室内水平电渗排水试验研究
摘要:根据多次室内试验,大致掌握了不同电势梯度下非饱和黏性土的水平电渗排水规律,从电渗排水量、排水速率、土体电阻、能量消耗、电渗透系数、耗能系数等方面对电渗进行曲线分析,通过分析大致判断电渗排水的终止条件,可以对未来电渗法的实际操作给出一定的理论依据。试验结果表明:随着通电时间的增加,土体的电阻增大,其电流减小,导致电渗排水的速率降低,出于节能的考虑,可以在电渗末期停止通电,这样做既节能又有利于电渗排水的效果。
Abstract:According to a lot of laboratory tests,generally master the law of level electro-osmotic drainage of the unsaturated cohesive soil with different electric potential gradient. Do some electro-osmosis curve analysis about the aspects of electro-osmosis displacement, drainage rate, soil resistance, coefficient of permeability of electricity, energy consumption and energy dissipation coefficient. The theoretical basis about electro-osmosis method for the future of the actual operation is given according to the termination conditions of electro-osmotic drainage determined by the analysis approximately. The results show that soil resistance increases and electric current decreases with the increase of conduction time. It leads the decrease of the electro-osmotic drainage rate. Electricity can be stopped in the end of electro osmosis for reasons of energy saving. It benefits electro-osmotic drainage and saves energy.
中文标题:
室内水平电渗排水试验研究
Experimental Study of Electro-osmotic Test
作者:
王宁伟1,2,韩旭1,张雷2
Wang Ningwei1,2,Han Xu1,Zhang Lei2
作者简介:王宁伟,1964年生,男,教授,博士生导师,主要从事滩涂固化、地基处理、深基坑工程支护结构设计等方面的研究工作。E-mail:svwnw@163.com
通讯地址:
1. 沈阳建筑大学土木工程学院, 辽宁沈阳 110168; 2. 中国地震局工程力学研究所, 黑龙江哈尔滨 150080
1.SchoololClvilEngineering,ShenyangJianzhuUniversity,Shenyang110168,Liaoning,China; 2.InstituteofEngineeringMechanics,ChinaEarthquakeAdministration,Harbin1500809Heilongjiang,China
中图分类号:TU411
doi:10.3969/j.issn.1007-2993.2014.05.010
出版物:岩土工程技术
收稿日期:2014-01-17
网络出版日期:2021-07-19
关键词:水平电渗,电渗透系数,耗能系数,土体电阻,终止现象
Key words:levels of electro-osmosis,electric permeability coefficient,energy coefficient,soil resistance,termination phenomenon
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