都市水害に起因する道路交通障害について : 京都市域を対象として

概要

論文の詳細を見る
This study treats the degree and characteristics of traffic difficulties caused by urban flood inundation. The studied area is Kyoto City, Japan. First, in the normal condition, traffic assignment is performed and traffic density is computed. Next, assuming the overflow from the river, inundation flow analysis is executed to obtain the inundation depth distribution. The similar traffic analysis is performed in the inundation condition, by changing run speed and traffic capacity based on the computed inundation depth of each link. Then, a degree of congestion and lead time between two spots are compared and discussed for the normal condition and the inundation one. As a result, it is found that inundation in the south part of city, especially along National highway No.1, has huge effect on the traffic network of all over the city.
日本自然災害学会の論文
2007-08-31