We propose new supporting system ofbas 。 columns that have superier flexibility without failure under high axial compression . In this system , base celumn and its bed are divided by hernispheric surface , In this paper, we explain the mechanism and the detail ofthe syst 。 m at ftrst , and report its fundamental properties and restoring force characteristics obtained through an axial compr 。 s・ sion test and several shear −bending tests with axia 監compression . As a resu 阯, the support has su 価

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... cient compressive strength under axial compression 鋤 d the proposed s 廿 uctural system consists ofthe support and the column has superior fiexibility and desirable restoring fbrce characteristics .