究,探讨最理想的支护情况,从而保证煤矿的安全运营、提高经济效益。更多还原

【Abstract】 Supporting as an important part of maintaining the safety of the tunnel,must carry on the continuous optimization design. The stress state of the support is discussed, and the method of field-test and numerical simulation were combined to study the optimal support conditions,and to ensure the safety business of coal mining and the purpose of improving economic benefit.更多还原