Search & filter
Search & filter
Abstract: The Sakuma No.1 Tunnel is a road tunnel of 3,436m in length together with an evacuation tunnel, located on the border between Shizuoka and Aichi prefectures in Japan. This construction work (Urakawa Lot) consists of a -1,555meter main tunnel and a -1,575meter evacuation tunnel, which is constructed from the portal in Shizuoka prefecture. As a characteristic feature of this main tunnel, an...