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上海天文馆结构抗震设计*
郜江1,李亚明2,3,贾水钟2,3,张良兰2,3
摘 要

(1 上海科技馆, 上海 200127; 2 上海建筑设计研究院有限公司, 上海 200041;3 上海建筑空间结构工程技术研究中心, 上海 200041)

[摘要]上海天文馆结构形态复杂,为多种结构体系组合成的一个整体,且各结构体系包含多种结构材料。其中,上部结构包括大悬挑、大跨度、大开洞、不规则曲面等结构单元,其地震作用下的响应复杂,根据抗规属于特别不规则结构。结构设计时通过采取合理的计算手段和抗震概念设计的方法,力求尽可能简化各部位结构体系,从而减小地震作用对结构的不利影响,同时通过采取合理而有效的节点构造,保证结构各部位之间的连接安全有效,从而保证荷载在结构上的有效传递。

[关键词]上海天文馆; 抗震设计; 悬挑结构; 钢网壳结构; 混凝土壳体结构; 铝合金结构

中图分类号:TU318, TU393-3文献标识码:A文章编号:1002-848X(2018)03-0030-07

 

Structural seismic design of Shanghai Planetarium

Gao Jiang1, Li Yaming2,3, Jia Shuizhong2,3, Zhang Lianglan2,3

(1 Shanghai Science & Technology Museum, Shanghai 200127, China; 2 Shanghai Institute of Architectural Design and Research Co.,  Ltd.,  Shanghai 200041,China; 3 Shanghai Engineering Research Center of Spatial Structures,Shanghai 200041, China)

Abstract:The structural shape of Shanghai Planetarium is very complex. It is composed of kinds of structural system with different structural materials. Many structure elements are integrated in this project such as large cantilever, large span, large opening and irregular curved surface. The earthquake action response of the structure is very complicated and it belongs to especially irregular structure according to the seismic design code. Reasonable calculating means and seismic conceptual design method were adopted to simplify the structural system of each part of the structure in structural design to reduce the detrimental effect of the earthquake action on the structure accordingly. Reasonable and effective joint structures were adopted to make the connection between structure elements safe and reliable to ensure the effective load transfer on the structure.

Keywords:Shanghai Planetarium; seismic design; cantilever structure; steel shell structure; concrete shell structure; aluminum structure

 

*上海市科学技术委员会课题《上海天文馆工程建设关键技术研究与应用》(15dz1207900)。

 

通讯作者:李亚明,本科,教授级高级工程师,Email:liym@siadr.com.cn。

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