Damage Model of Multilayered Semi parallel Wire Cables for Bridges with Symmetric Wire Breaks

Abstract:

Based on the theory of Love’s curved bar, the mechanical model for multilayered semi parallel wire cables under static tensile loads with symmetric wire breaks was derived by taking into consideration the inter wire contact and friction as well as the Poisson’s ratio effect on radius of break wire helix. The distribution of wire axial force was studied by numerical calculation and parameter analysis. Results show that the parameters affecting the most the distribution of wire axial force are inter wire friction coefficients and radial position of break wires.