Efficiency of thin-walled bars analyses by analytical or numerical methods in the light of experiments

Abstract

Thin-walled bars are widely applied in various structures. In civil engineering they are used for: bridges or viaducts as large span decks, pylons or tall supports and for buildings as carrying columns, girders, elements of roofing or skeletons systems. There, as materials are applied: steel, aluminium, timber, reinforced concrete and various composites. In many papers and dissertations, are observed significant errors by application of particular analyses of such objects. Therefore, paper present results of complex parallel comparative scientific investigations, led by analytical, numerical, hybrid and experimental methods.