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本文根据空间变角桁架模型及软化砼的本构关系,对于承受以扭矩为主的钢筋砼偏心受压构件的性能进行了全过程分析,对总数为25个试件(其中15个属于本文作者)所进行的分析,表明计算结果与试验结果符合良好。文中根据作者试验研究结果,简要介绍了压弯扭构件的扭转性能,初步讨论了软化变角桁架理论的适用范围,并对压弯扭构件的性能提出了分析方法。
In this paper, based on the spatial variable angle truss model and the constitutive relation of softened concrete, the whole process analysis is performed for the performance of reinforced concrete eccentric compression members subjected to torsion, and the total number is 25 test specimens (15 of which belong to the author of this paper. The analysis carried out shows that the calculated results are in good agreement with the test results. According to the results of the author’s experiments, the torsional behavior of the flexural-torsional members is briefly introduced. The applicable range of the softening angle truss theory is discussed in detail, and the analytical methods for the properties of flexural torsion members are proposed.