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Adding polymer emulsion to concrete can increase the bonding strength at the interface of steel fiber and matrix and the property of matrix is improved. Tensile strength, bending strength, deformation and toughness of the concrete are also increased. Anti-penetration performance of steel fiber reinforced concrete (SFRC), polymer-modified concrete (PMC) and steel fiber reinforced polymer-modified concrete (SFRPMC) are studied in this paper. Experiment was conducted by launching steel projectiles into concrete targets, and damage distributions of concrete after penetration are obtained. The results showed the anti-penetration performance of steel fiber concrete by adding polymer can be increased obviously.
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Cao et al. (2014) studied this question.
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