Vol. 2 No. 02 (2021)

Time Dependent Properties of Concrete: A State of the Art Review

Youkhanna Zayia Dinkha
Department of Civil Engineering, University of Duhok, Kurdistan Region - Iraq
Salim T. Yousif
Department of Civil Engineering, Al-Qalam University College, Kirkuk, Iraq

Published 2021-08-07


  • Concrete,
  • Time Dependent,
  • Prediction Models,
  • Structurecreep Strain

How to Cite

Y. Z. Dinkha and S. T. . Yousif, “Time Dependent Properties of Concrete: A State of the Art Review”, JoCEF, vol. 2, no. 02, pp. 38-50, Aug. 2021.


This work summarizes the prediction models for creep strain that taken place in concrete under compression as well as under tension and shear. In literature, many researchers have carried out experimental studies on creep, RILEM has gathered these experimental results within a computerized data bank. This work briefly reviews the most widely used models and can predict observations up to 5000 days assessed by ACI209R-1992 Model, B3 Model, CEB C99 Model, GL 2000 Model, BS 8110 (1985), and AS3600 (1988). Since creep is one of the most important time-dependent properties of concrete as it increases cracking and harmfully distresses the function, durability, and structural appearances. The objective of this work is to understand the behavior of concrete when creep strain takes place at different ages by incorporating spreadsheets which simplify the calculations for engineers when estimating the creep strain for the design purpose. Based on the RILEM data bank, most of the studies confirm that the GL2000 Model is the closest to the experimental results.  



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