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Practical prediction of time-dependent deformations of concrete

Part III: Drying Creep

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Abstract

The practical model for predicting creep and shrinkage developed in Parts I and II is extended to creep at drying environment and constant temperature. The increase of creep due to drying is related to shrinkage. Formulas for determining material parameters from concrete strength and mix composition are presented and verified by extensive comparisons with test data from the literature.

Résumé

Le modèle pratique de détermination du fluage et du retrait exposé dans les parties I et II de ce mémoire est à présent appliqué au fluage en ambiance sèche et à température constante. L'augmentation du fluage due au séchage est reliée au retrait. On donne les formules pour déterminer les paramètres des matériaux à partir de la résistance du béton et de la composition du mélange, et on les vérifie par des comparaisons nombreuses avec les résultats d'essai publiés.

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References

  1. Lambotte H., Mommens A.—L'Évolution du fluage du béton en fonction de sa composition, du taux de contrainte et de l'âge, groupe de travail GT 22. Centre national de Recherches scientifiques et techniques pour l'Industrie cimentière, Bruxelles, July 1976.

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  2. Pihlajavaara S. E.—A review of some of the main results of a research on the aging phenomena of concrete. Effect of moisture conditions on strength, shrinkage and creep of mature concrete. Cement and Concrete Research, Vol. 4, 1974, pp. 761–771.

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  3. Wittmann F.—Kriechverformung des Betons unter statischer und unter dynamischer Belastung. Rheol. Acta., Vol. 10, 1971, pp. 422–428.

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Author notes

  1. L. Panula (Graduate Research Assistant)

    Present address: Eng., Tippetts, Abbett McCarthy and Stratton, New York

Authors and Affiliations

  1. Northwestern University, 60201, Evanston, Illinois, USA

    Z. P. Bažant (Professor of Civil Engineering, Active Member RILEM) & L. Panula (Graduate Research Assistant)

Authors
  1. Z. P. Bažant
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  2. L. Panula
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Bažant, Z.P., Panula, L. Practical prediction of time-dependent deformations of concrete. Mat. Constr. 11, 415–424 (1978). https://doi.org/10.1007/BF02475115

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  • DOI: https://doi.org/10.1007/BF02475115

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