Abstract
Design solutions of flange assemblies and their elements’ features for open structure rods of building structures are discussed in the article. The distribution of contact stresses both, between flanges and under bolt washers is obtained as a result of a numerical experiment. It is established that the nature of contact stress diagrams and the location (eccentricities) of lever forces depend on the ratio of flanges’ and bolts’ stiffnesses. The dependence of the bending moment in a flange on the magnitude of lever forces is revealed. High-strength connection bolts can work for eccentric tension, depending on the ratio of flanges and bolts stiffnesses.
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