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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/36419

    Title: 土壤-地工織物系統過濾行為初探
    Other Titles: Filtration Behavior of Soil-Geotextile System
    Authors: 吳朝賢;方錫文
    Contributors: 淡江大學土木工程學系
    Date: 1997-08
    Issue Date: 2010-01-11 10:54:18 (UTC+8)
    Publisher: 臺北市 : 中國土木水利工程學會大地工程委員會
    Abstract: 為模擬現地壓應力作用於以地工合成物為過濾材之系統的過濾行為,本研究修改ASTM 坡降比試驗儀;經由特定之土壤與織物組合體,進行儀器施測及初步試驗。水力坡降,正向應力為本實驗之控制因子。經由量測滲流管內不同位置土壤層之水頭差,可計算鄰近織物之土壤層及較上方土層之水力坡降比;及各不同位置土層之滲透係數。試驗結果顯示,不同土壤配比與織物組合之過濾系統,在不同水力坡降下試驗,系統阻塞或遮蔽程度不盡相同;而加入漂白水可有效遏止物理阻塞之作用。以階段性施加正向應力於土壤試體,當新的過濾層形成時,阻塞或遮蔽程度較原過濾層嚴重。
    Preliminary results of an experimental program investigating the primary influence variables in soil-geotextile filtration system are reported. An apparatus modified from Calhoun device is used to implement simulation of boundary and environmental conditions encountered in the field applications. Filtration behavior of the system under influences of the hydraulic gradient, application of normal stress were investigated.
    Relation: 第七屆大地工程學術研究討論會論文集(第二冊)=Proceedings of the seventh conference on current researches in geotechnical emgomeeromg in Taiwan,頁689-696
    Appears in Collections:[Graduate Institute & Department of Civil Engineering] Proceeding

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