温度荷载作用下磁浮迭合梁变形分析  

Analysis on the deformation of composite guideway under the influence of ambient temperature

作　　者：邓亚士[1] 马顺康[1] 陈天鹏[1] 

机构地区：[1]交通运输部公路科学研究院,北京交科公路勘察设计研究院有限公司,北京100191

出　　处：《建筑结构》2012年第12期94-97,共4页Building Structure

摘　　要：磁浮轨道结构在温度荷载作用下产生的变形对正常使用的影响很大,在一定程度上可能会超过其他荷载的影响而成为设计的控制因素。对主跨80m的三跨连续磁浮迭合梁进行了方案设计,并建立有限元分析模型,对温度荷载作用下的迭合梁结构变形情况进行了详细分析,探明了迭合梁变形特征及变形控制关键点。Maglev track structure will deform under ambient temperature,which has a great impact on the normal use and may exceed the other load to a certain extent and becomes the control factors in the design.The scheme was designed for the three-span continuous composite guideway bridges with an 80m main span,and then the finite element analysis model was established.The deformation of composite guideway under the influence of ambient temperature was analyzed,and deformation characteristics and key control points were ascertained.

关 键 词：高速磁浮 轨道梁 变形 有限元 

分 类 号：TU212.3[建筑科学—建筑设计及理论] TU238