Central Crack Tearing Testing of Laminated Fabric Uretek3216LV under Uniaxial and Biaxial Static Tensile Loads
Publication: Journal of Materials in Civil Engineering
Volume 28, Issue 7
Abstract
This paper deals with the tearing analysis on laminated fabrics used in pneumatic structures (specifically crack propagation and tearing strength). Uniaxial tearing tests were carefully conducted on specimens, and the influences of crack parameters on the tearing behaviors and strength of a laminated fabric were discussed. Afterward, the biaxial tearing tests were performed on the cruciform specimens to study their central tearing properties. The tearing strength and failure performance were significantly related to the stress ratios. With the same equivalent crack length, the samples under biaxial loads could show a higher tearing resistance than those under the uniaxial loads. Finally, the results of three different theories used to predict the uniaxial tearing strength were compared with the experimental results, and it was found that the Thiele theory provided the best prediction for the tearing strength of laminated fabrics.
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Acknowledgments
This work was supported by the Fundamental Research Program of Jiangsu Province (Grant No. BK20150775) and the National Natural Science Foundation of China (Grant No. 51278299). The specimens were made in 605 Research Institute of Aviation Industry of China (AVIC) and the tests were conducted in School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University. Yu Hu took part in conducting some experiments in the summer of 2014 and gave some advice on the English writing. Bo Yao and Jin Fan gave some useful advice on the experiment design. Chris Tomlinson corrected English language in some sentences. The authors acknowledge with thanks all these instances of help, and other unmentioned ones.
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Published In
Journal of Materials in Civil Engineering
Volume 28 • Issue 7 • July 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Jul 21, 2015
Accepted: Nov 16, 2015
Published online: Jan 27, 2016
Discussion open until: Jun 27, 2016
Published in print: Jul 1, 2016
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