Study of Mechanical Properties of Galfan Cables under Cyclic Tension

Abstract

In this study, cyclic tension tests were conducted on ordinary Galfan cables and locked coil Galfan cables with diameters of 40 mm to evaluate their mechanical properties under cyclic tension. The mechanical behavior of the two kinds of Galfan cables under monotonic loading and cyclic tension was analyzed, while the differences in strength and the mechanical properties of the two kinds of Galfan cables and the effects of different loading systems on the mechanical properties of the two kinds of cables were obtained. The Ramberg–Osgood model was used to fit the skeleton curve. The elastic and inelastic behaviors during loading and unloading were studied. The change in elastic modulus of the Galfan cable with respect to cyclic load is proposed, and the exponential model of strain and elastic modulus under cyclic load is established, which lays a foundation for the accurate finite element analysis of cable structure response under strong earthquake and other accidental loads.