A simplified model for prediction of compressive strength of concrete containing fly ash at various ages. | [Technical Journal • 2015]

Author(s):

1. F. Jairsom: Architectural Engineering Department, University of Engineering and Technology, Lahore, Pakistan

2. M. B. Sharif: Civil Engineering Department, University of Engineering and Technology, Lahore, Pakistan

3. M. F. Tahir: Civil Engineering Department, University of Engineering and Technology, Lahore, Pakistan

4. M. A. Tahir: Architectural Engineering Department, University of Engineering and Technology, Lahore, Pakistan

Abstract:

In this research a correlation between simple and easily obtained common mix parameters have been developed to estimate the strength of the pozzolanic concrete containing Fly Ash. Experimental data from nine sources was obtained and then analyzed using multiple regressions. The parameters selected for the model development include concrete age, water to binder ratio (W/B), Fly Ash replacement, Fineness of Fly Ash, Tricalcium Silicate (C3S) and Dicalcium Silicate (C2S) content.The derived model was designed to predict the compressive strength f ` of Fly Ash concrete up to ±30% precision. The model isdeveloped for individual ages of 7, 28, 90/91 days.

Page(s): 8-33

DOI: DOI not available

Published: Journal: Technical Journal, Volume: 20, Issue: 2, Year: 2015

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