Experimental Torsional Capacity of Plain Concrete Beams Made from Crushed Clay Brick and Recycled Brick Concrete as Coarse Aggregate

Table 4

Mechanical properties of NSAC, VBAC, RSAC, and RBAC.

Concrete type	Compressive strength (MPa)	SD	Tensile strength (MPa)	SD
NSAC18.9	19.8	0.267	2.2	0.063
NSAC20.7	21.6	0.350	2.6	0.120
NSAC22.4	23.5	0.398	2.9	0.087
NSAC24.1	25.5	0.407	3.5	0.125
VBAC18.9	17.8	0.594	1.8	0.103
VBAC20.7	19.4	0.967	2.0	0.100
VBAC22.4	21.0	0.822	2.2	0.161
VBAC24.1	22.5	0.929	2.5	0.133
RSAC18.9	17.7	0.386	1.8	0.016
RSAC20.7	19.2	0.403	1.9	0.065
RSAC22.4	20.7	0.368	2.2	0.069
RSAC24.1	22.2	0.616	2.4	0.102
RBAC18.9	17.4	0.785	1.7	0.056
RBAC20.7	19.0	0.946	1.9	0.091
RBAC22.4	20.4	1.208	2.1	0.132
RBAC24.1	21.9	1.744	2.3	0.147

Note: SD: standard deviation.