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（寶龍地產(chǎn)控股有限公司， 上海 200050）

［摘要］介紹了寶龍總部綜合樓大懸挑和連體等復(fù)雜情況的超限結(jié)構(gòu)設(shè)計(jì)，由于存在分塔、夾層、錯(cuò)層、連體等復(fù)雜情況，對(duì)部分構(gòu)件的抗震性能目標(biāo)作了調(diào)整，從結(jié)構(gòu)周期、樓層側(cè)向剛度比、連廊和懸挑端位移、動(dòng)力特性、關(guān)鍵構(gòu)件等方面對(duì)結(jié)構(gòu)進(jìn)行彈性分析，也進(jìn)行了線(xiàn)彈性時(shí)程分析和動(dòng)力彈塑性分析；并針對(duì)結(jié)構(gòu)具有扭轉(zhuǎn)不規(guī)則、樓板不連續(xù)、剛度突變、大懸挑、穿層柱等抗震不利情況，采取一些相應(yīng)的抗震構(gòu)造與措施；對(duì)高位連體結(jié)構(gòu)進(jìn)行了研究，保證其承載能力滿(mǎn)足大震彈性。

［關(guān)鍵詞］大懸挑； 連廊； 抗震； 優(yōu)化設(shè)計(jì)

中圖分類(lèi)號(hào)：TU318文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2017)03-0079-05

Out-of-code structural design of Powerlong Headquarters Building

Cao Xiaozhong， Qian Gang， Zhang Hongfeng， Xu Jiankang

(Powerlong Real Estate Holdings Co.,  Ltd.,  Shanghai 200050, China)

Abstract: The out-of-code structural design of large cantilever and connected body and other complex situations of Powerlong Headquarters Building were introduced. There are complex cases of sub-tower, mezzanine, split-level and connected body, so performance-based seismic design goals were adjusted for some members. Elastic analyses were conducted on the structure in perspectives of structural period, layer lateral stiffness ratio, displacements of corridor and cantilever end, dynamic properties and key members. Linear elastic time-history analysis and dynamic elastic-plastic analysis were also conducted. Relevant seismic constructions and measures were taken for unfavourable seismic design conditions including torsional irregularity, floor discontinuousness, stiffness mutation, large cantilever and cross-layer column. High position connected structure was studied to ensure its bearing capacity can keep elastic under rare earthquake.

Keywords: large cantilever; corridor; seismic design; optimization design

作者簡(jiǎn)介：曹曉中，碩士，副總經(jīng)理，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，一級(jí)注冊(cè)建造師，Email:caorobert@hotmail.com。