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由于钢筋混凝土异形柱截面几何性质的独特性,需要考虑不同地震作用下结构的反应。运用大型有限元分析软件ANSYS,对一栋12层小高层住宅在0°角和45°角的水平地震作用下进行模态分析、反应谱分析以及设防烈度下的时程分析,研究了钢筋混凝土异形柱-短肢剪力墙结构的动力特性和抗震能力。结果表明,异形柱方向性较强,在不同的地震作用方向下的受力有较大差异,在一定的剪力墙刚度保证下,结构依旧能在设防烈度下处于弹性工作阶段。
Due to the uniqueness of the geometrical characteristics of the cross-section of reinforced concrete columns, it is necessary to consider the structural responses under different seismic actions. Using the large-scale finite element analysis software ANSYS, modal analysis, response spectrum analysis and time-history analysis under fortification intensity under the horizontal seismic action of 0 ° and 45 ° are carried out on a 12-storey high-rise residential building. DYNAMIC CHARACTERISTICS AND SEISMIC RESISTANCE OF SPECIAL SHORT COLUMN - SHORT PIERCED SHEAR WALL STRUCTURE. The results show that the special-shaped columns are highly directional and have different forces in different directions of seismic action. Under the guarantee of certain shear wall stiffness, the structure can still be in elastic working stage under fortification intensity.