設計技術 (3)

[VI-48] Disaster Restoration Project of National Highway 41 in Kadosaka, Osaka-cho, Gero City, GIfu, Japan, Damaged by Trrential Rain in July 2020(NO.1)
-Overview of the affected area and disaster-causing mechanism-

*Takafumi Fujii¹, Masanori Yamaguchi¹, Masashi Kaba², Michio Tamura² (1. Dainichi Consultant, 2. Takayama National Highway Office, Chubu Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism)

Keywords:road disaster, disaster restoration, disaster-causing mechanism, riverbed scour, horizontal two-dimensional flow analysis