不同配箍率钢筋混凝土柱受力性能分析

Analysis on the stress performance of steel concrete columns with different stirrup ratios

采用大型通用有限元分析软件ANSYS,利用实体建模的方法建立不同配箍率钢筋混凝土柱的模型,对不同配箍率构件进行竖向和水平荷载共同作用下的静力分析,讨论了不同配箍率钢筋混凝土柱的裂缝开展情况和基底剪力—顶点位移曲线,得到了配箍率对于钢筋混凝土柱裂缝开展、构件承载力及构件延性的影响。

Through applying large-scale finite element analysis software ANSYS and using actual modeling method, the paper establishes steel concrete columns with various stirrup ratios, makes the statistic analysis on the components with different stirrup ratios under the vertical and hor- izontal load, discusses the cracking conditions of steel concrete column with different stirrup ratios and the displacing curve of bottom shearing- top point, and finally obtains the impacts of stirrup ratio upon steel concrete column cracking, components＇ bearing capacity and the compo- nents＇ ductility.