Table 1.

The concrete sample mixes composition.

Concrete Sample Code	Water Dosage, kg/m3	Cement Dosage, kg/m3	Fine Aggregate, kg/m3 (0–4 mm)				Coarse Aggregate (Galala Marble) kg/m3 (<10 mm)	W/C
			Sand	Bulk-Bi2O3	Nano-Bi2O3	Bi2O3 wt%
C-0 Blank	208	417	625	0	0	0	1250	0.50
C-B5	208	417	594	31	0	5
C-B7	208	417	581	44	0	7
C-N5	208	417	594	0	31	5
C-N10	208	417	563	0	63	10
C-N15	208	417	531	0	94	15