Early Prediction of Laterized Concrete Strength by Accelerated Testing (original) (raw)

2010

Abstract

This paper presents the results of a laboratory investigation on the efficiency of the boiling water method of accelerated strength testing to predict the 28-day compressive strength of laterized concrete (concrete containing laterite as full or partial replacement of sand). The results of the work showed that the accelerated strength of the concrete was between 72 and 84% of its 28 days strength. A regression model relating the accelerated strength to the 28-day compressive strength based on the generated data is herein proposed as a power equation for use by engineers and other construction professionals for quality control and early strength assessment during construction of civil engineering infrastructure involving laterized concrete.

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