Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短锚杆群支护碎裂岩石中耙道的原理及实施效果。

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This paper deduced the formulae to calculate the parameters of shotcreting and bolting in three types of surrounding-rock-loosened ring individually from the theory of surrounding rock loosened ring.

以围岩松动圈理论为依据，分别对三类围岩松动圈的巷道围岩全长胶结锚杆的锚喷支护参数进行了公式推导及计算。

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The principles and measuring method are dealt with for fast estimation of stresses in loosened and broken rock in the paper on the basis of field measurement, lab. Modeling and theoretical analysis.

本文在对钻屑法通过现场实测，实验室模拟和理论研究的基础上，提出用于快速估测松碎岩体应力的基本原理和实测技术。

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