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논문 기본 정보

자료유형
학술저널
저자정보
Chen, Shenggang (Department of Civil Engineering, Beihang University) Ye, Yinghua (Department of Civil Engineering, Beihang University) Guo, Quanquan (Department of Civil Engineering, Beihang University) Cheng, Shaohong (Department of Civil and Environmental Engineering, University of Windsor) Diao, Bo (Department of Civil Engineering, Beihang University)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제60권 제6호
발행연도
2016.1
수록면
1,039 - 1,061 (23page)

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Based on Vlasov's torsional theory of open thin-walled members and the nonlinear constitutive relations of materials, a nonlinear analysis model to predict response of open thin-walled RC members subjected to pure torsion is proposed in the current study. The variation of the circulatory torsional stiffness and warping torsional stiffness over the entire loading process and the impact of warping shear deformation on the torsion-induced rotation of the member are considered in the formulation. The torque equilibrium differential equation is then solved by Runge-Kutta method. The proposed nonlinear model is then applied to predict the behavior of five U-shaped thin-walled RC members under pure torsion. Four of them were tested in an earlier experimental study by the authors and the testing data of the fifth one were reported in an existing literature. Results show that the analytical predictions based on the proposed model agree well with the experimental data of all five specimens. This clearly shows the validity of the proposed nonlinear model analyzing behavior of U-shaped thin-walled RC members under pure torsion.

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