Comparative Studies on Fresh and Compressive Strength Properties of Self- Compacting Concrete (SCC) by Modified is 10262-2009 Method and Volume Fraction Method

N. Ajay*, S. Girish**, M. S. Sindhu ***
*, *** Department of Civil Engineering, RASTA-Center for Road Technology, Bangalore, Karnataka, India.
** Department of Civil Engineering, BMS College of Engineering, Bangalore, Karnataka, India.
Periodicity:September - November'2019
DOI : https://doi.org/10.26634/jste.8.3.16575

Abstract

Self-Compacting Concrete (SCC) is a form of special concrete that offers economic and technical benefits over normal concrete. In recent years, application of SCC is increasing in various precast and ready-mix industry. SCC in fresh state, consolidated by its own weight even in the presence of congestion of reinforcement while maintaining homogeneity. Most of the mix proportioning methods suggest a robust mix-design method, which is different from the mix design of normal concrete. In the present study, an experimental work was carried out in order to develop 6 different SCC mixes, three each by using modified Indian Standard (IS:10262-2009) method and volume fraction method. Three different volumes of paste (Vp) (0.33, 0.35, and 0.37) with water contents (195, 205, and 215 lt/m3) and different cement contents along with GGBS as filler was used. The results indicate that the compressive strength of SCC increases with paste content for the same w/c ratio in both mix design methods. The existence of optimal value of Vp was observed, which was independent of the water content, indicating the importance of Vp along with w/c ratio in the mix design. The SCC mixes developed by volume fraction method showed better performance when compared to mix design developed by modified IS method.

Keywords

Fresh properties of SCC, Modified IS 10262 method, Volume fraction method.

How to Cite this Article?

Ajay, N., Girish, S., and Sindhu, M. S. (2019). Comparative Studies on Fresh and Compressive Strength Properties of Self- Compacting Concrete (SCC) by Modified is 10262-2009 Method and Volume Fraction Method. i-manager's Journal on Structural Engineering, 8(3), 44-49. https://doi.org/10.26634/jste.8.3.16575

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