Comparison and Selection of Marine Structure Plan for Breakwater in West Port Area of Yantai Port

West Port Area breakwater project of Yantai Port is located in the sea area where deep water level and strong wave exist,the bearing capacity of natural foundation is worse.As for breakwater design,through comprehensive comparison among traditional riprap slope type,compound vertical type,cylindrical caisson vertical type and large cylinder vertical type breakwaters,the economic and reasonable breakwater design plan that suits the project is determined.