Mechanical and Dynamic Properties of Hybrid Fiber Reinforced Fly-Ash Concrete

Table 5

HBPC slump and strength variance analysis results.

Index	Sources of variation	Sum of square	Mean square	Freedom	F value	Significance
Concrete slump (mm)	A	16473.7	5491.2	3	43.37
	B	7101.2	2367.1	3	18.7
	C	609.7	203.2	3	1.61	—
	E	759.4	126.6	6
fcu (MPa)	A	10.303	3.434	3	14.77
	B	23.288	7.763	3	33.39
	C	8.692	2.898	3	12.46
	E	1.395	0.233	6
fts (MPa)	A	0.525	0.175	3	19.74
	B	0.112	0.037	3	4.2
	C	0.131	0.044	3	4.92
	E	0.053	0.009	6
fts/fcu	A	0.000096	0.000032	3	9.84
	B	0.00001	0.000003	3	1.03	—
	C	0.00015	0.00005	3	15.46
	E	0.000019	0.000003	6

Note: represents extremely significant, represents significant, and — represents nonsignificant.