So this theoretical formulation is the complement of the past theoretical achievement, and has offered a kind of new method for theoretical calculation of plastic area of surrounding rock of roadway.

 
  • 因此,该理论成果弥补了以往理论未考虑中间主应力的不足,也为巷道围岩塑性区的理论分析提供了一种新的理论计算方法。
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