Abstract: A 5 year research on concrete-filled steel tubular (CFT) column system was carried out as a part of the fifth phase of the U.S.–Japan Cooperative Earthquake Research Program, and the tests of centrally loaded short columns ...

Abstract: Beam columns of concrete-filled steel tubular (CFT) columns are designed using a design formula established by the Architectural Institute of Japan (AIJ). However, the scope of the formula in the current AIJ standard is ...