Archive image from page 65 of Design for implosion of concrete. Design for implosion of concrete cylinder structures under hydrostatic loading . designforimplosi00hayn Year: 1979 material was not a good substitu- tion. Figure B-16 shows that specimen 5-2 had a very local failure at the top edge which was a bearing-type failure. Boundary behavior is quanti- fied in Table B-4. For conveni- ence, a nondimensional value, 4), was selected to express boundary behavior as the ratio of radial displacement at the end supports to the radial displacement at midlength of the specimen. A rigid support wou
Archive image from page 65 of Design for implosion of concrete. Design for implosion of concrete cylinder structures under hydrostatic loading . designforimplosi00hayn Year: 1979 material was not a good substitu- tion. Figure B-16 shows that specimen 5-2 had a very local failure at the top edge which was a bearing-type failure. Boundary behavior is quanti- fied in Table B-4. For conveni- ence, a nondimensional value, 4), was selected to express boundary behavior as the ratio of radial displacement at the end supports to the radial displacement at midlength of the specimen. A rigid support would be identified by (}) = 0 and a free support by (]) = 1. Observed boundary perfor- mances showed a small difference between actual and theoretical behavior. For free-support speci- mens the ideal 4) of was closely approximated. Two specimens with t/D = showed free-support behavior where ( was and Specimen 2-3 showed unusual behavior where the bottom of the cylinder moved radially inward the least, = , but the top moved inward the most, (|) = (, the top of the cylinder at the flat spot location moved inward more than the middle). Figure B-12. Fragments of failure hole from specimen 2-2.
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