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題名 | 軟弱土層電力滲透穩定研究=Stabilization of Soft Clay Layer by Electroosmosis Method |
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作者 | 張家齊; 鍾春富; 蔡錦松; Chang, Jia-chyi; Chang, C. F.; Tsai, J. S.; |
期刊 | 高苑學報 |
出版日期 | 19960200 |
卷期 | 5:1 1996.02[民85.02] |
頁次 | 頁205-213 |
分類號 | 441.12 |
語文 | chi |
關鍵詞 | 電力滲透; 電滲化學硬化; 土壤穩定; Electroosmosis; Electroosmosis chemical hardening; Soil stabilization; |
中文摘要 | 軟弱土層槽溝挖掘時,壁面易崩塌,造成施工困難。本文利用電力滲透及電滲化 學硬化原理,探討軟弱土層連續壁槽溝挖掘時槽溝壁面穩定性。研究結果顯示:電力滲透及 電滲化學穩定對槽溝壁面均可有效減小或防止壁面崩落,而以電滲化學穩定效果較佳。但是 電力滲透受限於土壤壓密係數影響,需要較長時間來完成壓密作用,以增加土壤剪力強度, 現場觀測結果發現,由於土壤含水往負極集中,穩定了壁面,卻無法免除靠近負極土壤過度 含水之軟化現象。 |
英文摘要 | Slurry wall trench is easy to collapse when excavating in a soft clay layer and the construction work thus becomes more complecated. This paper presents a stabilization method of soft clay layer by using electroosmosis chemical harding when excavating a slurry wall trench. The result shows that both methods can decrease or even prevent the collapse of trench wall face and the electroosmosis chemical hardening method has the better effect on soil stabilization. It also shows from insitu data that although the water in soil moving toward the cathode can stabilize the wall face, but cannot avoid the soil-softening at the cathode due to highly moisture content. |
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