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Waste Management & Research
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Failures during construction of a landfill lining: a case analysis

Geoffrey E. Blight

School of Civil and Environmental Engineering, University of the Witwatersrand, Johannesburg, South Africa, blight{at}civil.wits.ac.za

Two tension failures occurred during the construction of the protection and leachate drainage layers for a geomembrane landfill liner on a slope of 24° to the horizontal. The paper describes and analyses the design and shows that the failures occurred largely because the sequence of construction was altered without due consideration of the consequences. The designers also appeared unaware that there is a difference between the nominal strength of a structural element and its actual in-service strength. This misconception also played a major part in the failures.

Key Words: Landfill lining • geomembrane • geogrid • tensions • failure • design • construction • wmr 1044—2

Waste Management & Research, Vol. 25, No. 4, 327-333 (2007)
DOI: 10.1177/0734242X07078291
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