广州新白云国际机场航站楼结构分析的关键问题  

Key Technical Problems on Structural Analysis of Terminal of Guangzhou New Baiyun International Airport

作　　者：陈国栋[1] 郭彦林[1] 梁志[2] 李伟峰[2] 

机构地区：[1]清华大学土木系,北京100084 [2]广东省建筑设计研究院,广东广州510010

出　　处：《建筑结构学报》2002年第5期11-17,共7页Journal of Building Structures

摘　　要：本文介绍了广州新白云国际机场航站楼结构分析的四个关键技术问题,并对前三个关键技术问题进行了非线性有限元分析。四个关键问题是:主楼结构整体稳定性、连接楼结构整体稳定性、膜张拉对结构的影响以及梭形钢格构柱稳定极限承载力的确定。有限元分析结果表明,主楼三角形桁架屋盖的侧向稳定性较低,需加强屋面压型钢板的抗剪刚度以提高其稳定承载力。应用本文提出的膜简化计算模型有效地分析了刚性骨架支撑的张拉膜结构,本文同时对钢桁架下弦端部实心棒节点进行了弹塑性分析。Four key technical problems in structural analysis of the terminal of Guangzhou New Baiyun International Airport in China are introduced in this paper. These problems include the global instability of the main building and connecting buildings of the terminal, the influence of membrane tension on supporting structures and the determination of ultimate strength of shuttle shaped steel latticed columns. Geometric nonlinearity is considered in the analysis of the first three problems by use of the ANSYS package. The results obtained indicate that the lateral instability of roof structure of main building of the terminal is rather weak, and structural procedure for enhancing the shear stiffness of roof structure should be taken. The analysis of membrane structure covering the central part of roof structure has been carried out effectively by using a simplified model proposed in this paper. Finally, elastoplastic analysis has been performed for the connection joints at the end of bottom chord of trusses in main building.

关 键 词：广州新白云国际机场 航站楼 屋盖结构 梭形钢格构柱 膜结构 整体稳定性 

分 类 号：TU393.3[建筑科学—结构工程]