关于场地卓越周期与特征周期的若干讨论_陈鹏.pdfVIP

30 6 Vol.30 No.6 2009 Journal of Qingdao Technological University ＊ 陈　鹏,刘文锋 ,付兴潘 (, 266033) 　:, . 、, 、、 , ., , , 144 , . :;;;; :TU315.9　　　: 　　　:1673—4602(2009)06—0030—06 Discussions on Site Predominant Period and Characteristic Period ＊ CHEN Peng, LIU Wen-feng ,FU Xin-pan (School of Civil Engineering, Qingdao Technological University, Qingdao 266033, China) Abstract:Site predominant period and design characteristic period are the most two impor- tant parameters in reflecting the dynamicproperty of the site.Both are based on spectrum a- nalysis theory.This paper introduces the concept and the significance of site predominant pe- riod and design characteristic period and analyses the main differences between the two pa- rameters on the method of calculation and the numerical value in engineering design.Be- sides, three common methods which are usually used in the determination of site predomi- nant period and design characteristic period are proposed, and the advantages and disadvanta- ges of each method are analyzed.144 ground records are employed to analyze characteristic and difference of calculation methods of design characteristic period.T he results offer refer- ences in the determination of site predominant period. Key words:predominant period;characteristicperiod;delimitation;calculation methods;ap- plicable condition [1-6] ,、 T T g ,、、, ,,. 0 , [7]“ T ,”;[8]“, ”.,, :2008-09-12 :(J07Y 09-2) :　(1982-　), , ., .E-mail:pan20040@163.com. ＊(Corr