Hierarchical Order of Influence of Mix Variables Affecting Compressive Strength of Sustainable Concrete Containing Fly Ash, Copper Slag, Silica Fume, and Fibres

Table 1

Mix proportions (in kg/m³) considered for experimental study.

Mix ID	Cement	Fly ash	Silica fume	Fine aggregate	Copper Slag	Coarse aggregate	Steel fibre	Polypropylene Fibre
S0	400	—	—	652.0	—	1294	—	—
S1	216	160	24	456.4	195.6	1294	—	—
S2	176	200	24	456.4	195.6	1294	—	—
S3	136	240	24	456.4	195.6	1294	—	—
S4	216	160	24	391.2	260.8	1294	—	—
S5	176	200	24	391.2	260.8	1294	—	—
S6	136	240	24	391.2	260.8	1294	—	—
S7	216	160	24	326.0	326.0	1294	—	—
S8	176	200	24	326.0	326.0	1294	—	—
S9	136	240	24	326.0	326.0	1294	—	—
S10	216	160	24	456.4	195.6	1294	2	—
S11	176	200	24	456.4	195.6	1294	2	—
S12	136	240	24	456.4	195.6	1294	2	—
S13	216	160	24	391.2	260.8	1294	2	—
S14	176	200	24	391.2	260.8	1294	2	—
S15	136	240	24	391.2	260.8	1294	2	—
S16	216	160	24	326.0	326.0	1294	2	—
S17	176	200	24	326.0	326.0	1294	2	—
S18	136	240	24	326.0	326.0	1294	2	—
S19	216	160	24	456.4	195.6	1294	—	2
S20	176	200	24	456.4	195.6	1294	—	2
S21	136	240	24	456.4	195.6	1294	—	2
S22	216	160	24	391.2	260.8	1294	—	2
S23	176	200	24	391.2	260.8	1294	—	2
S24	136	240	24	391.2	260.8	1294	—	2
S25	216	160	24	326.0	326.0	1294	—	2
S26	176	200	24	326.0	326.0	1294	—	2
S27	136	240	24	326.0	326.0	1294	—	2
S28	216	160	24	456.4	195.6	1294	1	1
S29	176	200	24	456.4	195.6	1294	1	1
S30	136	240	24	456.4	195.6	1294	1	1
S31	216	160	24	391.2	260.8	1294	1	1
S32	176	200	24	391.2	260.8	1294	1	1
S33	136	240	24	391.2	260.8	1294	1	1
S34	216	160	24	326.0	326.0	1294	1	1
S35	176	200	24	326.0	326.0	1294	1	1
S36	136	240	24	326.0	326.0	1294	1	1