Decay Patterns And Damage Processes Of Historic Concrete: A Survey In The Netherlands

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Abstract

Historic concrete buildings (end of 19th century – 1960s), because of their “experimental” character, require a specific approach to both survey and conservation. Although they were built with empirical approaches, some buildings show a fair state of conservation and resilience –even though they have already exceeded the 100-year threshold– while others of comparable age are in severe need of restoration. As part of the European project CONSECH20, aimed at contributing to the conservation of cultural-heritage concrete buildings, this paper investigates what are the most common types of damage and hypothetical causes, and what direct and non-direct parameters can lead to a faster or slower deterioration of historic concrete in the Netherlands. The research is based on an initial screening study, which will be used as a basis for a larger research among the participant countries. The current research is divided in three phases. Firstly, a selection of 15 case studies from the Netherlands are investigated; the selection was based on criteria of age, state of conservation and type of ownership. Secondly, the history and materials of the buildings are examined. Thirdly, an on-site visual survey is performed per each building, with pre-design templates, to identify types of damage, extent and severity. The data is then analysed combining different factors with a calculated index of severity. Results are discussed and contrasted to provide further clarification of the degradation of historic concrete. A fourth phase, not discussed in this paper, will use this methodology in a broader context, with a larger number of case studies in different countries.
Original languageEnglish
Title of host publication12th International Conference on Structural Analysis of Historical Constructions
Subtitle of host publicationSAHC 2021, Online event, 29 Sep - 1 Oct, 2021
EditorsP. Roca, L. Pelà , C. Molins
Place of PublicationSpain
PublisherInternational Centre for Numerical Methods in Engineering, CIMNE
Pages105-116
Number of pages12
ISBN (Print)978-84-123222-0-0
Publication statusPublished - 2021
Event12th International Conference on Structural Analysis of Historical Constructions - Online event
Duration: 29 Sep 20211 Oct 2021
Conference number: 12
https://congress.cimne.com/SAHC2020/frontal/default.asp

Conference

Conference12th International Conference on Structural Analysis of Historical Constructions
Abbreviated titleSAHC
Period29/09/211/10/21
Internet address

Keywords

  • Historic structures
  • Concrete
  • Decay patterns
  • Damage processes
  • Assessment

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