摘要
约束边缘构件配箍对剪力墙的抗震性能影响显著,然而在我国规范中,对带端柱高强混凝土剪力墙的箍筋间距限值没有给出相应的条文,设计人员只能参照普通混凝土剪力墙的相关规定,不尽合理。本文采用ABAQUS中混凝土损伤模型,考虑材料的非线性,建立有限元模型,得到带端柱高强混凝土剪力墙的荷载位移曲线,并与试验的骨架曲线进行对比,结果表明,两者吻合较好。在此基础上,重点研究边缘约束构件箍筋间距对剪力墙抗震性能的影响,并给出带端柱高强混凝土剪力墙的箍筋间距限值的建议值,可为工程设计提供参考。
Boundary stirrups of constraint edge components have a significantly influence on seismic performance of shear walls. However, the relevant provisions on allowable boundary stirrups spacing for this structure are not given in Chinese Code. In current engineering practice, the relevant regulations for common concrete shear wall are used by designers, ahhough it＇s unreasonable. Nonlinear finite analysis model is performed by finite analysis software ABAQUS, concrete damage plastic model in ABAQUS is adopted to analyze the high-strength concrete shear walls with boundary columns. The reliability and rationality of the finite analysis model is confirmed by the comparison of test results and analysis results. Based on these, the influences of stirrup spacings of boundary columns on seismic behavior of high-strength concrete shear wall are also considered. The suggestion values of the stirrups spacing of the high strength concrete shear wall with the columns are given, which provides references for the engineering design.
出处
《建筑科学》
北大核心
2014年第9期12-15,21,共5页
Building Science
关键词
端柱
高强混凝土剪力墙
箍筋间距
非线性有限元分析
boundary columns
high-strength concrete shear wall
stirrup spacings
nonlinear analysis finite element method
