Analysis and Prediction of Compressive Properties for Steel Fiber-and-Nanosilica-Reinforced Crumb Rubber Concrete

Table 5

Test results.

Group	Slump (mm)	(MPa)	(MPa)		(mm)	(GPa)		(×10^−3)
CR5SF0	70	35.6	26.8	0.73	0.224	22.2	0.349	1.50
CR5SF0.5	68	38.6	29.2	0.75	0.294	23.6	0.538	1.96
CR5SF1	65	40.3	31.9	0.79	0.393	25.2	0.716	2.62
CR5SF1.5	50	37.6	28.4	0.75	0.439	25.6	0.761	2.93
CR5SF1NS1	43	45.1	35.4	0.78	0.459	28.7	0.741	3.06
CR5SF1NS2	28	46.4	36.2	0.78	0.581	30.4	0.811	3.87

Note: R_e.1.0 stands for the toughness index.