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本文通过力学分析，证明在软弱型软岩中锚杆失效的主要原因在于岩体的可锚性差，锚杆的锚固力得不到充分发挥
In this paper, mechanical analysis shows that the main reason for the failure of anchor in soft soft rock is the poor anchorage of rock mass and the incomplete anchorage of anchor