Includes wave-action, erosion and accretion, types of sea-walls, reinforced-concrete sea-defense, other types of protection by sea-walls, the action of sea water on cement and concrete, groynes, design of sea-walls, erosion versus accretion, materials and methods of preservation of sea-works, harbor projections and their effect upon the travel of sand and shingle, wave-action on harbor break-waters and piers.
