Evaluation on the Mechanical Properties of Steel-Fiber Concrete at Elevated Temperatures
Purwanto, Antonius, Setiyawan P.
Abstract
This paper presents experimental results on mechanical properties of steel-fibre concrete burned at high temperatures, which consists of tensile strength, modulus of elasticity and flexural modulus. The steel-fibre usage is limited to 0.5% of concrete volume. The reviewed parameters in the evaluation include compressive strength of normal to high-strength concrete, and temperature (normal, 300°C, 600°C, 900°C). The specimens are heated up after it reached 120 days of age. Experimental results toward mechanical behaviour indicate that tensile strength tends to decline linearly at 300°C and 600°C respectively. The value of modulus of elasticity and flexural modulus of fibre-reinforced concrete heated at 300°C, 600°C and 900°C tend to decline linearly. The results of the experimental evaluation also proposed a model for tensile strength degradation equation, modulus of elasticity and flexural modulus against temperature.
References 10
Cited By 1
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