Nonlinear Stress Analysis of Key Joints of Steel Truss Bridge

Abstract Steel truss bridges are widely used in bridge engineering for the advantages of good ability spanning capacity, construction and light self-weight. Main trusses main stressed component steel bridge. And made members connected by integral joints. So, safety joints very important normal operation The superstructure continuous with double decks was selected as example. software, MIDAS/CIVIL is to establish full finite element model Based on results model, 3D joint considering material nonlinearity established software Abaqus. stress distribution under unfavorable external force were analyzed compared. showed that most parts elastic stage, inhomogeneous. stresses greater than members. Except individual concentration areas, center area at edge. All all, example can be guaranteed.