By jason ericksen se technical consultant to the steel tube institute.
Concrete filled steel column design.
Kim olson and benjamin kaan authored an enews article titled practical guidance for concrete filled hss columns in september 2015.
Concrete however it is necessary to note the main disadvantages of concrete filled steel tube columns.
The concrete filled steel tube cft column system has many advantages compared with the ordinary steel or the reinforced concrete system.
One of the main advantages is the interaction between the.
Design strength of concrete filled steel columns 167 2 2 ultimate member capacity to estimate the ultimate member capacity nuc a slenderness effect represented by a slenderness reduction factor c should be considered for a stub column defined by le do or le b 4 where le the effective length of a column and b the section width of a rectangular tube this.
Abstract an efficient method of resisting lateral loads for buildings in the 60plus story range is to position columns farthest from the building center with shear resisting elements in between.
This publication contains design information for these columns.
Composite concrete filled hss.
A concrete filled structural hollow section provides architects and engineers with a robust and inherently fire resistance column.