抗风桁架
Trailing edge of fork crown and frame down tube present a virtual continuous surface to the wind. reducing aerodynamic drag.
前叉肩部的延伸边缘和车架的下管形成一个虚拟的连续迎风面,从而有效地减少风阻。
Wind Vibration Analysis on the Large-span Steel Frame as Air Corridor
大跨度钢结构空中走廊的风振分析
This thesis investigates the parameters, such as the initial tension of cable, the cross-section of cable, the wind load, the span of frame, the height of frame and the spacing of frame, which influence the load-carrying behavior of the prestressed portal frame.
研究了拉索的初拉力、拉索的截面积、风荷载、门架的跨度、门架的高度、门架的间距等参数对预应力门式刚架受力性能的影响;
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