Research Article
Utilization of Electroplating Sludge as Subgrade Backfill Materials: Mechanical and Environmental Risk Evaluation
Table 2
Experimental tests carried out.
| | Mixture | Binder (%) | Mixture | Binder (%) | | PC | CFA | Water | PC | CFA | Water |
| | UCS | | | | Leaching | | | | | 1 | 15 | 0 | 5 | 1 | 0 | 0 | 0 | | 2 | 20 | 0 | 5 | 2 | 10 | 0 | 8.5 | | 3 | 30 | 0 | 5 | 3 | 15 | 0 | 8.5 | | 4 | 15 | 15 | 0 | 4 | 20 | 0 | 8.5 | | 5 | 20 | 10 | 0 | 5 | 30 | 0 | 8.5 | | 6 | 15 | 15 | 5 | 6 | 10 | 20 | 8.5 | | 7 | 20 | 10 | 5 | 7 | 15 | 15 | 8.5 | | 8 | 15 | 15 | 10 | 8 | 20 | 10 | 8.5 | | 9 | 20 | 10 | 10 | — | — | — | — |
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