Testing the hydraulic conductivity of degraded municipal solid waste in China

被引：3

作者：

Wang, Yingfeng ^{[1
]}

Zhang, Zhenying ^{[1
]}

Xu, Hui ^{[1
]}

Wu, Dazhi ^{[1
]}

He, Xinyu ^{[2
]}

Fang, Yuehua ^{[1
]}

Zhang, Yuxiang ^{[1
]}

机构：

[1] Zhejiang Sci Tech Univ, Sch Civil Engn & Architecture, Hangzhou, Peoples R China

[2] Zhejiang Sci Tech Univ, Sch Fash Design & Engn, Hangzhou, Peoples R China

来源：

ENVIRONMENTAL GEOTECHNICS | 2021年 / 8卷 / 06期

基金：

中国国家自然科学基金;

关键词：

geoenvironment; landfills; seepage; LANDFILL; LEACHATE; TRANSPORT;

D O I：

10.1680/jenge.18.00205

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

This paper presents a study on the hydraulic conductivity of degraded municipal solid waste (MSW) and its variations with different degradation ages, using a self-made combined permeability-compression test apparatus to perform hydraulic conductivity tests. The principal outcomes were as follows. (a) The hydraulic conductivity decreased gradually with increases in the pressure, density and degradation age. The relationship between the logarithmic hydraulic conductivity and each parameter could be formulated as a linear function, and the fitted coefficients were >0.92, >0.88 and >0.79, respectively. (b) A hydraulic conductivity-pressure-density-degradation age mathematical model was established. These results can be used to provide an empirical basis to analyse the hydraulic conductivity of MSW landfills and design leachate drainage systems in China.

引用

页码：408 / 415

页数：8

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