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Bažant, Z.P. and Osman E. (1976) “Double power law for basic creep of concrete” Journal of Materials and Structures No.1 Volume. 9.

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Article

Simplified Parametric (Phenomenological) Model of Creep of Concrete in Direct Tension

1Department of Civil Engineering, Rivers State University of Science and Technology, Port-Harcourt, Nigeria

2Department of Civil Engineering, University of Port Harcourt, Port Harcourt, Nigeria


American Journal of Civil Engineering and Architecture. 2015, Vol. 3 No. 2, 52-58
DOI: 10.12691/ajcea-3-2-3
Copyright © 2015 Science and Education Publishing

Cite this paper:
Ephraim M. E., Rowland-Lato E. O.. Simplified Parametric (Phenomenological) Model of Creep of Concrete in Direct Tension. American Journal of Civil Engineering and Architecture. 2015; 3(2):52-58. doi: 10.12691/ajcea-3-2-3.

Correspondence to: Rowland-Lato  E. O., Department of Civil Engineering, University of Port Harcourt, Port Harcourt, Nigeria. Email: rowlandlato@yahoo.com

Abstract

An analytical model based on the experimental trend of the creep deformation of concrete in direct tension is developed. The model is calibrated for normal and high strength concretes and the results show close agreement with experimental data. The inclussion of the stress level is a unique feature of the model and presents a prospect for predicting concrete deformation for any regime of loading. The model confirm that the creep strain of concrete in tension are non-linear right frm the begining of loading therby ruling out the applicability of the principle of superposition The model presents a means for incorporating the nonlinearlity of creep into other predictive models of concrete.

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