第五部門：応用数理問題（A)

[S05A-02] Probabilistic Evaluation of Control of the Location of Structural Member Fracture in Steel Frame Structures under Severe Earthquakes

*Kensuke Shiomi¹, Akira Igarashi² (1. IHI Corporation, 2. Disaster Prevention Research Institute, Kyoto University)

Keywords:Steel Frame Structure, Low Cycle Fatigue, Structural Member Fracture, Probabilistic Evaluation

For the purpose of the realization of a resilient steel frame structure, this paper proposes a method based on the structural reliability theory to evaluate the probability of controlling the locations of structural member fracture due to the low cycle fatigue at the beam-end in rahmen structure, considering the variation in the low cycle fatigue life of steel materials. It is demonstrated to calculate the probability for an example frame structure whose members’ cross sections were modified.