Original scientific paper
Design and FEM Modelling of Steel Truss Girder Joints
Ivan RADIĆ
; aculty of Civil Engineering, J.J. Strossmayer University of Osijek, Osijek, Croatia
Damir MARKULAK
; aculty of Civil Engineering, J.J. Strossmayer University of Osijek, Osijek, Croatia
Miljana MIKOLIN
; aculty of Civil Engineering, J.J. Strossmayer University of Osijek, Osijek, Croatia
Abstract
This paper critically presents the codified design of joints in steel truss
girders, according to the latest european norms [1-2] , as contemporary
norms in which this issue is included and processed in detail for the first
time. Rules in [2] are based on simplified analytical models in combination
with experimental research, so the regulations consist of semi-empirical
calculation formulae which are valid in limited conditions. Thus, in
engineering practice it is required to take care of parameters which affect
the global or local behaviour of truss girder such as secondary bending
moments, bending moments resulting from eccentric member joints, and
joint deformability, so this paper gives distinct attention to these effects.
Typical truss girder behaviour modelling modes using finite element
method (FEM) are illustratred so to predict their values, and take them
in the final estimate if needed. The steel truss girder made of hollow
rectangular sections with welded joints is reviewed in detail and numerically
exemplified. The accuracies are compared and recommendations are given
for the application of each model.
Keywords
Finite element method; Joints; Rectangular hollow sections; Truss girder
Hrčak ID:
56740
URI
Publication date:
30.4.2010.
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