荷重効果の非線形性を考慮した鉄筋コンクリート造骨組みの信頼性評価 : 変形性能を指標とする建築物の耐震信頼性

概要

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The ultimate limit state is checked by the load carrying capacity in the current AIJ limit state design code. But the reliability of ultimate limit state should be checked by deformation criterion, because the ductile RC building structures does not collapse when the lateral load exceeds the lateral force resisting capacity, but collapse when the response deformation exceed the deformation capacity. The exceeding probability of response deformation is not equal to that of peak ground acceleration, because the response deformation in nonlinear region is not proportional to the intensity of input earthquake motion. The exceeding probability of response deformation is derived, utilizing the explicit relationship between the reference deformation of equivalent SDOF and the velocity response spectrum. The approximate probability of failure which takes account of variability of deformation capacity is evaluated explicitly utilizing the method proposed by Cornell.
一般社団法人日本建築学会の論文
2001-03-20