国产国产乱老熟女视频网站97,超碰蜜桃,久久精品入口九色,丰满少妇猛烈进入A片高潮小说

How do steel trusses be classified?

Steel truss is a kind of steel structure. Steel truss, together with beam steel, steel column and other components, is an integral part of the steel structure. Then, what are the steel trusses and how are they classified? Foshan steel structure company, Sheng Bang to help you answer!
According to the section, internal force and joint structure, it can be divided into three types: ordinary steel truss, heavy steel truss and light steel truss.
1. common steel truss
The structure is simple, and the application is very extensive. The single belly bar is used.
2. heavy steel truss
It is often used in steel truss with large span and large load.
3. light steel truss
Contrary to heavy-duty steel truss, it is often used in buildings with small span and light roof load.
The steel truss of Foshan steel structure is used widely, and the steel truss can be used in different buildings. It is an indispensable part of the steel structure building.