Creep and Shrinkage of Self-Compacting Concrete with and without Fibers

Farhad Aslani, S. Nejadi

    Research output: Contribution to journalArticlepeer-review

    34 Citations (Scopus)


    Fiber-reinforced self-compacting concrete (FRSCC) is a high-performance building material that combines positive aspects of fresh properties of self-compacting concrete (SCC) with improved characteristics of hardened concrete as a result of fiber addition. Considering these properties, the application ranges of both FRSCC and SCC can be covered. To produce SCC, either the constituent materials or the corresponding mix proportions may notably differ from the conventional concrete (CC). These modifications besides enhance the concrete fresh properties affect the hardened properties of the concrete including creep and shrinkage. Therefore, it is vital to investigate whether all the assumed hypotheses about conventional concrete are also valid for SCC structures. In the present paper, a numerical and experimental study about creep and shrinkage behavior of FRSCC and SCC is performed. Two new creep and shrinkage prediction models based on the comprehensive analysis on the available models of both CC and SCC are proposed for FRSCC and SCC structures. In order to evaluate the predictability of the proposed models, an experimental program was carried out. For this purpose, four SCC mixes - plain SCC, steel, polypropylene, and hybrid FRSCC - are considered in the test program. Several specimens were loaded and deformation in non-loaded specimens was also measured to assess shrinkage. All specimens were kept under constant stress during at least 364 days in a climatic chamber with temperature and relative humidity of 22°C and 50%, respectively. Results showed that the new models were able to predict deformations with good accuracy, although providing deformations slight overestimated. Copyright © 2013 Japan Concrete Institute.
    Original languageEnglish
    Pages (from-to)251-265
    JournalJournal of Advanced Concrete Technology
    Issue number10
    Publication statusPublished - 2013


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