Comparison of Wrinkles in White and Black HDPE Geomembranes
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 143, Issue 8
Abstract
Wrinkles were quantified and compared for 1.5-mm-thick, high-density polyethylene (HDPE) geomembranes in 20-m-long and 13-m-wide control sections that were identical except for color—one had a black geomembrane, whereas the other, a coextruded white surface. On the two particular sunny summer days when wrinkles were compared, the peak temperature of the white geomembrane was 21–23°C cooler than that for the black geomembrane. Relative to the black geomembrane, wrinkles on the white geomembrane formed later in the morning and went away sooner in the evening and, at the hottest part of the day, were less frequent (approximately 12 versus 24% of the area) and had a much shorter maximum connected length (21% of maximum black length).
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Acknowledgments
This research was funded by GSE Environmental, NAUE, TAG Environmental, Terrafix Geosynthetics, Terrafix Environmental Technologies, and the Natural Science and Engineering Research Council of Canada (NSERC). The installation of the GCL and geomembrane liner was done by Terrafix Environmental Technologies. The geomembrane was manufactured and supplied by GSE Environmental. The GCL in the two sections discussed in this paper was manufactured by TAG Environmental and provided by Terrafix Geosynthetics. The Queen’s University Environmental Liner Test Site was constructed on property owned and kindly provided for research use by Cruickshank Construction Ltd.
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Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 143 • Issue 8 • August 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Apr 22, 2016
Accepted: Jan 24, 2017
Published online: Mar 30, 2017
Published in print: Aug 1, 2017
Discussion open until: Aug 30, 2017
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