SBHS500材を適用した鋼製橋脚の耐震性能評価

抄録

Recently developed SBHS steel has a high yield strength than conventional steels, the cost per strength as compared with conventional steel is superior to conventional steel. However, the behavior of the plastic zone of the structural member with SBHS steel has not been clarified, the energy absorbing member in the seismic design, such as steel piers at present, cannot be applied. In this study, produced a specimen of steel bridge pier by the elastic-plastic designed SBHS steel and conventional steel for the L2 level of ground motion (SM490Y), this to investigate the mechanical properties of when the seismic force is applied, to evaluate the seismic performance in the plastic region of SBHS steel piers.