Axial Compression Behavior of Rubberized Concrete-Filled Square Steel Tubular Columns after Exposed to High Temperatures

Table 1

Mix proportion of rubberized concrete.

No.	Replacement (%)	RA (kg·m^−3)	C (kg·m^−3)	FA (kg·m^−3)	CA (kg·m^−3)	W (kg·m^−3)
R0	0	0	418	613	1164	205
R5	5	30.7	418	582.3	1164	205
R10	10	61.3	418	551.7	1164	205
R20	20	122.6	418	490.4	1164	205