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Evaluation of Fresh and Hardened Properties of Self-Compacting Concrete

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ABSTRACT
This paper compared the rheological properties and compressive strengths of self-compacting concrete (SCC) and conventional cement concrete. The flowability and segregation resistance of freshly mixed concrete specimens were examined by the V-funnel apparatus, while the characteristics of passing ability were investigated with the L-box apparatus. Cylindrical concrete specimens of 100 mm diameter × 200 mm length were investigated for compressive strength. The rheological properties of SCC are incomparable with those of the conventional concrete due to their diverse testing methods and characteristics of individual flow. The compressive strength results of hardened concrete showed that SCC gained strength slowly compared to the conventional cement concrete due to the presence of admixtures and its 28 days strength was lower than conventional cement concrete, but SCC eventually had potentials of higher strength beyond 90 days. Finally, the effect of water-cement ratio on the plastic properties of self-compacting concrete was quite negligible compared to conventional concrete.
 
Cite this paper
Olafusi, O. , Adewuyi, A. , Otunla, A. and Babalola, A. (2015) Evaluation of Fresh and Hardened Properties of Self-Compacting Concrete. Open Journal of Civil Engineering, 5, 1-7. doi: 10.4236/ojce.2015.51001.
 
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