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工程力学  2012 

?网壳结构复杂多支管连接的试验研究

DOI: 10.6052/j.issn.1000-4750.2011.11.S050, PP. 144-148

Keywords: 圆钢管节点,极限承载力,试验研究,内加劲板,延性系数

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Abstract:

该文以成都双流国际机场T2航站楼建设项目为背景,对大跨屋盖网壳结构中的复杂多支管连接节点进行了足尺静力加载试验。设计出一套空间自平衡加载装置,对工程中采用的2个复杂相贯节点进行了足尺静力加载试验,其中一个节点试件设有内加劲板。在设计荷载作用下,节点处于弹性状态;在极限荷载作用下,主管发生明显变形,节点极限承载力远高于设计荷载,失效模式表现为延性性质。

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