Maintenance and repair on marine structures

In view of today?s conditions marine structures are very important structures for both import-export, tourism and sea access. Unfortunately, these important structures can?t seen thebenefit they need. Because of high costs, the routine inspections and maintenance planingworks which must be done, are postponed until a dangerous condition appears.However,periodical inspection which have done on time, will extend the structure?s physicallifetime and will reduce the structure?s repair expenses.In this study, for different types of marine structures, what kind of maintenance works shouldbe done in which periods, what kind of inspection methods should be done for damagedstructures and which is the best repair type are told.For this purpose, in which conditions the marine structures which are built with variousmaterials like timber, concrete, stone and steel are exposed to deterioration is searched, thebest inspection and repair methods for this structures are explained with the help of figuresand tables.Some of the structures which are damaged with different ways in our country are studied andthe repair methods applied to this structures are explained.Keywords: Maintenance, cathodic protection, periodical inspection, tremie concrete, marinestructure, grout, damage, repair.1