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    Please use this identifier to cite or link to this item: http://chur.chu.edu.tw/handle/987654321/25237


    Title: 模擬流場中不同流速梯度之土壤沖刷反應研究
    Authors: 陳湘媛
    Chen, Shiang-Yuarn
    Contributors: 景觀建築學系
    Landscape Architecture
    Keywords: 關鍵詞：模擬流場;流速梯度;生態工法;河溪整治
    Keyword: Simulated channel;Velocity gradients;Ecological Engineering;Streams rectification
    Date: 2008
    Issue Date: 2014-06-26 19:56:15 (UTC+8)
    Abstract: 摘要
    本研究係利用模擬流場實驗，探討不同流速梯度下裸露河溪之土壤沖刷反應，以與植生河床之沖刷反應做比較，俾以瞭解河溪土壤本身抗沖刷之耐受極限與反應機制，以及植被對河床或護岸土壤產生的保護作用，可以更精確掌握河溪整治工程中正確的河床與護岸處理技術，提供河岸邊坡工程設計施工時的參考依據。研究利用壓克力雙槽式模擬流場，分實驗組與對照組進行不同流速梯度之比較，初步實驗發現，在裸露流場表面會自行形成藻墊，但形成時間較植被流場為慢，藻墊對土壤表層之坋土具有保護作用。由於一般認為植被對河溪的土壤具有保護作用，本研究擬於
    Abstract
    This study was carried out in a simulated channel. We firstly investigated the eroded response of a naked riverbed with different flow velocities. Next, the outcome was compared with that of a planted riverbed for examining the tolerant limitati
    Appears in Collections:[Department of Landscape Architecture] Seminar Papers

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