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(中國(guó)電子工程設(shè)計(jì)院有限公司， 北京 100142)

［摘要］某工程為復(fù)雜超限高層建筑，包含63m的大跨度連體結(jié)構(gòu)，連體結(jié)構(gòu)為鋼結(jié)構(gòu)桁架，兩側(cè)塔樓為鋼筋混凝土框架-剪力墻結(jié)構(gòu)體系。連體結(jié)構(gòu)兩側(cè)塔樓平面形狀不對(duì)稱，剛度、周期相差較大，且地震作用方向有夾角。針對(duì)本工程建筑使用要求及結(jié)構(gòu)特點(diǎn)，選取幾種連體形式進(jìn)行了對(duì)比。采用多種有限元軟件對(duì)連體結(jié)構(gòu)的承載力、樓板應(yīng)力、結(jié)構(gòu)舒適度和溫度應(yīng)力進(jìn)行了分析。結(jié)果表明結(jié)構(gòu)滿足抗震設(shè)防目標(biāo)，滿足規(guī)范要求。 

［關(guān)鍵詞］連體結(jié)構(gòu)；復(fù)雜超限高層建筑；抗震設(shè)計(jì)；舒適度分析；溫度應(yīng)力分析 

中圖分類號(hào)：TU398-2 文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2021)20-0033-05

Design on large-span conjoined structure of a complex over-limit high-rise building  

WANG  Aihe 

(China Electronics Engineering Design Institute Co., Ltd., Beijing 100142， China) 

Abstract: A project is a complex over-limit high-rise building, including a large-span conjoined structure of 63m. The conjoined structure is a steel truss, and the towers on both sides are a reinforced concrete frame-shear wall structure system. The plane shape of the towers on both sides of the conjoined structure is asymmetrical, the stiffness and period are quite different, and the earthquake action direction has an angle. For the architecture requirements and structural characteristics of the project, several conjoined models were selected for comparison. A variety of finite element software was used to analyze the bearing capacity, floor stress, structural comfort and temperature stress of the conjoined structure. The results show that the structure meets the seismic fortification objectives and meets the requirements of the code. 

Keywords:conjoined structure； complex over-limit high-rise building； seismic design； comfort analysis； temperature stress analysis

作者簡(jiǎn)介：王愛(ài)和，學(xué)士，高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email：wangaihe@ceedi.cn。