Research Article
Structural Strength Deterioration Characteristics and a Model of Undisturbed Loess under the Action of Wetting and Freeze-Thaw Cycles
Table 5
Fitting formula for loess expansion rate under freeze-thaw cycles.
| (%) | n | Fitting function | R2 |
| 9 | n ≤ 3 | = 0.1528n + 0.1422 | 0.9268 | n > 3 | = 0.0169n + 0.509 | 0.9772 | 15 | n ≤ 3 | = 0.3057n + 0.2322 | 0.9722 | n > 3 | = 0.0588n + 1.043 | 0.9981 | 20 | n ≤ 3 | = 0.5737n + 0.3379 | 0.9924 | n > 3 | = 0.0543n + 2.2185 | 0.8822 | 25 | n ≤ 3 | = 0.8679n + 0.8049 | 0.9704 | n > 3 | = 0.1431n + 2.9887 | 0.9929 | 30 | n ≤ 3 | = 1.3076n + 1.0666 | 0.9756 | n > 3 | = 0.1458n + 4.9643 | 0.9295 |
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