Nanosilica-Based Teff Straw as an Eco-Friendly Substitute for Special Concrete

Table 1

Mixing code and design for 1 m³ concrete.

Mix code	Teff Straw (%)	ratio	For 1 of concrete
			Cement (kg)	Water (kg)	Sand (kg)	Coarse agg. (kg)	Teff fiber (kg)
M0	0.00%	0.5	350	181	678	1133	0.00
M1	0.15%	0.5	350	181	678	1133	3.27
M2	0.25%	0.5	350	181	678	1133	5.45
M3	0.35%	0.5	350	181	678	1133	7.63