井上一朗氏の討論に対する回答

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The discussion is focused on the definition of energy input rate and the relationships between energy input rate and yield strength. First, Dr. Inoue proposed that energy input rate should not include an elastic component, because the elastic component is charged during the preceding cycle. However, the authors still insist that the energy input rate should include the elastic component from the viewpoint of earthquake load effect to structures which can be applied consistently to structures of poor to rich ductility. The energy input rate of Inoue's definition converges to zero for non-ductile linear-like systems which will cause an awful procedure in design. Second, Dr. Inoue stated that the energy input rate excluding the elastic component is regardless of system's yield strength. His statement obviously violates the theory of displacement conservation. The authors demonstrated that the energy input rate, even though the elastic component is excluded, is not constant but is influenced by the yield strength.
1998-09-30