Influence of voltage and temperature on electro-osmosis experiments applied on marine clay
发表时间:2019-03-12
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论文类型:期刊论文
第一作者:Xue, Zhijia
通讯作者:Tang, XW (reprint author), Dalian Univ Technol, State Key Lab Coastal & Offshore Engn, Dalian 116024, Liaoning, Peoples R China.
合写作者:Tang, Xiaowei,Yang, Qing
发表时间:2017-06-01
发表刊物:APPLIED CLAY SCIENCE
收录刊物:SCIE、EI、Scopus
文献类型:J
卷号:141
页面范围:13-22
ISSN号:0169-1317
关键字:Electro-osmosis; Voltage; Temperature; Horizontal shrinkage; Water
content; Shear strength
摘要:A series of electro-osmosis experiments were conducted to explore the effect of voltage and temperature on the electro-osmosis properties of marine clay, including current, average consolidation degree, horizontal shrinkage, shear strength, water content, and anode corrosion. As shown for the resistivity of marine clay, the temperature increased when the electro-osmosis phenomenon occurred. From mechanical and electro-chemical point of view, this study explained the differences in the average consolidation degree and horizontal shrinkage under various experimental conditions. Although a voltage loss appeared due to the anode corrosion, the high voltage and temperature were still found beneficial for the reduction of the soil water content and the increase of shear strength. Furthermore, the electro-osmosis effect at high voltage included the contribution of joule heating. (C) 2017 Elsevier B.V. All rights reserved.
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