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Title: Lessons learned about the diagnosis of pathologies in concrete dams: 30 years of research and practice
Authors: Blanco, Ana
Pardo-Bosch, F.
Cavalaro, Sergio H.
Aguado, Antonio
Keywords: Dam
Diagnosis
Internal sulfate attack
Alkali-aggregate reaction
Delayed ettringite formation
Issue Date: 2018
Publisher: © Elsevier
Citation: BLANCO, A. ... et al, 2018. Lessons learned about the diagnosis of pathologies in concrete dams: 30 years of research and practice. Construction and Building Materials, 197, pp.356-368.
Abstract: Studies on the diagnosis of pathologies of concrete dams are a valuable reference for professionals managing such assets. However, detailed information is rarely reported in the literature. This paper compiles the most important lessons learned during 30 years of practical experience in this area. The diagnostic procedure is illustrated through 4 of the most interesting dams analysed and monitored by the authors. All were subjected to a first stage that included inspection and analysis of historical documentation, leading to the proposal of a diagnose hypothesis. This was followed by a second stage that included an experimental programme with laboratory tests and, in some cases, numerical simulations to confirm or reject the hypothesis. The analysis of the information shows different pathologies and provide a wide spectrum of boundary conditions, symptoms and diagnoses (from internal sulphate attack and alkali-aggregate reaction to soil-structure interaction).
Description: This paper is closed access until 29 November 2019.
Sponsor: The authors acknowledge the economic support provided by the Spanish Ministry of Science and Innovation through the project BIA2013-49106-C2-1-R.
Version: Accepted for publication
DOI: 10.1016/j.conbuildmat.2018.11.143
URI: https://dspace.lboro.ac.uk/2134/36306
Publisher Link: https://doi.org/10.1016/j.conbuildmat.2018.11.143
ISSN: 0950-0618
Appears in Collections:Closed Access (Architecture, Building and Civil Engineering)

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