Research Article
Mechanical Strength and Microstructure of Soft Soil Stabilized with Cement, Lime, and Metakaolin-Based Geopolymer Stabilizers
Table 3
Laboratory testing program.
| | Parameters | Geopolymer stabilization | Cement and lime stabilization |
| | Materials | Soft soil (SS), MK | SS, lime, cement | | Alkali activator (L) | 70% Na2SiO3 + 30% NaOH | — | | MK content | 15% | — | | Cement and lime content | — | 15% | | L/MK | 0.8 | — | | Soil and water content (LL) | 0.75 | 0.75 | | Water/binder ratio (w/b) | 0.8 | 0.8 | | Curing time (days) | 14 | 14 | | Test | Triaxial (UU) | Triaxial (UU) |
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