EXCAVATED SOIL DISPOSAL METHOD AND PROCESSING WATER

• Main Authors: NAGAI FUMIHIRO, MIKI KEIZO, IZAWA MASAYOSHI, TANAKA YOSHIHIRO, MORI MICHIHITO
• Format: Patent
• Language: English
• Published: 13.08.2009
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; GALLERIES; LARGE UNDERGROUND CHAMBERS; MINING; SHAFTS; TUNNELS

PROBLEM TO BE SOLVED: To provide an excavated soil disposal method for preventing viscous soil contained in excavated soil from dissolving into water. SOLUTION: According to the excavated soil disposal method, processing water obtained by adding a nonionic thickening agent to water is fed into a cha...