Simulating settlement during waste placement at a landfill with waste lifts placed under frozen conditions

Waste Management
Paul J Van Geel, Kathleen E Murray

Abstract

Twelve instrument bundles were placed within two waste profiles as waste was placed in an operating landfill in Ste. Sophie, Quebec, Canada. The settlement data were simulated using a three-component model to account for primary or instantaneous compression, secondary compression or mechanical creep and biodegradation induced settlement. The regressed model parameters from the first waste layer were able to predict the settlement of the remaining four waste layers with good agreement. The model parameters were compared to values published in the literature. A MSW landfill scenario referenced in the literature was used to illustrate how the parameter values from the different studies predicted settlement. The parameters determined in this study and other studies with total waste heights between 15 and 60m provided similar estimates of total settlement in the long term while the settlement rates and relative magnitudes of the three components varied. The parameters determined based on studies with total waste heights less than 15m resulted in larger secondary compression indices and lower biodegradation induced settlements. When these were applied to a MSW landfill scenario with a total waste height of 30m, the settlement was ove...Continue Reading

References

Mar 16, 2004·Waste Management·A P HudsonW Powrie
Feb 25, 2006·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Chia-Nan LiuKuo-Sheng Chen
Mar 1, 2011·Waste Management·G L Sivakumar BabuSandeep K Chouksey
Nov 28, 2012·Waste Management·Gustavo Ferreira Simões, Cícero Antônio Antunes Catapreta
Jun 19, 2013·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Gang QiuHongjun Sun
May 3, 2015·Waste Management·Christopher A Bareither, Seungbok Kwak

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