大跨度懸挑鋼桁架結(jié)構(gòu)的彈塑性時(shí)程分析
于敬海1，李路川2，賈莉1，閆翔宇1
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(1 天津大學(xué)建筑設(shè)計(jì)研究院，天津 300073; 2 天津大學(xué)土木工程系，天津300072)[摘 要]鋼筋混凝土筒體高位懸挑鋼桁架平臺是鋼-混凝土混合結(jié)構(gòu)中的新型結(jié)構(gòu)，本文采用SAP2000對塔樓進(jìn)行了罕遇地震作用下的彈塑性時(shí)程分析，通過分析結(jié)構(gòu)的彈塑性地震響應(yīng)得出鋼桁架的出鉸次序和破壞機(jī)理。[關(guān)鍵詞]高位懸挑結(jié)構(gòu);彈塑性時(shí)程分析;抗震性能中圖分類號：TU391 文獻(xiàn)標(biāo)識碼：A 文章編號：1002-848X(2013)S1-0403-03Elastic-plastic time-history analysis of the cantilevered steel truss structure in a long spanYu Jinghai1,Li Luchuan2,Jia Li1,Yan Xiangyu1(1 Architectural Design and Research Institute of Tianjin University, Tianjin 300073, China; 2 School of Civil Engineering, Tianjin University,Tianjin 300072,China)Abstract: The reinforced concrete core walls with cantilevered steel truss platform located at a higher level is a new structure of steel-concrete mixed structure. The elastic-plastic time-history analysis of the turret in the strong earthquakes has been accomplished in this paper using the SAP2000. Basing on the analysis of elastic-plastic earthquake response of the structure, the hinge order and damage mechanism of the steel truss has been gotten.Keywords: cantilevered structure located at a higher level; elastic-plastic time-history analysis; seismic behavior作者簡介：于敬海，博士，研究員，一級注冊結(jié)構(gòu)工程師，Email：yjh300072@126.com。
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