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Compression behavior of municipal solid waste / Christopher A. Bareither in Journal of geotechnical and geoenvironmental engineering, Vol. 138 N° 9 (Septembre 2012)

Compression behavior of municipal solid waste : Immediate compression [texte imprimé] / Christopher A. Bareither, Auteur ; Craig H. Benson, Auteur ; Tuncer B. Edil, Auteur . - 2012 . - pp.1047–1062.
Géotechnique
Langues : Anglais (eng)
in Journal of geotechnical and geoenvironmental engineering > Vol. 138 N° 9 (Septembre 2012) . - pp.1047–1062.
Mots-clés : Solid waste Compression Settlement Landfills Bioreactors Sustainability
Résumé : An evaluation of scale effects, stress, waste segregation, and waste decomposition on the immediate compression behavior of municipal solid waste is presented. Laboratory experiments were conducted in 64-, 100-, and 305-mm-diameter compression cells. A field-scale experiment [Deer Track Bioreactor Experiment (DTBE)] was conducted on waste of the same composition and material properties. A methodology is presented for determining the end-of-immediate compression strain (ɛEOI) that is applicable to both laboratory- and field-scale data. The compression ratio (C′c) was comparable between tests conducted in 100- and 305-mm compression cells. Compression tests in 305-mm cells conducted on six wastes (three size-differentiated fresh wastes and three decomposed wastes) yielded C′c ranging from 0.22 to 0.28 in the stress range of 25–100 kPa. A similar C′c (0.23) was determined for the DTBE (20–67 kPa). The variation in C′c is related to the waste compressibility index (WCI), which is a function of waste dry weight water content, dry unit weight, and the percent contribution of biodegradable organic waste (paper/cardboard, food waste, yard waste). A compilation of laboratory data from this study and the literature yielded a predictive relationship for the C′c and WCI. The C′c can be estimated within ±0.087 for a given WCI using this relationship.
ISSN : 1090-0241
En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29GT.1943-5606.0000672

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Mots-clés :	Solid waste Compression Settlement Landfills Bioreactors Sustainability
Résumé :	An evaluation of scale effects, stress, waste segregation, and waste decomposition on the immediate compression behavior of municipal solid waste is presented. Laboratory experiments were conducted in 64-, 100-, and 305-mm-diameter compression cells. A field-scale experiment [Deer Track Bioreactor Experiment (DTBE)] was conducted on waste of the same composition and material properties. A methodology is presented for determining the end-of-immediate compression strain (ɛEOI) that is applicable to both laboratory- and field-scale data. The compression ratio (C′c) was comparable between tests conducted in 100- and 305-mm compression cells. Compression tests in 305-mm cells conducted on six wastes (three size-differentiated fresh wastes and three decomposed wastes) yielded C′c ranging from 0.22 to 0.28 in the stress range of 25–100 kPa. A similar C′c (0.23) was determined for the DTBE (20–67 kPa). The variation in C′c is related to the waste compressibility index (WCI), which is a function of waste dry weight water content, dry unit weight, and the percent contribution of biodegradable organic waste (paper/cardboard, food waste, yard waste). A compilation of laboratory data from this study and the literature yielded a predictive relationship for the C′c and WCI. The C′c can be estimated within ±0.087 for a given WCI using this relationship.
ISSN :	1090-0241
En ligne :	http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29GT.1943-5606.0000672