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Structural Analysis and Design of Steel Connections Using Component-Based Finite Element Model



Author(s)

Lubomír Šabatka¹, František Wald², Jaromír Kabeláč³, Drahoslav Kolaja¹ and Martin Pospíšil¹

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DOI:10.17265/1934-7359/2015.08.002

1. R&D Department, IDEA RS, s.r.o., Brno CZ 644 00, Czech Republic
2. Department of Steel and Timber Structures, Czech Technical University in Prague, Prague CZ 166 29, Czech Republic
3. Hypatia Solutions s.r.o., Brno 623 00, Czech Republic

This paper introduces CBFEM (component-based finite element model) which is a new method to analyze and design connections of steel structures. Design focused CM (component model) is compared to FEM (finite elements models). Procedure for composition of a model based on usual production process is used in CBFEM. Its results are compared to those obtained by component method for portal frame eaves moment connection with good agreement. Design of moment resistant column base is demonstrated by a case loaded by two directional bending moments and normal force. Interaction of several connections in one complex joint is explained in the last example. This paper aims to provide structural engineers with a new tool to effectively analyze and design various joints of steel structures.

Steel structures, structural connections, finite element model, component model, analytical model, design model.