Analytical Model for Shear-critical Reinforced Concrete Interior Beam-column Joints

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Abstract
An analytical model based on the strut-and-tie method for predicting the shear strength of reinforced concrete (RC) interior beam–column joints is introduced in this paper. Both contributions from truss and strut mechanisms are included in the analytical model. The contributions of concrete and transverse reinforcements based on EC2 [2004] are incorporated in the truss mechanism, whereas the strut mechanism is calculated based on the effective compressive strength of concrete. The deformation compatibility between the truss and strut mechanisms is also incorporated in the proposed model. The proposed model is validated by comparison with available experimental database. The validated results show a satisfactory correlation between the proposed model and available experimental database. The proposed model is also compared with the NZS 3101 [1998]; ACI 318 [2002]; and Hwang and Lee [2000]’s joint shear strength model and an improved performance is found.
Funding Information
  • National Foundation for Science and Technology Development (107.01-2016.04)

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