浸水のライフラインへの影響に関する地形的要因の分析

概要

論文の詳細を見る
By the recent typhoon and concentrated downpour, a heavy rain exceeding assumption precipitation greatly occurs nationwide. The inundation by the heavy rain is generated in the city too. In the case that an buried pipe is very old, by invasion of the water to the pipe by the inundation, the drop of the lifeline function may happen. As measures to such a worry, the progress of the maintenance business to change old pipes for new pipes is hoped. When there is much exchange amount of resources, it is thought that it is effective in disaster prevention security that a high-risk area about inundation is given priority to. In this paper, the space correlation of factor data is analyzed with GIS. As a result, a high-risk area of the inundation to affect a lifeline function is evaluated by a geographical viewpoint.