Abstract
This paper investigates the theoretical formulation of equations for the calculation of yield and ultimate moment strength capacity of an extended moment end-plated connection which is used to join square hollow tubular sections (SHTS). A beam-beam splice connection with an eight-bolt configuration having two types of bolt alignments is considered in this study. The first type of alignment is a horizontal bolting lying parallel to the section flange on both compression and tension sides. The second type of alignment is a vertical bolting along the web of the section. In this theoretical analysis, the serviceability equations are formulated using yield line theory, and the ultimate moment strength capacity equations are developed using the fundamentals of mechanics and stub-tee analogy method in combination with prying action. The proposed analytical model is validated by comparing the analytical results with experimental results. The proposed model shows good correlation with the corresponding experimental data. • Possibility of different failure modes of extended end plate connection with eight bolt configuration were studied. • Yield and Ultimate Moment Equations are developed based on mode of failure of the connection. • Proposed equations are validated using experimental study.
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