Sand-Cement Concrete in the Century-Old Camarasa Dam
Publication: Journal of Performance of Constructed Facilities
Volume 30, Issue 4
Abstract
Sand-cement emerged in the early twentieth century as an alternative binder in infrastructures that required a significant amount of concrete volume in order to reduce the costs associated with portland cement. This binder was first used in the United States in several dams before being applied in Camarasa Dam in Spain. Nearly a century after its construction, the dam exhibits degradation phenomena in the downstream face, manifested by losses of mass. The present study aims at assessing the state of the sand-cement concrete in Camarasa Dam and evaluate whether the degradation observed could affect the safety and functionality of the 95-year-old dam. For that, the state of the art on sand-cement is reviewed and an experimental program of physical, mechanical, and chemical tests is performed on samples from the dam. The results reveal that the degradation phenomena may be attributed to physical causes and a general degradation of the concrete properties is discarded as well as any effect on the safety and functionality of the dam.
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Acknowledgments
The authors acknowledge the economic support provided by the Spanish Ministry of Economy and Competitiveness through project BIA2013-49106-C2-1-R. Furthermore, the authors wish to thank Francisco José Conesa and María Chacón from ENDESA for their collaboration during the performance of the study. The postdoctoral Juan de la Cierva program of the Spanish Ministry of Economy and Competitiveness supported Dr. I. Segura during this work.
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Published In
Journal of Performance of Constructed Facilities
Volume 30 • Issue 4 • August 2016
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This work is made available under the terms of the Creative Commons Attribution 4.0 International license, http://creativecommons.org/licenses/by/4.0/.
History
Received: Mar 2, 2015
Accepted: Jul 1, 2015
Published online: Oct 16, 2015
Discussion open until: Mar 16, 2016
Published in print: Aug 1, 2016
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