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

Table 3

Test report on compressive strength and split tensile strength.

Mix-code	Sample no.	Load failure for 150 mm size cubes (KN)	Concrete compressive strength (for 150 mm size cubes) (MPa)	Cylinder no.	Load failure (KN)	Tensile strength (splitting condition) (MPa)
M0	1	557.38	24.77	1	147.98	2.54
	2	742.14	32.98	2	149.87	2.10
	3	629.17	27.96	3	149.11	2.31
	Mean	642.90	28.57	Mean	148.98	2.11
M1	1	736.79	32.75	1	156.49	2.21
	2	762.86	33.90	2	151.67	2.15
	3	752.68	33.45	3	162.59	2.30
	Mean	750.75	33.37	Mean	156.92	2.22
M2	1	587.23	26.10	1	135.46	1.92
	2	515.64	22.92	2	159.78	2.26
	3	603.39	26.82	3	148.69	2.10
	Mean	568.75	25.28	Mean	147.98	2.09
M3	1	572.14	25.43	1	162.12	2.29
	2	609.42	27.09	2	150.47	2.13
	3	594.76	26.43	3	135.94	1.92
	Mean	592.11	26.32	Mean	149.51	2.12