Experimental Characterization of Masonry and Masonry Components at High Strain Rates
Publication: Journal of Materials in Civil Engineering
Volume 29, Issue 2
Abstract
The strain rate effect influences the mechanical properties on most construction materials and its investigation is critical for structural engineering. Current materials such as steel or concrete have been intensively investigated. However, similar studies on the dynamic properties of masonry or masonry components such as clay brick or mortar are scares. This paper intends to study the behavior of masonry and its usual components (clay brick and mortar) when subjected to high strain rates. A drop-weight impact machine is used at different heights and weights introducing different levels of strain rate. Empirical relations of dynamic increase factors (DIFs) are derived from the experimental results and the strain rate effect on compressive strength, compressive fracture energy, strain at peak strength, and Young’s modulus are determined and presented.
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Acknowledgments
This work was performed under Project CH-SECURE funded by the Portuguese Foundation of Science and Technology (FCT). The authors acknowledge the support. The first author also acknowledges the support from his Ph.D. FCT grant with the reference SFRH/BD/45436/2008.
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Published In
Journal of Materials in Civil Engineering
Volume 29 • Issue 2 • February 2017
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Nov 24, 2015
Accepted: Jul 14, 2016
Published online: Sep 22, 2016
Published in print: Feb 1, 2017
Discussion open until: Feb 22, 2017
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