柱子上下两端（或仅上端）收小，如梭形，六朝至宋官式建筑上见之，明代仍见与江南民间。
所以呢人们就管它叫梭柱。
钢屋盖主要支承在钢柱-支撑上，并运用了多种滑动支座、摇摆柱、梭形钢结构桁架柱，以减少屋盖的跨度并丰富建筑的表现手段。
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.
利用有限元软件ANSYS分析了梭形三肢钢管格构柱的几何参数对其弹性屈曲荷载和屈曲模态的影响。
The finite element analysis software ANSYS was adopted to analyze the elastic-plastic buckling behavior of SPDB with stiffened panel at both edges.
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