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Supervised by Ministry of Industry and Information Technology of The People's Republic of China Sponsored by Harbin Institute of Technology Editor-in-chief Yu Zhou ISSNISSN 1005-9113 CNCN 23-1378/T

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Related citation:CHEN Zhi-hua,MA Zhong-wu.Experimental study on creep of high-performance concretes[J].Journal of Harbin Institute Of Technology(New Series),2009,16(4):576-580.DOI:10.11916/j.issn.1005-9113.2009.04.024.
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Experimental study on creep of high-performance concretes
Author NameAffiliation
CHEN Zhi-hua School of Civil Engineering and Architecture,Wuhan University of Technology,Wuhan 430070,China 
MA Zhong-wu School of Civil Engineering and Architecture,Wuhan University of Technology,Wuhan 430070,China 
Abstract:
In order to investigate the compression creep of two kinds of high-performance concrete mixtures used for prestressed members in a bridge,an experimental test under laboratory conditions was carried out.Based on the experimental results,a power exponent function was used to model the creep degree of these high-performance concretes(HPCs) for structural numerical analysis,and two series parameters of this function for the HPCs were given with the optimum method of evolution program.The experimental data were compared with CEB-FIP 90 and ACI 92 models.Results show that the two code models both overestimate the creep degree of two HPCs,so it is recommended that the power exponent function should be used for the creep analysis of bridge structure.
Key words:  cement  concrete  creep  high-performance concrete(HPC)
DOI：10.11916/j.issn.1005-9113.2009.04.024
Clc Number:TU528.31
Fund:

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