Research Article
Utilization of Sandy Soil as the Primary Raw Material in Production of Unfired Bricks
Table 2
Mix proportions of specimens by weight and the mix code.
| | Mix code | Sandy soil (wt.%) | Cement (wt.%) | GGBS (wt.%) | Quicklime (wt.%) | Gypsum (wt.%) | Water/solid ratio |
| | C25 | 75 | 25 | — | — | — | 0.125 | | C20GG5 | 75 | 20 | 5 | — | — | 0.125 | | C15GG10 | 75 | 15 | 10 | — | — | 0.125 | | C10GG10Q5 | 75 | 10 | 10 | 5 | — | 0.125 | | C8GG10Q5G2 | 75 | 8 | 10 | 5 | 2 | 0.125 | | C8GG10Q3G4 | 75 | 8 | 10 | 3 | 4 | 0.125 |
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