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

Table 4

Comparison of experimental and predicted strengths.

Mix designation	Compressive strength				Split tensile strength
	14 days		28 days		14 days		28 days
	Exp	RSM	Exp	RSM	Exp	RSM	Exp	RSM
SFBJ1	28.79	28.24	32.71	32.43	2.61	2.51	2.97	2.88
SFBJ2	22.41	22.22	26.29	26.36	2	2.07	2.3	2.42
SFBJ3	23.32	22.81	26.4	26.75	2.1	2.05	2.4	2.41
SFBJ4	27.6	26.32	31.72	30.69	2.3	2.21	2.5	2.58
SFBJ5	21.1	22.02	24.1	25.65	1.97	2.06	2.11	2.37
SFBJ6	27.6	26.00	31	29.77	2.1	2.21	2.4	2.57
SFBJ7	27.61	24.23	30.12	28.45	2.1	2.29	2.54	2.64
SFBJ8	27	25.14	30.7	29.75	2.5	2.26	2.81	2.64
SFBJ9	29.34	29.42	33.72	33.37	2.42	2.45	2.81	2.81
SFBJ10	31	26.16	34.1	30.24	2.67	2.30	3.1	2.67
SFBJ11	31	26.16	34.3	30.24	2.67	2.30	3.1	2.67
SFBJ12	24.61	25.32	28.29	29.04	2.2	2.32	2.55	2.65
SFBJ13	31	26.16	34.1	30.24	2.67	2.30	3.1	2.67
SFBJ14	26	28.45	30.7	32.98	2.1	2.40	2.3	2.77
SFBJ15	25.33	25.91	28.46	29.43	2.23	2.30	2.59	2.65