일본의 Tunnel기술

On the Tunneling technique in Japan

The Tunneling Technique has been developing highly in Japan. Induced NATM pattern is ap-plied as it-self but is an apportunity to upgrade technologes of Concernning. As a result, Nonnel system as Laser marking system is significant developed result. Japan-Korea Tunnel leasing by international High way project is regarded hope-full for the world peace. It has described Euro-Tunnel too.