Out-of-Plane Dynamic Response of Elliptic Curved Steel Beams Based on the Precise Integration Method

The dynamic response of curved steel beams has long been a research focus in bridges. formula for the under moving load was derived according to basic principles precise integration method. Combined with necessary conditions this method, stiffness matrix variable-curvature beam obtained using inversion, and mass structure concentrated by applying loads masses at different speeds beam. Finite element simulation laboratory curved-beam models were established. By comparing measurement results against theoretical data study, we propose that our theory practical engineering significance. It can be used as basis study variable curvature structures guiding construction beams.