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通过10个算例,对按振型分解反应港法和弹性时程分析法所得的底层地震剪力值与按底部剪力法所得的值进行对比和分析,而后从统计意义上提出了随第二层与第一层侧移刚度比值而变化的底层地震剪力增大系数计算公式.
Through 10 calculations, the bottom shear shear values obtained by the vibration analysis and the elastic time history analysis method are compared and analyzed with the values obtained by the bottom shear force method, and then the statistical values are presented. The calculation formula for the bottom shear force increase coefficient of the bottom layer with the ratio of the first layer to the first layer.