ABSTRACT
In this study, a simplified collision model of pile protective structures against a navigation vessel was proposed and verified. The model of pile protective structure was composed by two plastic hinges at below of cap slab and the inside of ground. A equation of motions was developed in considering of the kinematic energy, potential energy and deformation energy in collision event. The developed simplified model was verified by the precise finite element collision analysis of the vessel and the protective structure. The parametric study was performed by using the simplified collision model. As a result, the collision behaviors of the protective structures could be tuned by the control of the inertia mass of capping slab.
