河川工学(1)

[II-171] Effects of rainwater draining directly from residential roof to streets on flows in city gutters

〇Hiroshi Gotoh¹, Mitsuo Yamashita^1,2, Kenji Okada³, Makoto Ishikawa⁴ (1.College of Science and Technology, Nihon University, 2.Civil Soft Developments, 3.Civil Soft Developments, 4.Japan Sewage Works Agency)

Keywords:roof drainage, road drainage, urban flooding, city gutters, semi-flat type sidewalk