中文摘要
減少橋墩橋台沖刷對於橋樑的安全是非常重要的，以往學者在研究這方面的課題時，皆用剛性的保護工法，如拋石、蛇籠等，本文提議採隔板應用於橋台沖刷保護之方式，藉由隔板適當的設置，改變水流流場，來降低水流沖刷之能力。
本試驗於清水沖刷條件下，於橋台突出端附近設置單一個隔板，藉由實驗，探討出隔板於橋台沖刷保護最佳之設置。由試驗結果顯示：隔板布置角度約為135度，寬度為63cm，隔板與橋台的間距為0cm，入水深度為1cm時，橋台沖刷能力僅為無隔板保護之0.01，其最大之保護效果為99％。

ABSTRACT
The objective of this study is to reduce scour depth of abutments for protecting the bridge. To reduce scour around bridge abutments. Direct methods are used in literature, dealing with abutments-scour problems, such as placed rocks, riprap or flexible mattresses around the abutment foundation. This studies an indirect one that examines the effect of using submerged panels around the abutment.
Experiments conducted in clear-water conditions. The angle of the panel is 135°, the width of the panel is 63 cm, the distance between panel and abutment equal to 0 cm, depth of panel with the submerged water is 1 cm. They can reduce scour depth as much as 99% in final equilibrium.

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