APPARATUS FOR INJECTING MULTICOMPONENT CONSOLIDATING COMPOSITION - STELMAKH NINA P,SU; GOTS OLGA I,SU; DOLOTKIN YURIJ N,SU; EFIMENKO ALEKSANDR A,SU; SMOLIN VIKTOR V,SU (1985)
Keywords: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS