一、网架形式近十年来,网架结构在我国得到了迅速的发展。不少公用建筑以及工业厂房和仓库都采用了网架结构作为屋盖。这种结构具有空间作用,较一般的平面结构具有整体性好、刚度大、结构高度小等优点,能有效地承受地震和悬挂吊车等动荷载。建筑平面布置灵活,不论是方形、矩形、圆形、多边形 First, the form of network racks Over the past decade, the network structure has been rapidly developed in China. Many public buildings and industrial plants and warehouses have adopted grid structures as roofs. This kind of structure has a space effect. Compared with the general planar structure, it has the advantages of good integrity, large rigidity, and small structure height, and can effectively withstand earthquakes and dynamic loads such as hanging cranes. Flexible layout of buildings, whether square, rectangular, circular, polygonal