Research Article
Recycling of Oily Sludge as a Roadbed Material Utilizing Phosphogypsum-Based Cementitious Materials
Table 5
Mix proportions of the samples.
| | Sample | OS (g) | PG (g) | Binders (g) | Added water (g) | Total water (g) | | OPC | FA | SF |
| | P1 | 84.0 | 84.0 | 16.8 | 11.8 | 13.4 | 42.0 | 84.0 | | P2 | 42.0 | 126.0 | 16.8 | 11.8 | 13.4 | 63.0 | 84.0 | | P3 | 28.0 | 140.0 | 16.8 | 11.8 | 13.4 | 70.0 | 84.0 | | P4 | 84.0 | 84.0 | 42.0 | — | — | 42.0 | 84.0 | | P5 | 42.0 | 126.0 | 42.0 | — | — | 63.0 | 84.0 | | P6 | 28.0 | 140.0 | 42.0 | — | — | 70.0 | 84.0 |
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