Service Life Prediction of Repaired Structures Using Concrete Recasting Method: State-Of-The-Art

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Abstract

The performance of repaired concrete structures continues to be a major global concern. Regardless of improvements in repairing materials and methods, several repaired concrete structures still fail prematurely, leading to costly and time consuming repairs of repairs. Studies in the field of concrete repairs showed that almost 50% of repaired concrete structures had failed in Europe and USA. Simultaneously, numerous existing concrete structures needs to be repaired as they do not meet today's safety standard. As a result, annually billions of EUR will continue to be spent in order to repair deteriorated concrete structures. The need to mitigate premature failure of repaired concrete structures has to inspire many researchers to develop service life prediction model for repaired concrete structures. However, till today, service life of repaired concrete structures is just an estimate which relies on individual's experience. Scientifically developed service life prediction model for repaired concrete structures is highly desired for optimizing selection of repairing materials and techniques in turn diminishing economic loss due to premature repaired concrete failure. The aims of this paper is generally to review the performance of repaired concrete structures and the current status in the development of service life prediction models for repaired concrete structures specially exposed to exposure class XD (chlorides excluding seawater). Future research and development of service life prediction model for repaired concrete structures is discussed based on today's research and practice on the area.
Original languageEnglish
Pages (from-to)1138-1144
JournalProcedia Engineering
Issue number57
DOIs
Publication statusPublished - 2013
MoE publication typeA4 Article in a conference publication
EventInternational Scientific Conference on Modern Building Materials, Structures and Techniques - Vilnius, Lithuania
Duration: 16 May 201317 May 2013
Conference number: 11

Keywords

  • chloride contamination
  • concrete repair’s performance
  • failure mode of concrete repairs
  • numerical models
  • repaired concrete structure
  • service life prediction

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