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Guideline for structural safety in cracked concrete dams
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.ORCID iD: 0000-0001-6840-9986
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Concrete Structures.ORCID iD: 0000-0003-3586-8988
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2019 (English)In: Sustainable and safe dams around the world : proceedings of the ICOLD 2019 symposium, (ICOLD 2019), June 9-14, 2019, Ottawa, Canada = Un monde de barrages durables et sécuritaires : publications du symposium CIGB 2019, Juin 9-14, 2019, Ottawa, Canada, CRC Press, 2019, p. 1681-1696Conference paper, Published paper (Refereed)
Abstract [en]

Several concrete dams show cracking, and their condition and remaining service

life must be determined. Assessment and service life prediction of cracked dams should include an investigation to determine the cause and consequences of cracks. Cracks can be caused by different mechanisms, which also may act together. Some mechanisms act during a short period of time, e.g. in the beginning after construction, while other mechanisms may influence the dam during the whole service-life. Therefore, it is important to combine observations, measurements, laboratory tests and theoretical analyses investigating the causes of the cracks, their future development and the influence they may have on the performance of the dam. Lessons learned and knowledge concerning crack propagation in concrete and rock, general material engineering, durability concerns caused by cracks, structural analysis issues connected to cracks, field measurements and design of remedial measures has been compiled in a Swedish guideline. The guideline highlights issues that should be looked for in inspections and contains a methodology to determine the residual strength and serviceability of cracked concrete dams and how to review dam safety criteria’s. This in turn will provide the dam owner with a better means to manage and prioritize rehabilitation and maintenance work.

Place, publisher, year, edition, pages
CRC Press, 2019. p. 1681-1696
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-261090ISBN: 978-0-367-33422-2 (print)OAI: oai:DiVA.org:kth-261090DiVA, id: diva2:1356301
Conference
ICOLD 2019 Annual Meeting/Symposium. June 9-14, Ottawa, Canada
Note

QC 20191011

Available from: 2019-10-01 Created: 2019-10-01 Last updated: 2019-10-11Bibliographically approved

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fulltext(551 kB)32 downloads
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