This paper deals with the criteria and procedures used for testing the liner system effectiveness of a mechanically pretreated municipal solid wastes landfill, located in the central Venetian plains. The landfill was excavated in a shallow clayey formation. The liner system is “washbowl” shaped and is composed of natural cohesive soil formation, at the bottom, and with a vertical bentonitic slurry wall, along its perimeter, keyed into the underlying low-permeability layer. The landfill design aimed to isolate hydraulically the waste deposit from the surrounding environment. The final testing of the liner system was carried out by means of boreholes, soil samplings and in situ and laboratory experimental tests.
Effectiveness testing of a MSW landfill liners system
FAVARETTI, MARCO;PREVIATELLO, PAOLO
2005
Abstract
This paper deals with the criteria and procedures used for testing the liner system effectiveness of a mechanically pretreated municipal solid wastes landfill, located in the central Venetian plains. The landfill was excavated in a shallow clayey formation. The liner system is “washbowl” shaped and is composed of natural cohesive soil formation, at the bottom, and with a vertical bentonitic slurry wall, along its perimeter, keyed into the underlying low-permeability layer. The landfill design aimed to isolate hydraulically the waste deposit from the surrounding environment. The final testing of the liner system was carried out by means of boreholes, soil samplings and in situ and laboratory experimental tests.
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