Experimental behaviour of slender circular concrete-filled stainless steel tubular columns under axial compression

Stainless steel has many desirable properties which can be taken advantage of in structural applications. A total of 12 test results of circular concrete-filled stainless steel tubular columns under axial compression were presented in this paper. Several existing design codes, including the Australian design code AS 5100, American code AISC, Chinese code DBJ 13-51-2003 and Eurocode 4, are used to predict the column strength and to compare with the test results. It seems that all these codes underestimate the column strength ranged from 10% to 24% on average. Compared with conventional composite columns comprised of carbon steel, the predictions are a little more conservative