2024-03-29T11:27:29Z
https://kitami-it.repo.nii.ac.jp/oai
oai:kitami-it.repo.nii.ac.jp:02000323
2022-12-13T02:22:48Z
1
連続帯工群を敷設した直線河道における交互砂州の挙動
早川 博
後藤 悠和
水上 雄樹
Riverbed girdles are one of the consolidation works to prevent bed-degradation and local scour around
foundation of revetment in middle and small river channels. This study deals with fluctuations of alternate
bars through a series of riverbed girdles in a straight alluvial river. Although the plane shape of riverbed
girdle is basically set straight across the channel, we test some kinds of upstream- or downstream-pointing
V-shaped weirs for the purpose of maintaining the alternate bars under this channel condition. In order to
estimate the functions of a series of riverbed girdles, we apply two-dimensional numerical model Nays2DH
and verify the effects of maintaining alternate bars by the experimental study. In cases with series of
upstream-pointing V-shaped type with interior angle 80 degree, it is shown that the alternate bars are
maintained without becoming extinct.
journal article
土木学会
2016
application/pdf
河川技術論文集
22
199
204
https://kitami-it.repo.nii.ac.jp/record/2000323/files/22_199.pdf
jpn
https://doi.org/10.11532/river.22.0_199
c2016 土木学会