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Abstract
Tensile and flexural fatigue tests were performed on built-up roof membrane specimens (ASTM designation: D2523-70) fabricated from four different material systems. The tensile fatigue tests were run under cyclic load control conditions while specimens tested in flexural fatigue were run at ambient plus or minus 2 F (-18 plus or minus 1 C). Curves based on the experimental results are plotted, relating the peak load or displacement to the median fatigue lifetimes for specimens fabricated from each material. Performance criteria for roof membranes subject to fatigue loading are recommended.
Tensile and flexural fatigue tests were performed on built-up roof membrane specimens (ASTM designation: D2523-70) fabricated from four different material systems. The tensile fatigue tests were run under cyclic load control conditions while specimens tested in flexural fatigue were run at ambient plus or minus 2 F (-18 plus or minus 1 C). Curves based on the experimental results are plotted, relating the peak load or displacement to the median fatigue lifetimes for specimens fabricated from each material. Performance criteria for roof membranes subject to fatigue loading are recommended.
Date
4/1975
4/1975
Author(s)
George Sushinsky
George Sushinsky
Page(s)
28
28
Keyword(s)
bituminous membrane; fatigue testing; flexural fatigue; tensile fatigue; performance criteria; temperature effects
bituminous membrane; fatigue testing; flexural fatigue; tensile fatigue; performance criteria; temperature effects