| 研究生: |
廖純章 Liao, Chun-Chang |
|---|---|
| 論文名稱: |
以強制渦流沖蝕儀探討地工合成物之耐沖蝕行為 |
| 指導教授: |
黃景川
Huang, Ching-Chuan |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系 Department of Civil Engineering |
| 論文出版年: | 2005 |
| 畢業學年度: | 93 |
| 語文別: | 中文 |
| 論文頁數: | 109 |
| 中文關鍵詞: | 沖蝕磨損 、地工格網 、渦流沖蝕儀 、侵蝕控制 |
| 相關次數: | 點閱:66 下載:5 |
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本研究是以自行設計之直徑1.5 m、高0.8 m的渦流(vortex)沖蝕儀,進行沖蝕磨損試驗及剪應力量測試驗。沖蝕磨損試驗為模擬地工合成物於暴漲河川時受到砂石粒料的磨耗行為,並以時間、濃度等條件探討地工合成物的耐磨損特性。再嘗試以標準砂紙磨擦機予以量化地工格網的現地磨損評估。結果顯示,沖蝕磨損試驗及砂紙磨擦機對於格網的經向肋條有相似的磨耗行為,並可利用磨擦機量化地工格網初期磨損的評估。
剪應力量測試驗則針對三種代表性之侵蝕控制(Er-osion control)產品,量測不同粗糙度之試片在不同流速場中的剪應力值。並可根據此剪應力值做為設計之最大剪應力的參考。
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