Fully grouted bolts are a key component of the support system for underground openings. Although considerable effort has been made in the simulation of the reinforcement effect of the fully grouted bolts on the rock masses surrounding underground openings. most of the work has limited significance since the structural element approach is used. This study proposes a local homogenizatio... https://lockdownsecuritycanada.shop/product-category/blind-spot-detection-kit/