Key Points for Design Examination of Steel Structure of Portal Rigid Frame Light Building

The weld I-shaped steel are commonly used in the main structure of portal frame light building.It has the characteristics such as the simple structure,direct force transmission and appearance beautiful.It is reasonable in economic,convenient for construction and maintenance.Through the analyses on the typical cases,the key points for examing the design of steel structure of portal frame light building are introduced and several detail suggestions are proposed.Which can be used as the reference for the similar project.