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Analytical Model for Shear Strength of RS Hybrid Steel Beams with Reinforced Concrete Ends
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 Title & Authors
Analytical Model for Shear Strength of RS Hybrid Steel Beams with Reinforced Concrete Ends
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 Abstract
A strut-and-tie model was proposed to predict the shear strength of RS beam which is a hybrid steel beam with reinforced concrete ends. The proposed model is capable of considering the concrete softening effects due to diagonal shear cracks at the embedded area of steel in concrete. It can predict tile failure strength of RS beam from the mathematical formulations which are based on equilibrium, compatibility, and the constitutive laws of cracked reinforced concrete. The previous experimental results of 15 RS beams were analyzed with the proposed model and the analytical results were also compared with formulas currently available. The comparison revealed that the proposed model can predict the strength of RS beam better than the others. The average ratio of experimental strengths to analytical results was 1.02 and the standard deviation was 0.126.
 Keywords
RS hybrid beam;shear strength;strut-and-tie model;softening effects;strut-and-tie model;
 Language
Korean
 Cited by
 References
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