Blast Resistance of Fully Grouted Reinforced Concrete Masonry Veneer Walls
Publication: Journal of Performance of Constructed Facilities
Volume 28, Issue 2
Abstract
This paper describes the full-scale experimental evaluation of the out-of-plane flexural response of fully grouted RC masonry walls subjected to uniform static pressure and to dynamic pressure resulting from an explosion. The investigation was performed as part of a larger effort to improve the design methodologies for reinforced masonry subjected to blast loading. The masonry walls were non-load-bearing and vertically spanning, which represents a significant amount of common construction in the United States. Both single-wythe and veneer wall sections were evaluated. Two types of concrete masonry units were used, i.e., conventional and A-block concrete masonry units. The results of the program provide a better understanding of the ultimate dynamic capacities and ductility of reinforced masonry walls—both single-wythe and veneer walls—which will ultimately help engineers produce designs that are safer and more economical.
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Acknowledgments
The experimental components of this project were sponsored by the Airbase Technologies Division of the Air Force Research Laboratory (AFRL) at Tyndall Air Force Base, Florida. The AFRL program manager during the experimental phase of this work was Dr. Robert Dinan. Experimental samples were provided through a Cooperative Research and Development Agreement (CRADA) with the Portland Cement Association (CRADA No. 05-119-ML-01). Dennis Graber from the National Concrete Masonry Association (NCMA) and Greg Borchelt from the Brick Industry Association assisted throughout the planning and execution of this program. Fig. 1 was provided by NCMA. The static experiments were conducted at the National Center of Explosive Research and Design, located at the University of Missouri-Columbia, under the supervision of Dr. Hani Salim and Aaron Saucier. Masonry material tests were conducted by NCMA. Employees of Applied Research Associates, Inc. contributed to the execution of the experimental program. Auburn University researchers in the Department of Civil Engineering, under the guidance of Dr. James Davidson, provided pre-test support of the experimental program, as well as post-test analysis of the experimental data, which was partially sponsored through an NCMA Education and Research Foundation Grant. While completing this paper, Robert Browning has been employed by the Geotechnical and Structures Laboratory (GSL) at the U.S. Army Engineer Research and Development Center in Vicksburg, Mississippi. Robert Browning is grateful for GSL’s support in pursuing his Ph.D. and for the Director’s approval to publish this paper.
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Information & Authors
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Published In
Journal of Performance of Constructed Facilities
Volume 28 • Issue 2 • April 2014
Pages: 228 - 241
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Jun 16, 2012
Accepted: Jan 8, 2013
Published online: Mar 14, 2014
Published in print: Apr 1, 2014
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