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本文利用日本强震观测资料,对于影响加速度相对反应谱(放大系数)形状的各种因素分别进行了研究。结果表明:震级和场地条件对反应谱形状的影响要远比震中距的影响明显。并在此基础上建议了可供设计使用的改进反应谱曲线。
In this paper, we use the observational data of Japan strong earthquakes to study various factors that influence the shape of acceleration response spectrum (amplification factor). The results show that the influence of magnitude and site conditions on the shape of response spectrum is much more significant than the epicentral distance. Based on this, we propose an improved response spectrum curve that can be used for design.