| 研究生: |
林晏平 Lin, Yan-Ping |
|---|---|
| 論文名稱: |
潛沒式筐網於彎道沖刷控制研究 Submerged CKPB for Scouring Control in the Bend Channel |
| 指導教授: |
黃進坤
Huang, Chin-Kun |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 水利及海洋工程學系 Department of Hydraulic & Ocean Engineering |
| 論文出版年: | 2012 |
| 畢業學年度: | 100 |
| 語文別: | 中文 |
| 論文頁數: | 126 |
| 中文關鍵詞: | 成功筐網 、彎道保護 、透水結構物 |
| 外文關鍵詞: | CKPB, bend channel, porous structure |
| 相關次數: | 點閱:115 下載:1 |
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本文主要內容是在彎道動床試驗中,於環形渠道設置潛沒式成功筐網(CKPB)導流工法來保護彎道凹岸。本文的試驗過程為清水沖刷,本文試驗的內容主要是針對主筐網上游設置潛沒式「成功筐網」,對於設置於主筐網(主筐網代號:O)上游的副筐網(副筐網代號:A、B、C),進行不同參數條件下的試驗(離岸距、長度、角度)。經由試驗結果顯示,排間距為8 cm時,最大刷深值7.65 cm以及最小刷深值-0.85cm為最佳。副筐網A離岸距為0時,最大刷深值9.6 cm以及最小刷深值2.6 cm為最佳。副筐網B離岸距為0 cm時,最大刷深值8.3 cm為最佳;離岸距為2 cm時,最小刷深值3.2 cm為最佳。副筐網C長度為2 cm時,最大刷深值8.3 cm為最佳;長度為6 cm和8 cm時,最小刷深值2.6 cm為最佳。副筐網A_1 B_2角度為30度時,最大刷深值7.75 cm為最佳;角度為60度時,最小刷深值1.6 cm為最佳。副筐網C_4角度為90度時,無論最大刷深值9.2 cm,最小刷深值2.6 cm皆為最佳。
This paper is about protecting the bend channel by Submerged Cheng-Kung Porous Basket (CKPB) in the bend channel. In this paper, we set up Submerged CKPB of the OP’s upstream, and setting parameters to observed the scouring control in the bend. The result tell us the best, Row-Spacing = 8 cm, the Max-depth = 7.65 cm, the min-depth = -0.85 cm; Ld(A) = 0 cm, the Max-depth = 9.6 cm and the min-depth = 2.6 cm; Ld(B) = 0 cm, the Max-depth = 8.3 cm and Ld(B) = 2 cm, the min-depth = 3.2 cm; L(C) = 2 cm, the Max-depth = 8.3 cm, L(C) = 6 cm or 8 cm, the min-depth = 2.6 cm; Deg(A_1 B_2) = 30∘, the Max-depth = 7.75 cm, and Deg(A_1 B_2) = 60∘, the min-depth = 1.6 cm; Deg(C_4) = 90∘,the Max-depth = 9.2 cm, the min-depth = 2.6 cm. the protection for scouring control in the bend channel is excellent.
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