Durability-based design: the European perspective

M. R. Geiker*, M. A.N. Hendriks, B. Elsener

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

In Europe, design for the durability of new reinforced concrete structures is currently based on a prescriptive approach. The design, execution (construction) and planned maintenance of a concrete structure have to lead to the intended level of safety and serviceability throughout its entire service life. This requires numeric models based on a sound scientific background of mechanistic understanding as the basis for design and management tools and for the further development of standards and regulations. Designers must understand the basic deterioration mechanisms and the potential types and rates of damage development. For example, different types of corrosion cause very different damage developments, some of which reduce structural safety. We propose that the next generation of service life models should either explicitly include the propagation period or implicitly include it by selecting an accepted probability of depassivation that reflects the type of corrosion and its structural implications.

Original languageEnglish
Number of pages16
JournalSustainable and Resilient Infrastructure
DOIs
Publication statusPublished - 2021

Keywords

  • chloride
  • reinforced concrete structures
  • reinforcement corrosion
  • service life design
  • structural impact

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