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Intrinsic and relative permeabilities of shredded municipal solid wastes from the Qizishan landfill, China

Intrinsic and relative permeabilities of shredded municipal solid wastes from the Qizishan landfill, China
Intrinsic and relative permeabilities of shredded municipal solid wastes from the Qizishan landfill, China
Testing specimens for laboratory analysis were created from borehole samples of municipal solid waste (MSW) drilled from different depths at the Qizishan landfill, China. Laboratory water retention curve (WRC), water permeability and air permeability tests were carried out to study the effects of compression and biodegradation on intrinsic permeability and the effect of water content on relative permeability of the borehole specimens. The value of intrinsic permeability coefficient k0 in the Kozeny-Carman model was found to be influenced by both compression and biodegradation processes. Furthermore, intrinsic permeability ki measured by air was found to be about one order of magnitude larger than that measured by water. Based on the regression results of WRC, relative water and air permeabilities were analyzed through the van Genuchten-Mualem (vG-M) model. The measured relative air permeability could be well fitted by the vG-M model. The value of parameter ?v was found to be critical for a good prediction of relative water and air permeabilities using the vG-M model.
0008-3674
1243-1252
Xu, X.B.
a2ddcbc4-6195-426f-b0dc-60e6f560fa07
Zhan, T.L.T.
20e5ebec-0957-4b75-9205-0b848c058f37
Chen, Y.M.
25e9a190-ed43-4b71-8ee9-cda7e1e6a00f
Beaven, R.P.
5893d749-f03c-4c55-b9c9-e90f00a32b57
Xu, X.B.
a2ddcbc4-6195-426f-b0dc-60e6f560fa07
Zhan, T.L.T.
20e5ebec-0957-4b75-9205-0b848c058f37
Chen, Y.M.
25e9a190-ed43-4b71-8ee9-cda7e1e6a00f
Beaven, R.P.
5893d749-f03c-4c55-b9c9-e90f00a32b57

Xu, X.B., Zhan, T.L.T., Chen, Y.M. and Beaven, R.P. (2014) Intrinsic and relative permeabilities of shredded municipal solid wastes from the Qizishan landfill, China. Canadian Geotechnical Journal, 51 (11), 1243-1252. (doi:10.1139/cgj-2013-0306).

Record type: Article

Abstract

Testing specimens for laboratory analysis were created from borehole samples of municipal solid waste (MSW) drilled from different depths at the Qizishan landfill, China. Laboratory water retention curve (WRC), water permeability and air permeability tests were carried out to study the effects of compression and biodegradation on intrinsic permeability and the effect of water content on relative permeability of the borehole specimens. The value of intrinsic permeability coefficient k0 in the Kozeny-Carman model was found to be influenced by both compression and biodegradation processes. Furthermore, intrinsic permeability ki measured by air was found to be about one order of magnitude larger than that measured by water. Based on the regression results of WRC, relative water and air permeabilities were analyzed through the van Genuchten-Mualem (vG-M) model. The measured relative air permeability could be well fitted by the vG-M model. The value of parameter ?v was found to be critical for a good prediction of relative water and air permeabilities using the vG-M model.

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Published date: November 2014
Organisations: Faculty of Engineering and the Environment

Identifiers

Local EPrints ID: 364175
URI: http://eprints.soton.ac.uk/id/eprint/364175
ISSN: 0008-3674
PURE UUID: e796b8c6-979c-4d5e-9f8e-6ace5864c8e1
ORCID for R.P. Beaven: ORCID iD orcid.org/0000-0002-1387-8299

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Date deposited: 08 Apr 2014 10:38
Last modified: 10 Dec 2019 01:53

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Contributors

Author: X.B. Xu
Author: T.L.T. Zhan
Author: Y.M. Chen
Author: R.P. Beaven ORCID iD

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