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Geotechnical properties and bearing capacity of MBT waste

In this paper, basic geotechnical properties and bearing capacity of mechanically and biologically treated (MBT) waste are presented. MBT waste samples were obtained from the Regional Waste Management Centre Mariscina in Croatia. For the purpose of investigation, the so-called "fine fraction" (maximum particle sizes limited to 25 mm) of biodryed waste was used. This fraction of MBT waste is landfilled into the bioreactor landfill, an artificial embankment in which biogas is produced through the controlled anaerobic biodegradation of the waste material. The CBR tests were performed on three dry MBT waste samples that were prepared with the use of standard compaction energy. Test results show that the measured CBR values correspond to the values that are typically obtained for the case of highly compressible organic and fine-grained soils with high plasticity.

MBT waste, geotechnical properties, landfill, CBR

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