Component-Based Model Versus Stress-Resultant Plasticity Modelling of Bolted End-Plate Connection: Numerical Implementation

Anas Alhasawi (1) , Samy Guezouli (1) , Maël Couchaux (1)

1 LGCGM - Laboratoire de Génie Civil et Génie Mécanique

This paper deals with the analysis of a steel beam-to-column bolted end-plate connection subjected to cyclic loading. The proposed model consists of an improved component-based approach that closely follows the joint behavior. The study reminds the component-based analysis and shows how to implement two proposed improvements by the use of an elasto-plastic formulation and discuss their influences on the joint behavior. The first modification concerns possible separation between the end-plate and the column flange on which it is bolted (gap effect) and the second one concerns the group of two or more than two bolt-rows (group effect). Examples are subsequently detailed for validation and highlight the robustness of the proposed model. These modifications allows to the well-known component based model a new variant that gives more accurate results and remains easy-to-implement in structural analysis programs.

Keywords: Steel joint connection; cyclic load; component-based model; gap problem; group effect; Finite Element Method

Domains: Engineering Sciences [physics]; Mechanics [physics.med-ph]; Structural mechanics [physics.class-ph]; Engineering Sciences [physics]; Civil Engineering; Structures

Anas Alhasawi, Samy Guezouli, Maël Couchaux. Component-Based Model Versus Stress-Resultant Plasticity Modelling of Bolted End-Plate Connection: Numerical Implementation. Structures, 2017, 11, pp.164-177. ⟨10.1016/j.istruc.2017.05.004⟩. ⟨hal-01617152⟩