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（深圳市歐博工程設(shè)計顧問有限公司， 深圳 518053）
［摘要］深圳國際會展中心由多個展廳、兩個登錄大廳、中央廊道及配套等組成，總建筑面積160萬m2。主要介紹北登錄大廳主體結(jié)構(gòu)設(shè)計、大跨結(jié)構(gòu)設(shè)計、大傾角拉索幕墻與主體結(jié)構(gòu)的連接、網(wǎng)格分叉柱節(jié)點(diǎn)、分叉柱鑄鋼節(jié)點(diǎn)及梁上柱節(jié)點(diǎn)的設(shè)計等多個關(guān)鍵技術(shù)問題。通過結(jié)構(gòu)選型和對比分析等一系列工作，北登錄大廳國際報告廳采用平面桁架的結(jié)構(gòu)形式，桁架間距9 000mm，桁架上下弦中心高度約4 100mm，較為經(jīng)濟(jì)合理，同時保證了建筑功能和效果的實(shí)現(xiàn)。通過傳力路徑分析和有限元計算，節(jié)點(diǎn)構(gòu)造滿足受力要求。
［關(guān)鍵詞］深圳國際會展中心； 登錄大廳； 大跨結(jié)構(gòu)； 節(jié)點(diǎn)設(shè)計； 有限元分析
中圖分類號：TU391, TU318文獻(xiàn)標(biāo)識碼：A文章編號：1002-848X(2020)02-0020-05
Structural design of north lobby of Shenzhen International Convention and Exhibition Center
He Yuanming， Huang Yongjun， Mao Tongxiang
(Shenzhen AUBE Architectural Engineering Design Co., Ltd.， Shenzhen 518053， China)
Abstract:Shenzhen International Convention and Exhibition Center is composed of several exhibition halls, two lobbies, one central corridor and supporting facilities, with a total construction area of 1-6 million m2. Some key technical issues were mainly introduced, including the main structural design of the north lobby, the design of the large-span structure, the connection between the cable curtain wall with a large inclined angle and the main structure, the design of the nodes of the grid bifurcated column, the cast steel nodes of the bifurcated column and the nodes of the column on the beam. Through a series of work such as structural system selection and comparative analysis, the international lecture hall of north lobby adopted the structural form of plane truss with the spacing of 9 000mm, and the center height of upper and lower chords of the truss is about 4 100mm. This is relatively economical and reasonable, and ensured the realization of architectural functions and effects. Through the analysis of the force transmission path and the finite element calculation, the joint constructions met the mechanical requirements.
Keywords:Shenzhen International Convention and Exhibition Center; lobby; large-span structure; node design; finite element analysis
作者簡介：何遠(yuǎn)明，碩士，高級工程師，Email：heyuanming237@sina.com。
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