The effect of discrete degree of node location imperfection on the critical load of spatialgridstructure was studied through the parameter analysis of deviation discrete degree.
通过关于偏差离散度的参数分析方法，研究节点位置缺陷变离散度对空间网格结构临界荷载的影响规律。
2
Suqian City Gymnasium is a reinforced concrete spatial frame structure with a steel spatialgrid roof located in a region of high earthquake intensity.
宿迁市文体综合馆位于地震高烈度区，钢筋混凝土空间框架结构、钢网壳屋盖。
3
Through the analyses of the grid index and the spatial object index, a structure of the spatial object boundary index based on wide grids is put forward.