Research Article
Numerical Simulation of Bedrock Sagging Sinkholes in Strain-Softening Rock Induced by Embankment Construction
Table 5
Survey results of in situ stress.
| | No. | Depth (m) | σh,max | σh,min | σv | | Value (MPa) | Direction | Dip angle (°) | Value (MPa) | Direction | Dip angle (°) | Value (MPa) | Direction | Dip angle (°) |
| | S1 | 37 | 3.48 | N84°E | 8 | 1.43 | S7°E | –5 | 1.25 | S50°W | –100 | | S2 | 42 | 3.98 | N69°E | 13 | 1.67 | S21°E | –2 | 1.60 | S62°W | –103 | | S3 | 47 | 3.76 | N65°E | 4 | 1.79 | S26°E | –6 | 1.55 | S6°W | –97 | | S4 | 57 | 4.27 | N77°E | 1 | 1.91 | S13°E | –3 | 1.83 | S6°W | –93 | | S5 | 45 | 3.54 | N84°E | 5 | 2.01 | S7°E | –13 | 1.74 | S15°W | –104 | | S6 | 52 | 3.77 | N82°E | 12 | 2.3 | S10°E | –11 | 2.09 | S38°W | –106 | | S7 | 48 | 3.46 | N82°E | 7 | 1.8 | S9°E | –9 | 1.65 | S27°W | –102 | | S8 | 56 | 4.01 | N87°E | 9 | 2.12 | S3°E | –1 | 1.89 | S83°W | –99 |
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