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Design charts for contaminant transport through slurry trench cutoff walls

Li, Yu-chao, Chen, Guan-Nian, Chen, Yun-Min and Cleall, Peter John 2017. Design charts for contaminant transport through slurry trench cutoff walls. Journal of Environmental Engineering 143 (9) , 10.1061/(ASCE)EE.1943-7870.0001253. 10.1061/(ASCE)EE.1943-7870.0001253

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Abstract

Slurry trench cutoff walls with low-permeability backfill material, such as soil-bentonite and slag-cement-bentonite, are used widely for containment of subsurface pollution. In the design of slurry walls the potential service life for a given thickness or the wall thickness for a target service life are typically determined via analyses of one-dimensional contaminant transport. The difficulty of selecting appropriate inlet and outlet boundary conditions and the mathematical complexity of analytical solutions hinder engineers in undertaking a contaminant transport analysis–based design. Design charts for nondimensionalized effluent flux are presented by developing and using an analytical solution. The methodologies of using these charts in design are demonstrated.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords: contaminant transport; slurry wall; design chart; subsurface contamination
Publisher: ASCE
ISSN: 0733-9372
Date of First Compliant Deposit: 8 June 2017
Date of Acceptance: 28 February 2017
Last Modified: 09 Jul 2017 14:03
URI: http://orca.cf.ac.uk/id/eprint/101299

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