In the light of that the portal strut light building structure,which has developed rapidly,possesses many quality problems,from the angles of the design and the construction,this paper probes into problems needing attention in the application of the portal strut light building structure,and puts forward some measures for solving these problems.

Based on the experiments of G550 cold-formed thin-walled steel roof truss structures,an analysis model considering geometry and material non-linearity is established using general FEM software ANSYS.

The limited element analysis of steel structure roof with static force

Taking the health intelligent monitoring system of the roof-latticed truss structure of Shenzhen Citizen Center as an engineering background,a fuzzy pattern recognition method used to identify the stress field of the boxing brace steel brackets of roof latticed truss structure is systematically presented in the paper.