论文部分内容阅读
江苏省体育馆的屋盖采用平板型三向交叉网架结构。网架的平面图形为长八角形(图1)。三个方向桁架高度均为5m,桁架节间长度为6.4m。整个网架安放在沿周边的46根柱顶上的活动铰支座上。屋架的设计荷载采用240kg/m~2。
The roof of Jiangsu Gymnasium uses a flat three-way crossbar structure. The plane of the grid is a long octagon (Figure 1). The truss height is 5m in all three directions and the truss section length is 6.4m. The entire grid was placed on the living hinge supports along the perimeter of the 46 columns. The design load of the truss is 240kg/m~2.