Bolt timely support and reinforcement of rock, the rock-solid form block to prevent the deformation of the rock anchor and undermine development. This paper analyses the bolt supporting the importance of timely and timely installation of the importance of fastening nut.%锚杆及时支护,加固围岩,使崮岩形成挡固层,防止了被锚固围岩的变形和破坏发展.本文分析了锚杆及时支护的重要件及及时安装紧固螺母的重要意义.
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