Low cycle fatigue life prediction using a four-bolt extended unstiffened end plate moment connection

Lim, C. K.; Choi, Wonchang; Sumner, Emmett A.

doi:10.1016/j.engstruct.2012.03.039

Cited by 12 publications

(1 citation statement)

References 8 publications

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“…Finally, it is determined how profitable or harmful the incursion of the elements of the connection into plastic behavior could be. All the results obtained are carefully observed, and it is necessary for the resulting connections to be submitted for laboratory tests to validate the numerical results obtained, following the recommendations found in various published works [27][28][29][30][31].…”

Section: Introductionmentioning

confidence: 99%

Numerical Evaluation of Prequalified End-Plate Connections Used in a Framed Steel Industrial Structure

Ambiado¹,

Lopez²,

Vielma³

2021

Metals

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The design of end-plate connections for steel structures is more loosely specified in Chilean regulations than in American regulations. Nevertheless, eight-bolt extended stiffened (8ES) end-plate connections have not derived benefit from extensive past research, and therefore, their normative recommendations are quite constraining. In this study, both the prequalification and qualification limits are evaluated, and the linear and nonlinear analyses of a connection from a case study focused on a typical industrial structure, characterized by its reduced dimensions, are carried out. For the design of the connection, a spreadsheet was developed based on AISC 358. The nonlinear analysis was modeled using the finite element method, and it is confirmed that the normative recommendations restrict the design in a very conservative way, resulting in oversizing. Finally, a new optimized connection configuration is proposed and analyzed without stiffeners.

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