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（1 奧雅納工程顧問， 北京 100020； 2 珠海鐵建大廈置業(yè)有限公司， 珠海 519000）
［摘要］珠海某超高層項(xiàng)目位于強(qiáng)風(fēng)作用區(qū)，結(jié)構(gòu)高度超過200m，風(fēng)荷載作用下基底剪力約為小震和中震作用下基底剪力的平均值，塔樓結(jié)構(gòu)抗側(cè)剛度受風(fēng)荷載控制。通過調(diào)整結(jié)構(gòu)體系和布局，優(yōu)化風(fēng)荷載和地震作用下塔樓結(jié)構(gòu)的各項(xiàng)性能指標(biāo)，實(shí)現(xiàn)了強(qiáng)風(fēng)荷載下200m以上高樓無伸臂桁架或腰桁架的設(shè)計(jì)，在滿足結(jié)構(gòu)設(shè)計(jì)規(guī)范的各項(xiàng)性能要求的同時(shí)提升了整個(gè)建筑的外觀效果和使用品質(zhì)。
［關(guān)鍵詞］強(qiáng)風(fēng)荷載； 超高層； 性能設(shè)計(jì)； 無加強(qiáng)層
中圖分類號(hào)：TU318-2文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2017)14-0051-05
Structural optimization design of a super high-rise building in Zhuhai
Yang Mingliu1, Li Xiuying1, Zhong Congming1, Liu Peng1, Lu Keyu1, Tang Dan2
(1 Arup, Beijing 100020, China; 2 Zhuhai CRCC Buildig Real Estate Co., Ltd., Zhuhai 519000, China)
Abstract:A super high-rise building with the structural height over 200m is located in a strong wind loading area in Zhuhai. The base shear force under wind load approximately equals to the average base shear forces under frequent and fortification earthquakes and structural lateral stiffness is mainly controlled by wind load. By adjusting the structural system and layout, all the performance indices of the tower structure under wind load and earthquake action were optimized. This design excludes outriggers or waist trusses in a more than 200m high-rise building under the strong wind loading,it meets the performance requirements of structural design specifications and enhances the appearance effect and quality in use of the whole building.
Keywords:strong wind loading; super high rise building; performance design; without strengthening layer
作者簡介：楊名流，碩士，工程師，Email：young.yang@arup.com。
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