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(1 南京工業(yè)大學(xué)土木工程學(xué)院, 南京 211816; 2 南京建筑設(shè)計(jì)研究院有限責(zé)任公司, 南京 210014)
[摘要]宿遷海關(guān)大樓采用組合隔震技術(shù),隔震層設(shè)置在地下室頂板和首層之間,結(jié)構(gòu)主體17層,屬于高層隔震建筑。主要闡述了主體結(jié)構(gòu)的設(shè)計(jì)、隔震元件的選取與布置、隔震層相關(guān)構(gòu)造以及隔震結(jié)構(gòu)的計(jì)算分析。結(jié)果表明,相比傳統(tǒng)抗震結(jié)構(gòu),采用組合隔震技術(shù)能顯著降低上部結(jié)構(gòu)的地震作用,上部結(jié)構(gòu)可按降低1度進(jìn)行常規(guī)設(shè)計(jì),經(jīng)濟(jì)效益顯著。
[關(guān)鍵詞]組合隔震; 橡膠隔震支座; 黏滯阻尼器; 滑移支座; 時(shí)程分析
中圖分類號(hào):TU352-1文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1002-848X(2017)08-0087-06
Application of hybrid base-isolation technology in a high-rise building
Zhang Zhengtao1,2, Liu Weiqing1, Wang Shuguang1, Zuo Jiang 2, Xia Changchun2, Fan Rong2
(1 College of Civil Engineering, Nanjing University of Technology, Nanjing 211816, China;
2 Nanjing Architectural Design & Research Institute Limited Liability Company, Nanjing 210014, China)
Abstract:Suqian Customs Building project adopts base\|isolation technology, and isolation layer is arranged between the basement roof and the ground floor. The main structure has 17 stories and belongs to high-rise isolated building. The structural design of the main structure, selection and arrangement of isolation components, related structure of isolation layer and computational analysis of isolation structure were mainly described. Compared with traditional seismic-resistant structures, using the hybrid base-isolation technology will reduce the seismic responses of upper structure significantly. The seismic fortification intensity of isolated structures can adopt minus 1 degree, and the economic benefits are remarkable.
Keywords:hybrid base-isolation; rubber isolation bearing; viscous damper; sliding bearing; time-history analysis
作者簡介:章征濤,碩士,高級(jí)工程師,副總工程師,一級(jí)注冊結(jié)構(gòu)工程師,Email:68499153@qq.com。
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