カスケード方式頭首工の水理特性に関する実験的研究

概要

論文の詳細を見る
Wadashima Head Work in Shizuoka prefecture was constructed as a Cascade Type Head Works with a series of water cushions made an application of design methods for water cushion type torrent intakes. In this paper, through the model test, the hydraulic characteristics of cascade type head works were clarified. The results agreed well with the existing work. Supercritical flow formed in the upstream cascade when water discharge was increasing and flow conditions in the downstream cascade were influenced by the structure of bed protection works that two different types of blocks made a water pool downstream of the last cascade. The effective hydraulic dimensions were that the depth of the pool was 600 mm equal to 60% of the drop height and the volume of the pool was 1.25-1.5 times of the cascade cushion. In decision of cascade dimensions, it was proposed to apply two kinds of design discharge considering structural safety and hydraulic characteristics.
明治大学の論文
2005-03-30