. Design for implosion of concrete cylinder structures under hydrostatic loading. Underwater concrete construction; Hydraulic structures. The known terms are w, w , and AR.. Hence, radial displacements due m 1 '^ to bending can be calculated as: w + AR. - w (B-3) An estimate of the magnitude of strain on the inside and outside wall surfaces can be made because w and w, are now known. Mem- m b brane strain is calculated from: (B-4) and bending strain is calculated from an expression developed in Reference 19 as: ^ 2 r2 (B-5). 0.05 0.10 0.15 0.20 Radial Displacements, w (in.) Figure B-25. Radial
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. Design for implosion of concrete cylinder structures under hydrostatic loading. Underwater concrete construction; Hydraulic structures. The known terms are w, w , and AR.. Hence, radial displacements due m 1 '^ to bending can be calculated as: w + AR. - w (B-3) An estimate of the magnitude of strain on the inside and outside wall surfaces can be made because w and w, are now known. Mem- m b brane strain is calculated from: (B-4) and bending strain is calculated from an expression developed in Reference 19 as: ^ 2 r2 (B-5). 0.05 0.10 0.15 0.20 Radial Displacements, w (in.) Figure B-25. Radial displacement behavior Table B-6 summarizes the along length of Group 3 cylinders having t/D^ = 0.037 and simple ultimate radial displacements and support at a pressure load of o.95P, n, . calculated strains. It is interesting to note that although w, is typi- cally several times the magnitude of w , the calculated strains e and s, are nearly equal. At implosion m m b J ^ f the strains at the flat-spot location on the inside wall experienced slight tension while on the outside wall strains were on the order of 4, 000 pin./in. compression. 69. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Haynes, H. H; Naval Construction Battalion Center (Port Hueneme, Calif. ). Civil Engineering Laboratory. Port Hueneme, Calif. : Naval Construction Battalion Center
