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在施工期间,框架-剪力墙结构中框架柱及剪力墙所承受的荷载及各自轴压比的不同,造成了构件之间存在竖向变形差异,进而会对框架-剪力墙结构中梁柱内力产生重要的影响。而混凝土收缩和徐变的存在,又加剧了这一影响。以某框架-剪力墙结构高层建筑为分析对象,采用有限元法分析了施工过程及收缩徐变对框架-剪力墙结构竖向变形及内力的影响,并在此基础上对结构分析及设计提出了一些有用的建议。
During the construction period, the difference between the load and the axial compression ratio of the frame columns and shear walls in the frame-shear wall structure resulted in the vertical deformation difference between the components, which in turn would affect the structure of the frame-shear wall structure Beam column internal forces have a significant impact. The concrete shrinkage and creep of the existence, but also exacerbated this effect. Taking a frame-shear wall high-rise building as the analysis object, the influence of construction process and shrinkage and creep on the vertical deformation and internal force of the frame-shear wall structure was analyzed by finite element method. Based on the analysis, Design made some useful suggestions.