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題 名 | 鹽份傳輸砂箱模擬與對土壤力學性質影響=Salt Transport Simulation Using Sand Box Model and Effects on Soil Mechanics Properties |
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作 者 | 葉一隆; 黃致豪; 陳泰憲; 蔡宜庭; 葉俊佑; | 書刊名 | 農業工程學報 |
卷 期 | 48:2 2002.06[民91.06] |
頁 次 | 頁54-58 |
分類號 | 434.223 |
關鍵詞 | 砂箱模擬; 鹽份傳輸; 凝聚力; 壓縮係數; Sand box model; Salt transport; Cohension force; Coefficient of compressibility; |
語 文 | 中文(Chinese) |
中文摘要 | 在沿海地區因養殖業密集抽取地下水而造成海水入侵及土壤鹽化問題,因土壤鹽化將導致土壤力學性質改變。本文在探討場置性鹽水區(如海水養殖池)之鹽份傳輸與其對土壤力學性質之影響。由砂箱模擬結果可知鹽份在垂直方向之速率較水平方向大。鹽份濃度對土壤力學性質之影響,由試驗結果得知隨土樣浸泡鹽份濃度之增大土壤顆粒之凝聚力有遞減之趨勢,而壓縮係數則遞增。 |
英文摘要 | In coastal areas, intensive groundwater pumping for aquaculture usually causes seawater intrusion and salty soil, which change the physical properties of soil. This paper investigates the influence of salt transport on the physical properties of soil by salty water percolation. From the results of sand box experiments, the velocity of salt transport in vertical direction is greater than of the horizontal direction. As for the effect on the physical properties of soil, the result indicates that when salt concentration increases, the cohesion force of soil particles decreases and the coefficient compressibility increases. |
本系統中英文摘要資訊取自各篇刊載內容。