Modeling for design of landfill bottom liners

Alexander C. Demetracopoulos, George P. Korfiatis, Efstathios L. Bourodimos, Edward G. Nawy

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

The design of environmentally sound bottom leachate collection systems for solid waste landfills has become a crucial engineering task due to the increased ground-water contamination from such sites. Analysis of the collection system depends on the formation of a liquid balance equation over and through a relatively impermeable layer. Such a formulation is presented and, subsequently, a simplified version of the mass balance is employed for the realtime simulation of leachate volumes collected over and leaking through the liner. The sensitivity of the computational model is examined and the influence of the problem parameters is assessed. The model satisfactorily predicts head variations over an actual landfill liner. It has practical applications in the selection of optimum geometry and materials for the liner and drainage layer.

Original languageEnglish
Pages (from-to)1084-1098
Number of pages15
JournalJournal of Environmental Engineering (United States)
Volume110
Issue number6
DOIs
StatePublished - Dec 1984

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