GERMAN “KUNG METHOD” FOR EXCAVATING TUNNELS GUIDE FOR THE CONSTRUCTION OF TUNNELS IN UNSTABLE ROCK

摘要

This Investigation was made to obtain data on design and con¬struction methods followed by the Germans in their use of the Kunz Ring in tunneling and general underground operations.nThis report covers primarily basic theoretical information ob¬tained from Alfred Kunz and Company, Munich, Germany, through Alfred Kunz, Director of the Firm.