Variation of the hydraulic conductivity of Boom Clay under various thermal-hydro-mechanical conditions

doi:10.1016/j.enggeo.2016.07.013

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	Variation of the hydraulic conductivity of Boom Clay under various thermal-hydro-mechanical conditions
	Gong, Zhe 2; Ma, Yong-Shang 2,3; Chen, Wei-Zhong 1; Yu, Hong-Dan 2; Li, Xiang-Ling 4
刊名	ENGINEERING GEOLOGY
	2016
卷号	212 页码:35-43
关键词	Boom Clay Hydraulic conductivity Intrinsic permeability THM effects Heating-cooling cycle Loading-unloading cycle
ISSN号	0013-7952
DOI	10.1016/j.enggeo.2016.07.013
英文摘要	In this paper, an experimental study is presented that intended to investigate (1) the anisotropy properties of hydraulic conductivity of Boom Clay, (2) the effect of heating-cooling cycle on the hydraulic conductivity and intrinsic permeability of Boom Clay, and (3) the effect of loading-unloading cycle on the hydraulic conductivity and intrinsic permeability of Boom Clay. Constant-head tests were carried out in a temperature-controlled triaxial cell. First, the anisotropic characteristic of hydraulic conductivity of Boom Clay with respect to its bedding was confirmed. The horizontal hydraulic conductivity (parallel to bedding) is larger than the vertical hydraulic conductivity (perpendicular to bedding). Second, there was a positive and reversible relationship between the hydraulic conductivity and temperature and a negative and irreversible relationship between the hydraulic conductivity and hydrostatic pressure. Specifically, for both horizontal and vertical hydraulic conductivity, the value at 80 degrees C is approximately 2.4 times larger than that at room temperature (23 degrees C). However, it appears that the hydraulic conductivity is not sensitive to heating rate. Data analysis reveals that under variable temperature conditions, the changes in viscosity and density of water with temperature are the main factors affecting the change in hydraulic conductivity of Boom Clay with temperature, although other factors may have an effect to some extent. (C) 2016 Elsevier B.V. All rights reserved.
WOS研究方向	Engineering ; Geology
语种	英语
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000385600200004
内容类型	期刊论文
源URL	[http://119.78.100.198/handle/2S6PX9GI/3929]
专题	岩土力学所知识全产出_期刊论文国家重点实验室知识产出_期刊论文
作者单位	1.Shandong Univ, Res Ctr Geotech & Struct Engn ; 2.Chinese Acad Sci, State Key Lab Geomech & Geotech Engn, Inst Rock & Soil Mech ; 3.Univ Chinese Acad Sci ; 4.EIG Euridice EURIDICE, European Underground Res Infrastruct Disposal Nuc
推荐引用方式 GB/T 7714	Gong, Zhe,Ma, Yong-Shang,Chen, Wei-Zhong,et al. Variation of the hydraulic conductivity of Boom Clay under various thermal-hydro-mechanical conditions[J]. ENGINEERING GEOLOGY,2016,212:35-43.
APA	Gong, Zhe,Ma, Yong-Shang,Chen, Wei-Zhong,Yu, Hong-Dan,&Li, Xiang-Ling.(2016).Variation of the hydraulic conductivity of Boom Clay under various thermal-hydro-mechanical conditions.ENGINEERING GEOLOGY,212,35-43.
MLA	Gong, Zhe,et al."Variation of the hydraulic conductivity of Boom Clay under various thermal-hydro-mechanical conditions".ENGINEERING GEOLOGY 212(2016):35-43.