| 英文摘要 |
Research was undertaken in this study to investigate the full-range structural hysteretic behavior, in particular post-peak response, of reinforced concrete short columns. The test variables included seismic detailing(either ductile or nonductile), aspect ratio(either 3 or 4) and whether there is an alternative path for load redistribution after local shear failure. A total of 4 plane specimen frames were built; each was subjected to a unidirectional base motion on a shaking table until global collapse was observed. The tests successfully demonstrated pure shear type of column failure. Test data are compared with simplified assessment models recently proposed in ASCE/SEI 41-06 updates, which prove conservative in estimating shear strength and drift capacity of short columns tested in this study. |
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