eco liner and applied structure against settlement and contamination and the method therof

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PURPOSE : An eco-liner lining system for waste landfill bottom and an eco-liner lining system for final soil covering are provided to have a piling structure to which a soft liner, a rigid liner, a high performance adsorption liner, a low performance adsorption liner or mixtures thereof are applied. CONSTITUTION : A lining system comprises liners installed on a foundation bottom of a waste landfill and below a final soil covering layer and consisted of one or more of multi-layers with a predetermined thickness. As an eco-liner lining system for coping with subsidence, comprising a soft eco-liner and a rigid eco-liner to cope with subsidence of a bottom liner layer and a final soil covering layer, the lining system is characterized in that a mixture of main components including earth and sand, bentonite, and an adsorbing material is used as a soft eco-liner to reduce rigidity of the eco-liner, a mixture of main components including earth and sand, cement, a solidifier, bentonite, and an adsorbing material is used as a rigid eco-liner to increase rigidity of the eco-liner, and the lining system comprises the soft eco-liner and the rigid eco-liner that are mixed with each other in a mixing ratio of 0 to 100%%. © KIPO 2008