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(華東建筑設計研究院有限公司  上海 200002)
［提要］  中國浦東干部學院是國家干部培訓基地之一，鋼結構屋蓋的最大跨度近63m，采用了雙向正交鋼桁架體系。鋼屋蓋主要支承在鋼柱支撐上，并運用了多種滑動支座、搖擺柱、梭形鋼結構桁架柱，以減少屋蓋的跨度并豐富建筑的表現(xiàn)手段。主要介紹了大跨度鋼結構的結構布置、其動力特性及各工況下的內(nèi)力分布、基礎拉梁、搖擺柱、梭形鋼結構桁架柱、滑動支座的設計等內(nèi)容。
［關鍵詞］  大跨度鋼結構  滑動支座  搖擺柱  梭形鋼結構桁架柱  鑄鋼件
Steel Structural Design and Study for China Executive Leadship Academy Pudong/Zhang Weiyu, Hua Gengsheng, Chen Chunhui, Chen Weiyu, Ding Shenggen, Zhu Ying, Zhang Meng, Guan Haitao (East China Architectural Design & Research Institute Co., Ltd., Shanghai 200002, China)
Abstract:China Executive Leadship Academy Pudong is one of the national bases for training cadre. The maximum span of the roof truss being applied with twoway orthogonal steel truss system almost reaches 63m. The roof structure is mainly supported by steel column. Meanwhile, various sliding bearings, swinging columns and steel shuttleshaped truss columns are put into application to reduce the roof span and enrich the architectural image as well. The design of the bigspan steel structure is introduced for structural layout, and its dynamical characteristics and internal forces distribution under different load cases, foundation tie bar, swinging column, steel shuttleshaped truss column and sliding bearing etc,are presented.
Keywords:bigspan steel structure; sliding bearing; swinging column; shuttleshaped steel truss column; caststeel member