地基基础抗震
地基固有周期natural period of soil site
地震earthquake, seism, temblor
地震持续时间duration of earthquake
地震等效均匀剪应力equivalent even shear stress of earthquake
地震反应谱earthquake response spectrum
地震烈度earthquake intensity
地震震级earthquake magnitude
地震卓越周期seismic predominant period
地震最大加速度maximum acceleration of earthquake
动力放大因数dynamic magnification factor
对数递减率logrithmic decrement
刚性系数coefficient of rigidity
吸收系数absorption coefficient