Research Article
Numerical Simulation and Experimental Studies of Karst Caves Collapse Mechanism in Fractured-Vuggy Reservoirs
Table 7
Comparison of diagram prediction results and actual detection results.
| | Well no. | Actual roof thickness/H (m) | Actual cave span/L (m) | H/L | Actual burial depth (m) | Actual detection result | Stress calculated by formula (MPa) | Formula prediction result |
| | TK 1 | 85 | 10.0 | 8.50 | 4,712 | Not collapsed | 25.55 | Not collapsed | | TK 2 | 123 | 12.0 | 10.25 | 5,267 | Not collapsed | 15.20 | Not collapsed | | TK 3 | 149 | 19.5 | 7.64 | 5,811 | Not collapsed | 23.60 | Not collapsed | | TK 4 | 70 | 9.5 | 7.37 | 6,134 | Not collapsed | 53.23 | Not collapsed | | TK 5 | 55 | 32.0 | 1.72 | 5,485 | Has collapsed | 101.37 | Has collapsed | | TK 6 | 76 | 71.0 | 1.07 | 5,280 | Has collapsed | 169.96 | Has collapsed |
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