Maritime transportation Identification of degradation processes of seabed protection in ports

To allow more powered manoeuvres in the areas exposed to strong influence of propeller jets the dredging works are followed by seabed protection works.

In ports with bigger water depth to draft ratios assumed for the design (maximum for the port) vessel the three layered granular filter of rip rap, a block mat on geotextile or a stone asphalt mat with riprap can be applied (Gijt & Broeken, 2005).