Research Article
A Case Study on the Deformation of Metro Foundation Pit in Silt Stratum in North China
Table 3
The energy increment of each step.
| Items | Construction steps | 2 | 3 | 4 | 5 |
| ∆P (J/m) | 4.21 | 9.425 | 38.745 | 53.82 | ∆W (J/m) | 3.95 | 9.005 | 35.24 | 52.775 | ∆U (J/m) | 0.26 | 0.06 | 0.075 | 0.035 | ∆V (J/m) | 0 | 0.365 | 3.43 | 1.01 | ∆U/∆P (%) | 3.09 | 0.32 | 0.095 | 0.035 | ∆V/∆P (%) | 0 | 1.935 | 4.425 | 0.94 |
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