用随机模拟方法研究设定地震的地面运动参数

Study on ground motion parameters of scenario earthquake using stochastic simulation method

本文从强地面运动随机模拟方法应用出发,提出了一种用中小地震的数字观测资料确定研究区路径、场地参数的方法。采用该方法,分离软基岩场地联合效应和非弹性衰减的影响,并把二者分别确定出来。这些参数可以直接用于研究区软基岩场地的地面运动随机模拟。

In this paper, for the application of stochastic simulation of ground motion, we put forward a method of determining the parameters of path and site using digital seismic data of small - moderate earthquakes. The combined effects of soft rock sites and anelastic attenuation factor have been separated and determined respectively by using this method. They can be directly applied to the stochastic modeling ground motions in the researched region.