論文の公開元へ埋設管路屈曲部の力学挙動とスラスト対策工法の設計に関する研究
概要
1.1 Background
Water is essential for sustaining life on earth, including for humans’ societal and
technological development in both developed and developing countries. Notably, twothirds of the total water consumption in Japan is used for agricultural purposes. Two of
the most crucial uses are for irrigation of crops and vegetables and drainage systems of
many farms. The channels and pipes used in these systems span more than 400,000 km,
linked in a nationwide network. Additionally, many agricultural water facilities are used
as public infrastructure, accommodating emergency purposes, such as firefighting and
backup drainage systems during heavy rainfall.
In recent years, Japan’s irrigation facilities have faced two main challenges: resiliency
against natural disasters and structural aging. Several large earthquakes have severely
damaged many agricultural facilities in the past decades. For example, as shown in Fig. ...
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