Mechanical Properties of Steel Fibers and Nanosilica Modified Crumb Rubber Concrete

Table 2

The slumps of concrete mixtures (unit: mm).

Group	C35CR5	C45CR5	C45CR10
SF0	64	57	52
SF0.5	70	65	56
SF1.0	73	55	40
SF1.5	52	45	30
SF1NS1	43	41	26
SF1NS2	30	23	20