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TENSION STIFFENING BEHAVIOR OF HIGH-STRENGTH CONCRETE TENSION MEMBERS

S. V. T. Janaka Perera, Hiroshi Mutsuyoshi

Open publisher page 2 citations

Abstract

Direct tension tests were performed on reinforced high-strength concrete (RHSC) members. Using the results obtained from the experiments, the effect on tension stiffening was examined. The test results showed not only were splitting cracks along the reinforcement more extensive, but also the transverse crack spacing became smaller. Thereby, the reduction in the tension stiffening effect in high-strength concrete (HSC) is much greater than that would be expected. Based on the present results, a new empirical model is proposed to predict tension stiffening of HSC members.

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What this paper is about

Direct tension tests were performed on reinforced high-strength concrete (RHSC) members. Using the results obtained from the experiments, the effect on tension stiffening was examined. The test results showed not only were splitting cracks along the reinforcement more extensive, but also the transverse crack spacing became smaller. Thereby, the reduction in the tension stiffening effect in high-strength concrete (HSC) is much greater than that would be expected. Based on the present results, a new empirical model is proposed to predict tension stiffening of HSC members.

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Available abstract

Direct tension tests were performed on reinforced high-strength concrete (RHSC) members. Using the results obtained from the experiments, the effect on tension stiffening was examined. The test results showed not only were splitting cracks along the reinforcement more extensive, but also the transverse crack spacing became smaller. Thereby, the reduction in the tension stiffening effect in high-strength concrete (HSC) is much greater than that would be expected. Based on the present results, a new empirical model is proposed to predict tension stiffening of HSC members.

Key concepts: Stiffening, Tension (geology), Reinforcement, Materials science, Structural engineering, Composite material, Ultimate tensile strength, Engineering

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