Site Effect Estimation of Shanxi Areas with the Records of Strong Earthquake in Wenchuan

Abstract: By means of two reference sites, site effects in 29 stations of Shanxi Province are analyzed by using 2008 Wenchuan earthquake data according to adopting traditional ratios method. Because site predominant frequencies getting from all kinds of computations have higher reliability, suggestion is made that in order to reduce loss producing from construction resonance in earthquake, natural frequencies of future constructions in above sites should keep away from site predominant frequency as possible. Computational results show Shanxi areas arises strong site effect in earthquake, this has close relationship with geological structure, formation lithology and strong new structural movement, etc.