3D stress analysis of insulated rail joint

This paper carries ou a stress analysis of the insulated rail joint (IRJ) by creating a 3D finite element model and considering the stress scenario experienced by three different joint bar sizes (width) such as 30mm, 34mm and 40mm. The paper is part of a greater study into the insulated rail joints that is searching for ways to improve the design and assembly methods. This paper considers a static finite element analysis of the IRJ and pesents a comparison of the three joints bar widths. In addition, an analytical study is also carried to calculate the longitudinal stress of the joint bar using the model of a beam on an elastic foundation. The longitudinal stress at the top and bottom of the joint bar is calculated considering bending moment produced by wheel load on the IRJ.