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采用逐步递增混凝土表面应变的非线性分析方法,分析了受扭构件从开始受荷到构件破坏全过程的内力与变形关系。改进了斜压场理论中斜压力的分析方法,提高了计算精度。计算结果与实验结果作了对比.并对受扭构件等效薄壁的厚度和混凝土斜压力倾角进行了讨论。
Using the nonlinear analysis method of gradually increasing the concrete surface strain, the relationship between the internal force and the deformation of the torsion member from the beginning load to the component failure process is analyzed. The analysis method of oblique pressure in the oblique pressure field theory is improved and the calculation accuracy is improved. The calculated results are compared with the experimental results. The equivalent thin-wall thickness of the torsion member and the oblique angle of the concrete pressure are discussed.