Table 4.

Mix proportions for self-compacting concrete (kg/m³). CA: coarse aggregate, CR: crumb rubber, FA: fine aggregate, SLF: silica fume, w/b: water to binder.

No	Mixture ID	Cement	SLF	Filler	FA	CA	CR	w/b	SP (%)	VMA (%)
1	SCC-0CR-0SLF	450	0	80	941.61	817.65	0	0.4	1.25	0.24
2	SCC-5CR-0SLF	450	0	80	853.6	817.65	33.12	0.4	1.25	0.24
3	SCC-10CR-0SLF	450	0	80	765.59	817.65	66.24	0.4	1.25	0.24
4	SCC-15CR-0SLF	450	0	80	677.58	817.65	99.37	0.4	1.25	0.24
5	SCC-20CR-0SLF	450	0	80	589.57	817.65	132.49	0.4	1.25	0.24
6	SCC-25CR-0SLF	450	0	80	501.57	817.65	165.61	0.4	1.25	0.24
7	SCC-30CR-0SLF	450	0	80	413.55	817.65	198.73	0.4	1.25	0.24
8	SCC-0CR-5SLF	427.50	22.5	80	937.27	813.87	0	0.4	1.25	—
9	SCC-5CR-5SLF	427.50	22.5	80	849.66	813.87	32.97	0.4	1.25	—
10	SCC-10CR-5SLF	427.50	22.5	80	762.06	813.87	65.94	0.4	1.25	—
11	SCC-15CR-5SLF	427.50	22.5	80	674.46	813.87	98.91	0.4	1.25	—
12	SCC-20CR-5SLF	427.50	22.5	80	586.85	813.87	131.88	0.4	1.25	—
13	SCC-25CR-5SLF	427.50	22.5	80	499.25	813.87	164.85	0.4	1.25	—
14	SCC-30CR-5SLF	427.50	22.5	80	411.64	813.87	197.81	0.4	1.25	—
15	SCC-0CR-10SLF	405	45	80	932.92	810.05	0	0.4	1.25	—
16	SCC-5CR-10SLF	405	45	80	845.72	810.05	32.82	0.4	1.25	—
17	SCC-10CR-10SLF	405	45	80	758.53	810.05	65.63	0.4	1.25	—
18	SCC-15CR-10SLF	405	45	80	671.33	810.05	98.45	0.4	1.25	—
19	SCC-20CR-10SLF	405	45	80	584.13	810.05	131.26	0.4	1.25	—
20	SCC-25CR-10SLF	405	45	80	496.93	810.05	164.08	0.4	1.25	—
21	SCC-30CR-10SLF	405	45	80	409.79	810.05	196.90	0.4	1.25	—