Then subsectional softening model and parameter of dilatancy were adopted based on crash creep characteristics of joined rock masses and supporting strength index of anchorage body were put forward.

• 然后,考虑巷道围岩的碎裂蠕变特性,研究采用了分段线性软化模型和剪胀特性参数,并探索提出了锚固体支护强度指标,定量考虑锚固围岩的强度效应;