Determination of Optimized Mix Design of Reactive Powder Concrete

Table 15

Taguchi analysis for optimal water absorption.

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
Smaller is better
Level	Cement	Silica sand	Silica powder	Silica fume	Superplasticizer	Water
1	0.482	0.746	0.076	−0.109	0.364	0.573
2	0.103	0.087	−0.095	0.401	0.599	0.227
3	0.532	0.282	1.135	0.824	0.153	0.315
Delta	0.429	0.659	1.231	0.933	0.445	0.346
Rank	5	3	1	2	4	6
Response table for means
Level	Cement	Silica sand	Silica powder	Silica fume	Superplasticizer	Water
1	0.952	0.923	0.994	1.014	0.964	0.944
2	0.991	0.993	1.015	0.962	0.945	0.979
3	0.950	0.976	0.883	0.916	0.983	0.969
Delta	0.042	0.698	0.132	0.098	0.038	0.035
Rank	5	3	1	2	4	6