Closely Spaced Piles as a Breakwater Open PDF Document Details Document Type Technical Report Publication Date May 01, 1961 Accession Number AD0265096 Entities People R.l. Wiegel Organizations University of California, Berkeley Tags Communities of Interest Energy and Power Technologies DTIC Thesaurus Topics Breakwaters California Diameters Engineering Governments Numbers Phase Shift Pile Structures Procurement Scale Models Square Roots United States United States Government Water Waves Wave Power Waves Technology Areas Space Space - Space Objects