Physical Tests of Alternative Connections of Different High Roof Purlins Regarding Upward Loading

Thin-walled cold-rolled sections are used in the construction industry, especially roofing of large-span halls. The load-bearing capacity a thin-walled structure depends to large extent on details at point attachment and interconnection individual elements. Therefore, case structures, it is necessary use additional structural elements such as local reinforcement, stabilising elements, supports, other measures doubling profiles. This paper focused behaviour tall Z300 Z350 mm trusses connection superstructure regarding upward loading (e.g., wind suction so on). Two section thicknesses, 1.89 2.85 mm, were experimentally analysed. Furthermore, two types connections prepared, more precisely without with reinforced buckle. experiments aimed investigate load-carrying detail roof truss supporting structure. resulting load values compared normative approaches. Analyses bolt also presented. presents practical evaluation physical test real members.