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喀什國(guó)際免稅廣場(chǎng)塔樓結(jié)構(gòu)體系設(shè)計(jì)與研究
駱日旺,王益山,謝能俏,李鋒,劉聰明
摘 要

(深圳市建筑設(shè)計(jì)研究總院有限公司, 深圳  518031

 

[摘要]喀什國(guó)際免稅廣場(chǎng)由兩棟58層、結(jié)構(gòu)高度均為255m的超高層A,B塔樓及228m高的4層商業(yè)裙房組成。塔樓與裙房之間地面以上設(shè)防震縫分開(kāi)。著重介紹塔樓結(jié)構(gòu)體系由混合結(jié)構(gòu)到鋼結(jié)構(gòu)的演變歷程、設(shè)計(jì)面臨的挑戰(zhàn),并按抗震概念設(shè)計(jì)思想有針對(duì)性地采取結(jié)構(gòu)加強(qiáng)措施,最終形成了鋼框架角部帶支撐的密柱外筒鋼框架支撐內(nèi)筒的筒中筒結(jié)構(gòu)體系。分析結(jié)果表明:最終采用的結(jié)構(gòu)體系在水平地震作用下,內(nèi)、外筒剪力分配合理,符合多道抗震防線的概念設(shè)計(jì),結(jié)構(gòu)的周期比、剪重比、層間位移角、穩(wěn)定性等均滿足規(guī)范要求。

 

[關(guān)鍵詞]超高層建筑; 混合結(jié)構(gòu); 鋼結(jié)構(gòu); 鋼框架角部帶支撐的密柱外筒鋼框架支撐內(nèi)筒體系

 

中圖分類號(hào):TU973.1+3      文獻(xiàn)標(biāo)識(shí)碼:A       文章編號(hào):1002-848X(2015)07-0032-06

 

Structural system design and research of Kashi International DutyFree Plaza Tower

Luo Riwang, Wang Yishan, Xie Nengqiao, Li Feng, Liu Congming

 (Shenzhen General Institute of Architectural Design and Research

Co., Ltd., Shenzhen 518031, China)

 

Abstract:Kashi International DutyFree Plaza consists of two 58story super highrise towers (Tower A & B) and 4story commercial podium with the tower structure height of 255m and the podium height of 228m.  Seismic joints are set between the tower and the podium aboveground. The evolution of tower structural system from mixed structure to steel structure, challenges for the design and structure strengthening measures according to the seismic conceptual design theory were introduced, finally to form the structural system of closecolumn external tube of steel frame with corner bracinginner tube of steel frame with bracing. Analyses results show that adopted structural system under horizontal seismic action has reasonable distributions of shear forces for the internal and external tube, according with the seismic concept of multiline design. The period ratio, shearweight ratio, story drift, stability of the structure can satisfy the requirements of specifications.

Keywords:super highrise building; mixed structure; steel structure; closecolumn external tube of steel frame with corner bracinginner tube of steel frame with bracing system

 

作者簡(jiǎn)介:駱日旺,學(xué)士,Email:249013153@qq.com。

 

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