Influence of Leachate on Properties and Regions of Compacted Clay Layer: A Column Experiment

doi:10.1080/15320383.2019.1650002

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	Influence of Leachate on Properties and Regions of Compacted Clay Layer: A Column Experiment
	Guo, Yuliang ; Cao, Liwen ; Feng, Xuehan ; Liu, He
	2019
发表期刊	SOIL & SEDIMENT CONTAMINATION
ISSN	1532-0383
卷号	28 期号:7 页码:684-694
摘要	This study examines the properties of clay in contact with leachate from municipal solid waste at different depths in the clay column, based on experiments using a physical model. The parameters of the clay microstructure were quantitatively measured. Changes in the clay properties were determined based on the seepage process and reactions of leachate with the clay. Results indicate that there are three zones in the clay column from top to bottom: region in contact with the leachate, region where chemical reactions take place and an unaffected region. In this study, it shows that there is a critical threshold seepage depth which influences the properties of the compacted clay. That is, there are distinct changes in clay properties with depth. The critical threshold depth of the clay column in this study is 23 cm, that is, the amount of leaching is the highest at the depth of 23 cm, which has the most detrimental impact on the clay properties.
关键词	Compacted clay layer changes in properties leaching contamination process seepage
DOI	10.1080/15320383.2019.1650002
收录类别	SCI
语种	英语
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
WOS记录号	WOS:000479235700001
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://119.78.100.198/handle/2S6PX9GI/14917
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.China Univ Min & Technol, Sch Resources & Earth Sci, 1 Univ Rd, Xuzhou 221116, Jiangsu, Peoples R China; 2.Univ Chinese Acad Sci, Inst Rock & Soil Mech, Wuhan, Hubei, Peoples R China
推荐引用方式 GB/T 7714	Guo, Yuliang,Cao, Liwen,Feng, Xuehan,et al. Influence of Leachate on Properties and Regions of Compacted Clay Layer: A Column Experiment[J]. SOIL & SEDIMENT CONTAMINATION,2019,28(7):684-694.
APA	Guo, Yuliang,Cao, Liwen,Feng, Xuehan,&Liu, He.(2019).Influence of Leachate on Properties and Regions of Compacted Clay Layer: A Column Experiment.SOIL & SEDIMENT CONTAMINATION,28(7),684-694.
MLA	Guo, Yuliang,et al."Influence of Leachate on Properties and Regions of Compacted Clay Layer: A Column Experiment".SOIL & SEDIMENT CONTAMINATION 28.7(2019):684-694.

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