Fire safety of rectangular hollow section (RHS) truss members with local imperfections
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This project investigates the effect of local imperfections on RHS truss members at elevated temperatures. The specific model used represents a realistic example of a RHS practical application and shows that local imperfections can have a detrimental effect on overall compressive resistance. Modelling showed that above 400C, a member with a local imperfection will experience global buckling and failure significantly quicker than a member without. In consequence, this paper concludes that all slender RHS members that are defined as a key element should be given suitable fire protection.
Bailey, L. (2019) 'Fire safety of rectangular hollow section (RHS) truss members with local imperfections', The Plymouth Student Scientist, 12(1), p. 187-206.