Implications of variable waste placement conditions for MSW landfills

Waste Management
Jason T CoxJames L Hanson

Abstract

This investigation was conducted to evaluate the influence of waste placement practices on the engineering response of municipal solid waste (MSW) landfills. Waste placement conditions were varied by moisture addition to the wastes at the time of disposal. Tests were conducted at a California landfill in test plots (residential component of incoming wastes) and full-scale active face (all incoming wastes including residential, commercial, and self-delivered components). The short-term effects of moisture addition were assessed by investigating compaction characteristics and moisture distribution and the long-term effects by estimating settlement characteristics of the variably placed wastes. In addition, effects on engineering properties including hydraulic conductivity and shear strength, as well as economic aspects were investigated. The unit weight of the wastes increased with moisture addition to a maximum value and then decreased with further moisture addition. At the optimum moisture conditions, 68% more waste could be placed in the same landfill volume compared to the baseline conditions. Moisture addition raised the volumetric moisture content of the wastes to the range 33-42%, consistent with values at and above field ...Continue Reading

References

Sep 22, 2001·Journal of Hazardous Materials·I San, T T Onay
Jun 13, 2006·Waste Management·C H BensonJ M Rawe
Jan 27, 2009·Waste Management·Nicole D BergeEyad S Batarseh
May 9, 2009·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Krishna R ReddyThomas Lagier
Mar 13, 2014·Waste Management·Nazli YesillerDanielle E Noce

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Citations

Nov 2, 2017·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Raquel Greice de Souza Marotta AlfaiaJuacyara Carbonelli Campos

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