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Shear Tests of Glulam at Elevated Temperatures
https://research.thinkwood.com/en/permalink/catalogue563
Year of Publication
2014
Topic
Fire
Mechanical Properties
Material
Glulam (Glue-Laminated Timber)
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Author
Dhima, Dhionis
Audebert, Maxime
Racher, Patrick
Bouchaïr, Abdelhamid
Taazount, Mustapha
Publisher
Wiley Online Library
Year of Publication
2014
Format
Journal Article
Material
Glulam (Glue-Laminated Timber)
Topic
Fire
Mechanical Properties
Keywords
Density
Shear Strength
Temperature
Thermal Gradient
Research Status
Complete
Series
Fire and Materials
Summary
Experimental investigations are conducted to characterize the evolution with temperature of the shear strength of glulam wood. To realize the tests, an original specimen with cylindrical shape has been developed and justified by a numerical study. The geometry allows obtaining thermal gradient within material to represent the real combustion of timber members, while keeping constant the temperature of sheared section. The experimental programs consider various parameters such as the presence or absence of moisture and the thermal gradient within the specimen. The experimental results are discussed and analyzed. They show the correlation between the density of the material and the reduction of its strength at high temperatures. The experimental failure loads are used to evaluate the reduction factors for wood strength depending on the temperature. These factors are compared with those given by EN1995-1-2 for the advanced calculations methods in fire situation. The comparisons show that the reduction factors given by EN1995-1-2 are conservative in comparison with the experimental results. Copyright © 2014 John Wiley & Sons, Ltd.
Online Access
Free
Resource Link
https://www.researchgate.net/profile/M_Taazount/publication/264612177_Shear_tests_of_glulam_at_elevated_temperatures/links/5b19452da6fdcca67b63574a/Shear-tests-of-glulam-at-elevated-temperatures.pdf
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