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The use of earth materials as daily covers not only consumes valuable landfill
space, but also brings a series of operating issues such as fine migration and hetergenity of waste
mass. In this study, a mixture of paper sludge and waste tire chips was proposed for daily cover
applications in MSW landfills. The engineering properties of the individual tire chips, the sludge,
as well as their mixture, were evaluated in this study in terms of the index properties, hydraulic
conductivity, and shear resistance of the materials. When compared to traditional soil covers, the
proposed cover material was found to be lighter in weight, more impermeable and higher in
shear resistance. It was also found that with the addition of tire chips to the paper sludge, the
shear strength of the mixture improved considerably. The results suggest that the proposed
material has mechanical characteristics that are desirable to be a landfill daily cover.
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