Table 1 Physical and mechanical parameters of the soils.
From: Longitudinal seismic responses of large diameter shield tunnel crossing liquefied bank slope
Soil name | Maximum initial shear modulus G0 (MPa) | Weight (kN/m3) | Internal friction angle ϕ (°) | Young’s modulus (MPa) | Poisson’s ratio v |
---|---|---|---|---|---|
①1 silty fine sand | 33 | 19.6 | 34.2 | 4.5 | 0.37 |
①2 silty sand | 63 | 19.3 | 28.0 | 4.5 | 0.34 |
①1–2-1 silty clay mixed with silt | 47 | 18.3 | 33.9 | 7.8 | 0.34 |
② silty clay | 109 | 18.9 | 24.7 | 2.3 | 0.37 |
③1 muddy clay | 18 | 18 | 21.3 | 1.5 | 0.39 |
③2 silty sand | 49 | 19.3 | 31.2 | 3.9 | 0.34 |
③3 muddy silty | 46 | 18.1 | 19.9 | 1.5 | 0.39 |
③4 silt and silty | 114 | 18.3 | 25.3 | 6.5 | 0.34 |
③5 muddy silty | 46 | 18.0 | 23.6 | 2.5 | 0.39 |
④1 silty clay mixed silt | 59 | 18.1 | 24.5 | 5.2 | 0.34 |
④1–1 silty fine sand | 172 | 19.1 | 35.2 | 9.2 | 0.29 |
④2 silty soils | 123 | 18.2 | 28.6 | 10.5 | 0.32 |
⑤ fine sand | 216 | 19.8 | 33.6 | 40.9 | 0.26 |
⑤1 silty fine sand | 201 | 19.6 | 34.0 | 22.9 | 0.29 |
⑥1 medium-coarse sand | 220 | 20.2 | 35.2 | 48.0 | 0.27 |
⑥1–1 silty sand | 250 | 19.3 | 38.2 | 37.5 | 0.25 |
⑦ silty sand | 304 | 20 | 31.6 | 26.0 | 0.34 |