A DOE (Response Surface Methodology) Approach to Predict the Strength Properties of Concrete Incorporated with Jute and Bamboo Fibres and Silica Fumes

Table 5

ANOVA for ,, and.

Source	Compressive strength			Compressive strength			Split tensile strength			Split tensile strength
	DF	F value	value	DF	F value	value	DF	F value	value	DF	F value	value
Model	6	11.01	0.001	6	13.65	≤0.001	6	5.09	0.002	6	7.53	0.003
Linear	3	21.28	≤0.001	3	26.41	≤0.001	3	9.76	0.003	3	14.40	0.001
	1	2.09	0.179	1	1.57	0.239	1	1.81	0.208	1	1.64	0.230
	1	39.39	≤0.001	1	43.50	≤0.001	1	11.99	0.004	1	20.00	0.001
	1	22.00	0.001	1	31.27	≤0.001	1	16.81	0.002	1	21.70	0.001
Square	2	1.49	0.272	2	1.60	0.249	2	0.77	0.487	2	1.39	0.293
	1	0.68	0.002	1	0.80	0.001	1	1.16	0.003	1	2.27	0.005
	1	2.30	0.161	1	2.41	0.152	1	0.39	0.002	1	0.50	0.003
Two-way interaction	1	0.03	0.861	1	0.09	0.767	1	0.13	0.731	1	0.38	0.549
	1	0.03	0.861	1	0.09	0.767	1	0.13	0.731	1	0.38	0.549