Research Article
Microbial-Induced Carbonate Precipitation for Strengthening Soft Clay
Table 6
Detail of CaCO3 in height of soft clay specimens (curing time 28 d).
| Specimen no. | Nutrient concentration (mol/L) | CaCO3 content (g) | Average CaCO3 (g) | Stress (kPa) | Average stress (g) |
| 0.00 a | 0.00 | — | — | 20.29 | 17.89 | 0.00 b | 0.00 | — | 15.48 | 0.50 a | 0.50 | 3.56 | 2.97 | 44.94 | 43.31 | 0.50 b | 0.50 | 2.39 | 41.67 | 0.75 a | 0.75 | 3.73 | 3.32 | 30.30 | 28.89 | 0.75 b | 0.75 | 2.91 | 27.47 | 1.00 a | 1.00 | 4.62 | 3.52 | 31.11 | 30.19 | 1.00 b | 1.00 | 2.41 | 29.26 |
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