Research on and Construction of the Concrete-filled Steel Tube Column System in Japan

Morino, Shosuke;Kawaguchi, Jun

  • Published : 20051200

Abstract

Concrete-filled steel tube (CFT) column system has many advantages compared with ordinary steel or reinforced concrete system. One of the main advantages is the interaction between steel tube and concrete: occurrence of the local buckling of steel tube is delayed by the restraint of concrete; the strength of concrete is increased by the confining effect provided from the steel tube. Extensive research work has been done in Japan last 15 years, including ‘New Urban Housing Project’ and ‘US-JapanCooperative Earthquake Research Program’, in addition to the work done by individual universities and industries, which has been presented at the annual meeting of Architectural Institute of Japan (AU). Mie University has also been contributing to the development of the CFT column system in a great extent. This paper introduces the merits, the research activities and findings, the design provisions and the recent construction trends of CFT column system in Japan.

Keywords

References

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