The creep phenomenon of hardened cement mixed with expansive additives (EAs) was modelled by considering the creep performance of hydration products of cements and EAs under the assumption that the characteristics of hydration products of cements and EAs are fixed. A new composite model that is appropriate for particle conditions is proposed by considering the balance of the hydration products of cement and EA and the stress redistribution phenomenon of hydration products newly generated by the progress of hydration. Verification of the creep model indicated that the accumulated creep strains calculated by the model and those obtained through experiment were similar, thereby confirming that the model shows excellent estimation and evaluation performance. Furthermore, the stress could be sufficiently estimated by analysing the creep phenomenon corresponding to the progress of hydration under the restrained condition.
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April 2015
Research Article|
April 01 2015
Modelling of creep of concrete mixed with expansive additives Available to Purchase
Hyeonggil Choi;
Hyeonggil Choi
Assistant Professor, Graduate School of Engineering, Muroran Institute of Technology, Hokkaido, Japan
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Myungkwan Lim;
Myungkwan Lim
Research Professor, Graduate School of Engineering, Hankyong National University, Ansung, Korea
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Heesup Choi;
Heesup Choi
Assistant Professor, Department of Civil Engineering, Kitami Institute of Technology, Hokkaido, Japan
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Takafumi Noguchi;
Takafumi Noguchi
Professor, Department of Architecture, The University of Tokyo, Tokyo, Japan
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Ryoma Kitagaki
Ryoma Kitagaki
Assistant Professor, Department of Architecture, The University of Tokyo, Tokyo, Japan
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Publisher: Emerald Publishing
Revision Received:
July 24 2014
Revision Requested:
October 02 2014
Accepted:
October 22 2014
Online ISSN: 1751-763X
Print ISSN: 0024-9831
ICE Publishing: All rights reserved
2015
Magazine of Concrete Research (2015) 67 (7): 335–348.
Article history
Revision Received:
July 24 2014
Revision Requested:
October 02 2014
Accepted:
October 22 2014
Citation
Choi H, Lim M, Choi H, Noguchi T, Kitagaki R (2015), "Modelling of creep of concrete mixed with expansive additives". Magazine of Concrete Research, Vol. 67 No. 7 pp. 335–348, doi: https://doi.org/10.1680/macr.14.00249
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