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Expansions in a concrete dam with bridge over spillway in South America

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conference contribution
posted on 22.03.2018, 12:49 by Ana Blanco-AlvarezAna Blanco-Alvarez, Sergio Pialarissi-CavalaroSergio Pialarissi-Cavalaro, Ignacio Segura, Luis Segura-Castillo, Antonio Aguado
A gravity concrete dam built 61 years ago in South America is diagnosed due to the cracking and signs of deterioration detected in the spillway and other elements. Besides the interest to identify the causes, the authorities are concerned by the structural effects on the concrete slab road bridge that is supported on the spillway. This road is one of the main routes for transportation of the country. A comprehensive diagnosis on the state of the dam is presented, including research of the historical documentation, visual inspection of the dam, performance of tests and numerical simulations. The case study is particularly interesting since several phenomena occur, including expansive reactions of different origin.


The authors acknowledge the economic support provided by the Spanish Ministry of Science and Innovation through the project BIA2013-49106-C2-1 -R and the collaboration project with Universidad de la República.



  • Architecture, Building and Civil Engineering

Published in

Dam Swelling Concrete 2017


235 - 247


BLANCO, A. al., 2017. Expansions in a concrete dam with bridge over spillway in South America. IN: Sellier, A. al., (eds.) Swelling Concrete in Dams and Hydraulic Structures: DSC 2017. Hoboken, NJ: Wiley, pp. 235-247.




AM (Accepted Manuscript)

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Chambéry, France