Database of strength and ductility of exposed-type column base and experimental study on steel structures

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In this study, the seismic performance of steel column base and steel structures considering the behavior of column base during earthquake motion are investigated experimentally.The first, in order to classify the ultimate behavior of column base, the strength and ductility of column base are reviewed with a large number of past references, from which database is structured.The next, the sub-structure pseudo-dynamic response test on steel frame with exposed-type steel column base are conducted. From the test results, it may be said that the dynamic behavior of column base would affect the overall behavior of the structure.