E-modulus evolution and its relation to solids formation of pastes from commercial cements

Lino Maia, Miguel Azenha, Mette Geiker, Joaquim Figueiras

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Models for early age E-modulus evolution of cement pastes are available in the literature, but their validation is limited. This paper provides correlated measurements of early age evolution of E-modulus and hydration of pastes from five commercial cements differing in limestone content. A recently developed methodology allowed continuous monitoring of E-modulus from the time of casting. The methodology is a variant of classic resonant frequency methods, which are based on determination of the first resonant frequency of a composite beam containing the material. The hydration kinetics — and thus the rate of formation of solids — was determined using chemical shrinkage measurements. For the cements studied similar relationships between E-modulus and chemical shrinkage were observed for comparable water-to-binder ratio. For commercial cements it is suggested to model the E-modulus evolution based on the amount of binder reacted, instead of the degree of hydration.
Original languageEnglish
JournalCement and Concrete Research
Issue number7
Pages (from-to)928-936
Publication statusPublished - 2012


  • Hydration (A)
  • Elastic moduli (C)
  • Cement paste (D)
  • Resonant frequency
  • Limestone filler (D)

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