Evaluation of an HDPE Geomembrane Landfill Cover Performance Available to Purchase

The objective of this study is to develop a rational methodology for establishing the long-term behavior of a high density polyethylene geomembrane cover system. The procedures followed in this evaluation incorporated various concepts provided by other researchers and the examination of various sets of field data regarding the landfill settlement. The study includes the prediction of the long-term landfill cover settlement, examination of the change in lateral drainage and leakage rates as well as an examination of the change in high density polyethylene cover tensile tension due to the landfill cover settlement. The results of this study indicate the integrity of the high density polyethylene geomembrane regardless of the observed localized settlement in the landfill cover due to the solid waste decomposition and consolidation.