【摘要】 本文简要地介绍现代巷道支护的基本原理及巷道岩体应力与变形，确定巷道支护曲面的特征状态。更多还原

【Abstract】 This paper briefly deals with the basic principle of the modern roadway support and the method of determining the state peculiar to roadway support curved surface on the basis of stress and deformation in rock-mass of roadway.更多还原