一般認為地震發生時場址所造成的放大與地層參數有很高的相關性，如軟弱的沖積層會有振幅放大的特性。由於台灣地區的地盤分類乃參考國外之分類準則，對於地質狀況複雜的台灣並不完全適用，故本研究使用台灣地區強震測站的地震資料及鑽探資料庫之地盤參數建立台灣地區不同場址之地盤分類準則。同時以區域的強震歷時之反應震譜找出場址之主要頻率分佈，並與微地動量測之主頻分佈找出場址之放大因子，建立場址效應微分區圖，應用於區域性的地震潛勢預估，其可靠度將使區域地方作即時警報及救災。 Generally the site amplification has high correlation with the strata parameter when earthquake occurred. For example, the soft soil sites have the characteristics of amplitude amplification. In Taiwan, the frame of site classification criteria isn’t suitable for small area. The purpose of this research is to investigate the site classification criteria based on the site effects and the comparison with the borehole data (N, Vs) for each site. The geological database and the ground-motion database of the TSMIP network are used to verify the site classification criteria and the site amplification factors for the Taiwan Seismic Design Code. For the microzonation, we compared the dominate resonance frequencies obtained from ground-motion database and microtremor survey to find the site corrector. All results will be provided for microzonation of site effect and improve the methodology for a better earthquake hazard mitigation purpose. 研究期間：9601 ~ 9612
