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（河北建筑設(shè)計(jì)研究院有限責(zé)任公司上海公司， 上海 200125）

［摘要］津?yàn)硰V場(chǎng)8號(hào)樓主樓結(jié)構(gòu)高度238.60m，采用型鋼混凝土框架-鋼筋混凝土核心筒結(jié)構(gòu)體系，工程存在超B級(jí)高度、塔樓偏置、豎向構(gòu)件不連續(xù)、扭轉(zhuǎn)不規(guī)則等多項(xiàng)超限，屬?gòu)?fù)雜超限高層建筑。介紹了結(jié)構(gòu)體系布置、型鋼混凝土框架中型鋼設(shè)置高度、雙重抗側(cè)力體系、抗震性能設(shè)計(jì)、動(dòng)力彈塑性時(shí)程分析等內(nèi)容。采用SATWE和ETABS兩個(gè)軟件進(jìn)行彈性分析，結(jié)構(gòu)的層間位移角、周期比、層間受剪承載力比等參數(shù)均滿足規(guī)范要求；采用SATWE軟件進(jìn)行彈性時(shí)程分析和中震計(jì)算；采用EPDA軟件進(jìn)行大震下的動(dòng)力彈塑性時(shí)程分析。計(jì)算結(jié)果表明，結(jié)構(gòu)具備較好的承載力和變形能力。

［關(guān)鍵詞］混合結(jié)構(gòu)； 超高層建筑； 抗震性能設(shè)計(jì)； 轉(zhuǎn)換斜柱； 轉(zhuǎn)換梁； 動(dòng)力彈塑性時(shí)程分析； 舒適度

中圖分類號(hào)： TU318，TU973    文獻(xiàn)標(biāo)識(shí)碼： A    文章編號(hào)： 1002-848X(2015)S2-0284-05

Structural design of No. 8 super high-rise building of Jinwan Square

Wang Jiandong, Zhang Yuhui, Zhang Xuchen

(Shanghai Branch, Hebei Architectural Design & Research Institute Co., Ltd., Shanghai 200125, China)

Abstract: The No. 8 main building of Jinwan Square with structural height of 238.60m, which adopts mixed structural system of steel reinforced concrete frame and reinforced concrete core wall, is an out-of-code high-rise structure that exceeds the height of level B, the main tower has eccentric position, with several exceed-limit items as discontinuity of vertical members, torsion irregularity. Structure layout, height of steel in the steel reinforced concrete frame and dual lateral-resistance system were introduced, performance-based seismic design and dynamic elastic-plastic time-history analysis were presented. Programs of SATWE and ETABS were used to carry out the integral structural elastic analysis, parameters as inter-story drift to story height ratio, period ratio and inter-story shear capacity ratio meet the requirements of the code. SATWE program was used to carry out the elastic time-history analysis and calculation under moderate earthquake. EPDA program was used to make the dynamic elastic-plastic time-history analysis under rare earthquake. Analysis results show that the main structure has well bearing capacity and deformation ability.

Keywords: mixed structure; super high-rise building; performance-based seismic design; transfer oblique column; transfer beam；dynamic elastic-plastic time-history analysis；comfortable degree

作者簡(jiǎn)介：王建東，碩士，教授級(jí)高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:wjdyhj@126.com。