Bond behavior of concrete filled steel tubular frames under cyclic horizontal load

Hiroyuki Nakahara, Kenji Sakino, Akihiko Kawano

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4 Citations (Scopus)


Tests were carried out on six frame specimens consisted of square concrete filled steel tubular (CFT) columns and H-shape steel beams. These specimens were open frames which included one-bay and two-story. These specimens were around one-fourth scaling model of lower part of a prototype model structure. The steel tube of the column was 150×150×4.5mm with square section, and the steel beam were H-150×90×6×6mm and H- 150×150×6×9mm. They were subjected to cyclic lateral load at the beam of the second story under constant axial load. The main objective of the tests was to investigate the seismic behavior of the CFT frames basically. In particular, the bond behavior of the inside wall of the square steel tube and inner concrete was also studied. The test parameters were mechanical slip stopper, vacant space of the top of the columns and magnitude of axial load ratio. The load-deformation relations and the transfers of sustained axial force of steel tubes were investigated corresponding to the specimens with different types of mechanism of the stress-transfer between steel tube and concrete.

Original languageEnglish
Pages (from-to)465-472
Number of pages8
JournalJournal of Structural and Construction Engineering
Issue number625
Publication statusPublished - Mar 2008

All Science Journal Classification (ASJC) codes

  • Architecture
  • Building and Construction


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