Method for Predicting the Failure Load of Masonry Wall Panels Based on Generalized Strain-Energy Density
Publication: Journal of Engineering Mechanics
Volume 140, Issue 8
Abstract
This paper develops a generalized strain-energy density (GSED)–based method to predict the failure loads of laterally loaded masonry wall panels. The method reveals the relationship between the failure loads of the base/test and the new masonry wall panels in the sense of GSED and directly uses the existing testing data in the predicting task. First, the GSED values of the base panel are extracted from its finite-element analysis (FEA) result. Second, similar zones between the base and the new wall panels are matched through the criterion for matching zone similarity. Then, the GSED values on the base wall panel are projected into similar zones on the new wall panel. Finally, the GSED-based parameter is proposed to relate the failure load of the new wall panel. The case studies validate the GSED-based method by comparing the existing yield line method and the FEA method. The GSED-based method explores an innovative way of structural analysis by combining the FEA and cellular automata methods and directly applying testing data.
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Acknowledgments
The authors thank the Yoh Foundation, Egg Harbor Township, New Jersey, for financial sponsorship, which provided the first funding to open this research subject. This project has also been supported financially by the National Science & Technology Pillar Program (Grant No. 2013BAJ12B03) and Postdoctoral Science Foundation of China (Grant No. 2011M500674), Beijing, China.
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Information
Published In
Journal of Engineering Mechanics
Volume 140 • Issue 8 • August 2014
Copyright
© 2014 American Society of Civil Engineers.
History
Received: May 29, 2013
Accepted: Jan 13, 2014
Published online: Feb 24, 2014
Discussion open until: Jul 24, 2014
Published in print: Aug 1, 2014
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