Abstract

This chapter deals with the behavior and design of high strength steel–concrete filled box columns. A set of design procedures is outlined for short concrete filled high strength steel box column, which considers the inherent differences between mild and high strength steel. It develops a cross-sectional analysis procedure to study the ductility of such columns. Thrust-moment-curvature relationships are developed and a set of strength interaction diagrams are obtained, which are useful in the design of short columns for strength. Issues, such as increased lettable floor area and savings in weight are calculated and discussed as being major advantages of the implementation and use of high strength steel in concrete filled box columns for use in the construction of tall buildings. .

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