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An Experimental Study on the Flexural Rigidity of Reinforced High Strength Concrete Beams
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 Title & Authors
An Experimental Study on the Flexural Rigidity of Reinforced High Strength Concrete Beams
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 Abstract
This paper presents a study on the flexural rigidity of reinforced high strength concrete beams. Thirty six beams with different compressive strength of concrete, tensile reinforcement ratio, compressive reinforcement ratio, and pattern of loadings(1 point loading and 2 points loading) were tested to evaluate the effective moment of inertia. According to the experimental results, the eqation(1) proposed by ACI code for the effective moment of inertia overestimated that of simply supported reinforced high strength concrete beams. Thus, in this paper, an empirical equation(3) is proposed as a lower bound of 90% confidence limit to estimate the effective moment of inertia of simply supported reinforced high strength concrete beams.
 Keywords
reinforced high strength concrete;flexural rigidity;effective moment of inertia;
 Language
English
 Cited by
 References
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ACI Structural Journal, 1993. vol.90. pp.279-287