Axial Performance of Steel Fiber-Reinforced Rubberized Concrete-Filled Circular Tubular Columns

Table 2

Mixing amount of concrete.

Specimen number	RP (kg·m^−3)	SF (kg·m^−3)	Crushed stone (kg·m^−3)	Sand (kg·m^−3)	Cement (kg·m^−3)	Water (kg·m^−3)	(MPa)
SFRP-1	0	70.7	1257	531.0	422	190	35.3
SFRP-2	26.6	70.7	1257	504.4	422	190	29.8
SFRP-3	53.1	70.7	1257	477.9	422	190	27.1
SFRP-4	53.1	47.1	1257	477.9	422	190	24.5
SFRP-5	53.1	94.2	1257	477.9	422	190	29.2
SFRP-6	53.1	70.7	1257	477.9	422	190	22.3
SFRP-7	53.1	70.7	1257	477.9	422	190	40.6
SFRP-8	0	0%	1257	531.0	422	190	32.3
SFRP-9	53.1	0%	1257	477.9	422	190	23.1
SFRP-10	53.1 (20)	70.7	1257	477.9	422	190	28.2
SFRP-11	53.1 (40)	70.7	1257	477.9	422	190	27.6