Research Article
Seismic Behavior of Qinghai-Tibetan Railway Embankment in Permafrost Regions: A Case Study
Table 1
Soil mechanics parameters at the survey area.
| | Lithology | Water content (%) | Temperature (°C) | Density (kN/m3) | Elastic modulus (kPa) | Poisson ratio | Cohesion force (kPa) | Internal frictional angle |
| | Ballast | — | 5 | 20.0 | 2.00E5 | 0.30 | — | — |
| | Roadbed filling | 26.3 | 2 | 19.0 | 6.10E4 | 0.31 | 30 | 23° | | 26.3 | −1 | 19.0 | 1.14E5 | 0.29 | 120 | 32° |
| | Silty clay | 20 | 0.5 | 18.0 | 2.80E4 | 0.35 | 150 | 22° | | 20 | −1 | 18.0 | 5.40E4 | 0.31 | 240 | 30° |
| | Mudstone | 15.2 | −1 | 21.0 | 3.40E5 | 0.25 | 340 | 39° |
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