Prediction Compressive Strength of Concretes Containing Silica Fume and Styrene-butadiene Rubber (SBR) with a Mathematical Model

Document Type : Research Note


Shahid Rajaee Teacher Training University


This paper deals with the interfacial effects of silica fume (sf) and styrene-butadiene polymer (SBR) on compressive strength of concrete. Analyzing the compressive strength results of 32 concrete mixes performed over two water-binder ratios (0.35, 0.45), four percentages replacement of silica fume (0%, 5%, 7.5%, 10%) and four percentages of SBR (0%, 5%, 10%, 15%) were investigated. A mathematical model base on Abrams’ law has been proposed for evaluation strength of silica fume-SBR concretes. This simplified model might serve as useful guides for commixture concrete admixtures containing of silica fume and SBR. The accuracy of the proposed model is investigated


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