Novel techniques for concrete curing

Konstantin Kovler, Ole Mejlhede Jensen

    Research output: Contribution to journalJournal articleResearchpeer-review


    It is known that some high-strength/high-performance concretes (HSC/HPC) are prone to cracking at an early age unless special precautions are taken. The paper deals with the methods of curing as one of the main strategies to ensure good performance of concrete. Curing by both external (conventional) and internal methods is reviewed and analyzed, among other methods of mitigating shrinkage and cracking of concrete. The focus is on the mitigation of autogenous shrinkage of low water to binder ratio (w/b) concrete by means of internal curing. The concepts of internal curing are based on using lightweight aggregate, superabsorbent polymers or water-soluble chemicals, which reduce water evaporation (so called "internal sealing"). These concepts have been intensively researched in the 90s, but still are not widespread among contractors and concrete suppliers. The differences between conventional methods of external curing and novel methods of internal curing are described. It is stressed that proper curing is a key factor to achieve durable concrete.
    Original languageEnglish
    JournalConcrete International
    Issue number9
    Pages (from-to)39-42
    Publication statusPublished - 2005


    • external and internal curing
    • high-performance concrete
    • superabsorbent polymers
    • light-weight aggregates
    • autogenous shrinkage


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