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（1 上海中森建筑與工程設(shè)計(jì)顧問(wèn)有限公司， 上海 200062；2 中國(guó)建筑設(shè)計(jì)院有限公司， 北京 100044）

［摘要］黃金國(guó)際廣場(chǎng)項(xiàng)目塔樓高度200-1m，采用型鋼混凝土框架-鋼筋混凝土核心筒結(jié)構(gòu)體系。塔樓9層以下建筑平面呈正方形，9～22層外框柱進(jìn)行了不同方向、不同角度的傾斜，并逐步過(guò)渡成上部的風(fēng)車(chē)形平面。介紹了項(xiàng)目的結(jié)構(gòu)特點(diǎn)和超限情況，對(duì)結(jié)構(gòu)進(jìn)行了多遇地震下的反應(yīng)譜計(jì)算和動(dòng)力時(shí)程分析，并進(jìn)行了罕遇地震下的彈塑性時(shí)程分析。對(duì)9～22層斜柱層進(jìn)行了針對(duì)性計(jì)算，同時(shí)采用ANSYS軟件對(duì)音叉柱節(jié)點(diǎn)進(jìn)行了應(yīng)力分析。結(jié)果表明，通過(guò)采取合適的加強(qiáng)措施，結(jié)構(gòu)可滿(mǎn)足預(yù)定的抗震性能目標(biāo)。

［關(guān)鍵詞］超限高層； 抗震性能設(shè)計(jì)； 斜柱； 彈塑性分析

中圖分類(lèi)號(hào)：TU398-5文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2019)15-0038-06

Structural design on an out-of-code high-rise building of Golden International Plaza

Zhong Caimin1, Hu Chungyang2, Wei Kangjun1, Fan Zhong2, Zhang Hongguang1, Zhang Shuai1

(1 Zhongsen Architectural & Engineering Designing Consultants  Ltd., Shanghai 200062, China；2 China Architecture Design & Research Group, Beijing 100044, China)

Abstract:The tower height of Golden International Plaza project is 200-1m. The steel reinforced concrete frame-reinforced concrete core tube structure system was adopted. The building plane below the 9th floor of the tower is square, and the outer frame columns of the 9th to 22nd floors incline in different directions and angles, and gradually transit to the windmill-shaped plane of the upper part. The structural characteristics and overrun of the project was introduced, the response spectrum and dynamic time history of the structure under frequent earthquakes were carried out, and elastic-plastic time history analysis under rare earthquakes was conducted. The inclined column of 9th to 22nd floors was calculated and analyzed, and the stress of the tuning fork column joint was analyzed by ANSYS software. The results show that the structure can meet the anticipated seismic performance target by adopting corresponding strengthening measures.

Keywords:out-of-code high-rise building; performance-based seismic design; inclined column; elastic-plastic analysis