Research Article
An Alternative to Clay in Building Materials: Red Mud Sintering Using Fly Ash via Taguchi’s Methodology
Table 6
Composition and properties of bricks.
| | | Brick composition | Properties of bricks | | | Red mud (%) | Fly ash (%) | CCS (kg/cm2) | WA (%) | Efflorescence | Bulk density (g/cc) | Class of brick |
| | Composition 1 | 50 | 50 | 31.7 | 24.0 | Nil | 1.47 | Class 3.5 | | Composition 2 | 45 | 55 | 66.93 | 24.50 | Nil | 1.49 | Class 5 | | Composition 3 | 40 | 60 | 86.73 | 23.8 | Nil | 1.50 | Class 7.5 | | Composition 4 | 35 | 65 | 134.18 | 24.10 | Nil | 1.51 | Class 12.5 |
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