Seismic performance of hollow reinforced concrete columns with densely confined zones.
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概要
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Recently, in order to improve the construction procedure, composite piers have been actively developed and adopted for tall piers. This study proposes a hollow RC pier with densely arranged spiral confinement zones. It is called "DASC" pier. To investigate the seismic performance of DASC pier, a series of cyclic loading tests for five hollow reinforced concrete models with the same column size and the same amount of longitudinal reinforcements were conducted. It was found from the experiment that displacement ductility factors of DASC columns were larger than those of the regular hollow RC columns. It was also found that the ultimate displacements of DASC columns can be satisfactorily predicted by the fiber model.
- 公益社団法人 土木学会の論文
公益社団法人 土木学会 | 論文
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