Abstract
As an alternative solution for the calculation of the ultimate strength of grouted tubular connections a set of design equations for plain and weld-beaded composite connections is derived in this paper. This is based on the fundamental load-transfer mechanisms for bearing of weld-beads on grout and friction between steel and the grout. The formulation accounts for all the important governing parameters such as hoop strain in tubulars, confined grout strength, weld-bead height, tubular thickness and length to diameter ratio. Comparison between the developed design procedure and all existing experimental data confirm the validity of this approach. Moreover, the results obtained are an improvement over the UK Department of Energy guidance notes and are far superior to those proposed by the American Petroleum Institute.
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