Response of municipal solid waste to mechanical compression

The compressibility of municipal solid waste (MSW) is of engineering interest as it affects the short-term and long-term performance of landfills, as well as their expansion, closure, and postclosure development. An assessment of the field settlement behavior of MSW can be reliably executed only whe...

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Main Authors: Zekkos, Dimitrios, Fei, Xunchang, Grizi, Athina, Athanasopoulos, George
Format: Article
Published: American Society of Civil Engineers 2017
Online Access:https://eprints.nottingham.ac.uk/50908/
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author Zekkos, Dimitrios
Fei, Xunchang
Grizi, Athina
Athanasopoulos, George
author_facet Zekkos, Dimitrios
Fei, Xunchang
Grizi, Athina
Athanasopoulos, George
author_sort Zekkos, Dimitrios
building Nottingham Research Data Repository
collection Online Access
description The compressibility of municipal solid waste (MSW) is of engineering interest as it affects the short-term and long-term performance of landfills, as well as their expansion, closure, and postclosure development. An assessment of the field settlement behavior of MSW can be reliably executed only when the various mechanisms contributing to the settlement are properly taken into account. A comprehensive large-size experimental testing program that involved a total of 143 one-dimensional compression tests from five landfills, in Arizona, California, Michigan, and Texas of the United States as well as Greece was executed to systematically assess the compressibility characteristics of MSW subjected to a compressive load. Emphasis is given to the influence of waste structure, waste composition, unit weight, and confining stress on the compressibility parameters that are used in engineering practice, such as the constrained modulus and compression ratio, as well as long-term compression ratio due to mechanical creep only. The effect of waste composition and unit weight on the compressibility parameters is quantified. It is also found that the type of waste constituent (i.e., paper, plastic, or wood), as well as the waste’s anisotropic structure can have an effect on the compressibility characteristics of soil-waste mixtures. The proposed relationships can be used to estimate compressibility parameters of MSW at any degradation state as long as the waste composition and unit weight are known.
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spelling nottingham-509082020-05-04T19:58:34Z https://eprints.nottingham.ac.uk/50908/ Response of municipal solid waste to mechanical compression Zekkos, Dimitrios Fei, Xunchang Grizi, Athina Athanasopoulos, George The compressibility of municipal solid waste (MSW) is of engineering interest as it affects the short-term and long-term performance of landfills, as well as their expansion, closure, and postclosure development. An assessment of the field settlement behavior of MSW can be reliably executed only when the various mechanisms contributing to the settlement are properly taken into account. A comprehensive large-size experimental testing program that involved a total of 143 one-dimensional compression tests from five landfills, in Arizona, California, Michigan, and Texas of the United States as well as Greece was executed to systematically assess the compressibility characteristics of MSW subjected to a compressive load. Emphasis is given to the influence of waste structure, waste composition, unit weight, and confining stress on the compressibility parameters that are used in engineering practice, such as the constrained modulus and compression ratio, as well as long-term compression ratio due to mechanical creep only. The effect of waste composition and unit weight on the compressibility parameters is quantified. It is also found that the type of waste constituent (i.e., paper, plastic, or wood), as well as the waste’s anisotropic structure can have an effect on the compressibility characteristics of soil-waste mixtures. The proposed relationships can be used to estimate compressibility parameters of MSW at any degradation state as long as the waste composition and unit weight are known. American Society of Civil Engineers 2017-03 Article PeerReviewed Zekkos, Dimitrios, Fei, Xunchang, Grizi, Athina and Athanasopoulos, George (2017) Response of municipal solid waste to mechanical compression. Journal of Geotechnical and Geoenvironmental Engineering, 143 (3). ISSN 1943-5606 https://ascelibrary.org/doi/10.1061/%28ASCE%29GT.1943-5606.0001608 doi:10.1061/(ASCE)GT.1943-5606.0001608 doi:10.1061/(ASCE)GT.1943-5606.0001608
spellingShingle Zekkos, Dimitrios
Fei, Xunchang
Grizi, Athina
Athanasopoulos, George
Response of municipal solid waste to mechanical compression
title Response of municipal solid waste to mechanical compression
title_full Response of municipal solid waste to mechanical compression
title_fullStr Response of municipal solid waste to mechanical compression
title_full_unstemmed Response of municipal solid waste to mechanical compression
title_short Response of municipal solid waste to mechanical compression
title_sort response of municipal solid waste to mechanical compression
url https://eprints.nottingham.ac.uk/50908/
https://eprints.nottingham.ac.uk/50908/
https://eprints.nottingham.ac.uk/50908/