Presentation Information

[VI-480]Measures Against Combined Deterioration in the sidewall concrete of the Sasago Tunnel Maintenance walkway.

*Hiroyuki Nishida1, Mamoru Moriyama2, Satoshi Tomoto3, Nishimura Masanori4 (1. NIHON-SAMICON CO.,LTD. , 2. DEROS JAPAN CO., LTD., 3. CTI Engineering Co., Ltd., 4. Central Nippon Expressway Company Limited)

Keywords:

Tunnel,Maintenance walkway,Tile,Drop,Spalling,Rehabilitation technique