Effect of Ductile Detailing on the Performance of a Reinforced Concrete Building Frame Subjected to Earthquake and Fire
Publication: Journal of Performance of Constructed Facilities
Volume 30, Issue 5
Abstract
A nonductile reinforced concrete (RC) frame was constructed and was subjected to a predefined level of damage by subjecting the frame to simulated earthquake loading. The damaged RC frame was then subjected to 1-h designed compartment fire. The RC frame was instrumented with a number of sensors that recorded strains, displacements, and temperatures during the test. The resulting data provided a distinctive record of earthquake-damaged RC structures in fire through a complete heating–cooling cycle. The experimental results were compared with the results from an earlier test done on the RC frame having ductile detailing. The results show a marked influence of reinforcement detailing on the postearthquake fire performance of the concrete structures. The simulated earthquake loading caused wider cracks and more severe concrete spalling in the frame without ductile detailing compared to the frame with ductile detailing. The fire damage was also more pronounced with extensive spalling due to the attainment of higher temperatures in the structural elements of RC frame constructed with nonductile detailing than the frame having ductile detailing.
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Acknowledgments
This work has been funded by a research grant from the Board of Research in Nuclear Sciences (BRNS), Mumbai.
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Published In
Journal of Performance of Constructed Facilities
Volume 30 • Issue 5 • October 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: May 11, 2015
Accepted: Jan 4, 2016
Published online: Mar 30, 2016
Discussion open until: Aug 30, 2016
Published in print: Oct 1, 2016
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