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Strain Concentrations in Polyethylene Geomembranes Adjacent to Seams and Scratches


Abstract Laboratory testing was conducted to quantify strain concentrations adjacent to seams and scratches in high density polyethylene (HDPE) geomembranes. The tensile strain profile of remnants meeting the ASTM criteria for wide-width tensile testing from samples of field seams recovered for construction quality assurance testing was evaluated using digital image correlation (DIC). Strains adjacent to scratches on laboratory prepared samples loaded in tension were also measured using DIC. The tensile strain in the zone adjacent to a seam and the tensile strain adjacent to a scratch were compared to the tensile strains calculated using theoretical strain concentration factors. The relationship between the maximum tensile strain adjacent to a seam... (more)
Created Date 2017
Contributor Andresen, Jake (Author) / Kavazanjian, Edward (Advisor) / Houston, Sandra (Committee member) / Zapata, Claudia (Committee member) / Arizona State University (Publisher)
Subject Geophysical engineering / Digital Image Correlation / Strain Concentrations / Strains away from Seams
Type Masters Thesis
Extent 130 pages
Language English
Copyright
Reuse Permissions All Rights Reserved
Note Masters Thesis Civil Engineering 2017
Collaborating Institutions Graduate College / ASU Library
Additional Formats MODS / OAI Dublin Core / RIS


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Description Dissertation/Thesis