Additional Reinforcement in Fixed Fender Structure to Increase Hull Strength

Abstract

Types of some fenders on the ship are fixed fenders or inflatable fenders. The most critical part of the hull structure has damaged at fender when it anchoring on the dock or jetty. Some locations of ship's fender structures may experience structural failure such as deformation, buckling, or fracture structures when ship has anchoring on the dock. Especially in fixed fender type, which form as a protector of the hull of a regular ship made of half-pipe material or a box shape. Some reinforcement can be done to increase fixed fender strength by adding and modifying the inside structure such as insert plate, doubling, additional half round plate and addition of flat bar reinforcement structure. Some ways to know the strength of fender structure can be calculated the amount of modulus actual, so it will affect the stresses that occur in structure. The strength of the fixed fender structure in capable the existing load will prevent damage to the hull structure of the ship so that the vessel is safe under operation conditions at the Port. The analysis of stress and shape behaviour of fixed fender structure can be analysed by using finite element analysis (FEA) which is a numerical analysis, structure component dividing into the forms of elements associated with nodal that can move due to effect on the work load. The result of finite element method analysis will give visualization of stress value and the amount of deformation that occurs on the fixed fender structure.