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（1 湖南省建筑設(shè)計(jì)院有限公司， 長(zhǎng)沙 410012；  2 東南大學(xué)土木工程學(xué)院， 南京 211189）

［摘要］張家界大成俄羅斯馬戲城主館屋蓋采用弦支穹頂結(jié)構(gòu)，屋蓋中部吊掛一個(gè)大型空中舞臺(tái)，屬于復(fù)雜大跨度空間結(jié)構(gòu)。介紹了該屋蓋的結(jié)構(gòu)布置并研究了結(jié)構(gòu)的靜力和動(dòng)力特性，特別是懸掛舞臺(tái)對(duì)結(jié)構(gòu)動(dòng)力特性的影響，對(duì)結(jié)構(gòu)進(jìn)行多遇地震、設(shè)防地震及罕遇地震下的性能復(fù)核。結(jié)果表明，結(jié)構(gòu)構(gòu)件均能滿足既定的性能目標(biāo)。

［關(guān)鍵詞］弦支穹頂； 大跨度空間結(jié)構(gòu)； 動(dòng)力特性； 性能目標(biāo)

中圖分類號(hào)：TU394文獻(xiàn)標(biāo)識(shí)碼：A文章編號(hào)：1002-848X(2020)20-0049-05

Structural design on the suspendome of  roof of  Dacheng Russian Circus City main pavilion in Zhangjiajie

WANG Siqing1, CHEN Feng1, PAN Rui2

(1 Hunan Provincial Architectural Design Institute Co., Ltd., Changsha 410012, China;2 School of Civil Engineering, Southeast University, Nanjing 211189, China)

Abstract:The roof of Dacheng Russian Circus City main pavilion in Zhangjiajie adopts the suspendome structure, and a large aerial stage is hung in the middle of the roof, which is  complex large-span spatial structure. The structural arrangement of the roof was introduced, and the static and dynamic characteristics of the structure were studied, especially the influence of the suspended stage on the dynamic characteristics of the structure. The performance of the structure under frequent earthquakes, fortified earthquakes and rare earthquakes was also reviewed. The results show that all the structural components can meet the established performance objectives.

Keywords:suspendome； large-span spatial structure； dynamic characteristic； performance objective

作者簡(jiǎn)介：王四清，學(xué)士，研究員級(jí)高級(jí)工程師，一級(jí)注冊(cè)結(jié)構(gòu)工程師，Email:ag5678@163.com。