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（1 河南工業(yè)大學(xué)土木建筑學(xué)院， 鄭州 450001； 2 河南省人民醫(yī)院基建科，  鄭州 450003）

［摘要］某大型醫(yī)院新建病房樓主樓采用框架-剪力墻結(jié)構(gòu)體系，裙房采用框架結(jié)構(gòu)，二者之間不設(shè)防震縫。由于新建病房樓結(jié)構(gòu)存在扭轉(zhuǎn)不規(guī)則、凹凸不規(guī)則、主樓偏心布置及立面收進(jìn)等超限情況，與老病房樓之間還設(shè)置了高位架空連廊，新建病房樓屬于超限復(fù)雜高層結(jié)構(gòu)。首先介紹新建病房樓的工程特點(diǎn)、結(jié)構(gòu)布置及超限情況，然后對(duì)整體結(jié)構(gòu)進(jìn)行了彈性分析、時(shí)程分析和Pushover分析，最后有針對(duì)性地提出了抗震措施。結(jié)果表明，新建病房樓結(jié)構(gòu)達(dá)到了預(yù)期的抗震性能目標(biāo)，結(jié)構(gòu)設(shè)計(jì)滿足規(guī)范要求。

［關(guān)鍵詞］超限復(fù)雜高層結(jié)構(gòu)； 架空連廊； 時(shí)程分析； Pushover分析； 抗震性能目標(biāo)

中圖分類號(hào)：TU246-1+81文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2016)18-0062-04

Seismic performance analysis and design of an out-of-code and complicated high-rise structure

Xian Qingjun1, Jia Chenghui2

(1 School of Civil Engineering and Architecture, Henan University of Technology, Zhengzhou 450001, China; 2 Infrastructure Division, People′s Hospital of Henan Province, Zhengzhou 450003, China)

Abstract:The main building of the newly-built ward building of a large-scale hospital adopts the frame-shearwall structural system and the podium adopts frame structure, and there is no seismic joint between them. The newly-built ward building belongs to the out-of-code and complicated high-rise structure because there are out-of-code conditions of torsion irregularity, concave-convex irregularity, eccentric arrangement of main building and vertical setback and there are also high spatial corridors connected with the old ward building. First, project characteristics, structural arrangements and out-of-code conditions of the newly-built ward building were introduced. Then elastic analysis, time-history analysis and Pushover analysis were conducted on the whole structure. Finally, specific seismic measures were proposed. The results show that the newly-built ward building can achieve the expected seismic performance objectives, and structural design meets the code requirements.

Keywords:out-of-code and complicated high-rise structure; spatial corridor; time-history analysis; Pushover analysis; seismic performance objective

*河南工業(yè)大學(xué)高層次人才基金項(xiàng)目（2014BS004）。

作者簡(jiǎn)介：咸慶軍，博士，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email: xianqj@126.com。