Axial Compressive Behavior of Lithium Slag Recycled Coarse Aggregate Concrete-Filled Circular Steel Stub Columns

Table 1

Details of all specimens.

Specimen no.	r (%)	η (%)	RCA (kg·m^−3)	LS (kg·m^−3)	Crushed stone (kg·m^−3)	Sand (kg·m^−3)	Cement (kg·m^−3	Water (kg·m^−3)	fcu (MPa)
C1	0	0	0	0	1922	824	740	190	27.0
C2	0	10	0	74	1922	824	666	190	28.9
C3	0	20	0	148	1922	824	592	190	31.0
C4	0	30	0	222	1922	824	518	190	29.2
C5	30	20	577	148	1345	824	592	190	29.6
C6	50	20	961	148	961	824	592	190	28.2
C7	70	20	1345	148	577	824	592	190	26.8
C8	100	20	1922	148	0	824	592	190	25.9