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（株式會(huì)社日建設(shè)計(jì)大阪分公司結(jié)構(gòu)工程部， 大阪 530-8211）

［摘要］中之島音樂塔是一座高200m的多功能復(fù)雜建筑,包含一重建的可容納2 700個(gè)座位的音樂大廳以及一新聞公司總部辦公區(qū)。為了在大空間的音樂大廳上建辦公樓,采用了轉(zhuǎn)換桁架體系。轉(zhuǎn)換桁架體系由巨型桁架和帶狀桁架組成,用于承擔(dān)其上部結(jié)構(gòu)的所有荷載并將其轉(zhuǎn)移到音樂大廳的外側(cè)。另外，上部結(jié)構(gòu)作為新聞公司總部辦公樓,需要更高的抗震性能。為了使建筑物滿足高水平的抗震設(shè)防標(biāo)準(zhǔn)，結(jié)構(gòu)采用中間層隔震技術(shù)。

［關(guān)鍵詞］結(jié)構(gòu)設(shè)計(jì)； 復(fù)雜建筑； 巨型結(jié)構(gòu)； 鋼結(jié)構(gòu)； 中間層隔震技術(shù)

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

(2015)11-0043-08

Structural design of Nakanoshima Festival Tower

Ken Okada， Satoshi Yoshida

（Structural Engineering Department, Osaka Office, Nikken Sekkei Ltd., Osaka 530-8211, Japan）

Abstract:Nakanoshima Festival Tower is a 200m high-rise complex building which contains a renewed 2700-seat capacity concert hall known as “Festival Hall” and offices including headquarter of a news company. In order to build up an office tower on the hall which requires large open space, a giant truss system is employed. The giant trusses being composed of mega-trusses and belt-trusses support all the building weight above them and transfer the load to the outside of the hall. The building also requires high seismic resistance performance for a news company. Application of mid-story seismic isolation enables the building to satisfy high-level seismic resistance criteria.

Keywords:structural design； complex building； mega structure； steel structure； mid-story seismic isolation

作者簡(jiǎn)介：岡田健，博士，結(jié)構(gòu)工程部主管，Email:ken.okada@nikken.jp。