Ductility and Hysteresis Model of CFT Column Members

Kiyomitsu MURATA; Masato YAMADA; Manabu IKEDA; Masayuki TAKIGUCHI; Tadatomo WATANABE; Masanori KINOSHITA

doi:10.2219/rtriqr.40.171

PAPERS

Ductility and Hysteresis Model of CFT Column Members

Kiyomitsu MURATA, Masato YAMADA, Manabu IKEDA, Masayuki TAKIGUCHI, Tadatomo WATANABE, Masanori KINOSHITA

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Keywords: Seismic design code, Concrete filled tubular steel column, Plastic ductility, Hysteresis rule

JOURNAL FREE ACCESS

1999 Volume 40 Issue 3 Pages 171-176

DOI https://doi.org/10.2219/rtriqr.40.171

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Abstract

The new seismic design code adopted for railway structures in Japan is a system to check whether the response calculated through dynamic analysis satisfies the seismic performance of railway structures. To aim at a seismic design method, it is necessary to quantitatively evaluate the bearing capacity and ductility of members that compose a structure. In this paper, the range of application of the quantitative evaluation proposed in the past researches was expanded about the concrete filled tubular steel columns. The quantitative evaluation of bearing capacity and ductility correspondent to the damage degree was re-evaluated.

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