Highway Tunnels

With the advancement of mechanized construction of highway tunnels, various new technologies and new equipment are gradually introduced into highway tunnel construction. This requires construction units to continuously improve their own mechanized construction levels of highway tunnels to ensure the

Based on the background of the highway tunnel under construction, this article expounds that the use of a fully computerized three-arm rock drilling jumbo (ZYS113) to excavate in the surrounding rock of grade IV of the tunnel not only ensures the excavation and blasting footage