Based on Timoshenko beam theory and Higher-order shear deformation beam theory respectively, a section model for the nonlinear analysis of reinforced concrete beam with both shear and transverse deformation considered is presented in this paper. To eliminate the cracks checking of concrete material, the constitutive model proposed by Stevens etc. is adopted. Simulations about pure bending tests and concentrated loading with different shear-span ratios tests have been made to validate the theoretical model proposed in this paper. The analytical results of the two theories are both in good agreement with experimental data and have also been compared with each other.
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