Determination of Optimized Mix Design of Reactive Powder Concrete

Table 13

Taguchi analysis for optimal compressive strength.

Taguchi design
Taguchi orthogonal array design
L27 (6)
Factors: 6
Runs: 27
Columns of L27 (13) array
1 2 3 4 5 6
Response table for signal-to-noise ratios
Larger is better
Level	Cement	Silica sand	Silica powder	Silica fume	Superplasticizer	Water
1	42.85	42.77	42.42	42.79	42.61	42.63
2	42.21	42.14	42.64	42.60	42.51	42.65
3	42.71	42.86	42.70	42.38	42.65	42.49
Delta	0.65	0.72	0.27	0.40	0.15	0.16
Rank	2	1	4	3	6	5
Response table for means
Level	Cement	Silica sand	Silica powder	Silica fume	Superplasticizer	Water
1	138.9	137.7	132.4	138.1	135.2	135.5
2	129.9	128.0	135.8	135.0	133.7	135.8
3	136.9	139.2	136.6	131.8	135.9	133.5
Delta	10.0	11.2	4.2	6.3	2.2	2.4
Rank	2	1	4	3	6	5