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

Table 5

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

Concrete type	Bulk density (Mg/m^3)	SD	Apparent density (Mg/m^3)	SD	Porosity (%)	SD	Absorption	SD
NSAC18.9	2.130	0.002	2.350	0.003	8.900	0.010	4.100	0.005
NSAC20.7	2.150	0.001	2.340	0.001	8.400	0.005	3.800	0.002
NSAC22.4	2.150	0.002	2.330	0.002	8.050	0.006	3.700	0.003
NSAC24.1	2.170	0.003	2.320	0.003	7.400	0.009	3.250	0.004
VBAC18.9	1.820	0.006	2.100	0.006	11.700	0.036	6.200	0.019
VBAC20.7	1.840	0.009	2.090	0.010	11.300	0.055	5.980	0.029
VBAC22.4	1.850	0.005	2.080	0.006	10.500	0.030	5.600	0.016
VBAC24.1	1.870	0.012	2.070	0.014	9.850	0.066	5.100	0.034
RSAC18.9	1.960	0.008	2.290	0.009	11.010	0.045	5.700	0.023
RSAC20.7	1.970	0.023	2.280	0.027	10.300	0.122	5.300	0.063
RSAC22.4	1.970	0.022	2.280	0.026	9.800	0.111	5.100	0.058
RSAC24.1	2.000	0.025	2.270	0.028	9.210	0.115	4.700	0.059
RBAC18.9	1.780	0.020	2.070	0.024	15.550	0.178	8.600	0.099
RBAC20.7	1.790	0.025	2.060	0.029	14.800	0.206	8.150	0.113
RBAC22.4	1.800	0.041	2.050	0.047	14.300	0.326	7.850	0.179
RBAC24.1	1.810	0.074	2.040	0.083	13.200	0.537	7.200	0.293

Note: SD: standard deviation.