Research Article
Fracture Analysis of Brittle Materials Based on Nonlinear FEM and Application in Arch Dam with Fractures
Table 5
Unbalanced force of cracks under overload
(10
4 N).
| | Number | Crack | Scheme 1 | Scheme 2 | Scheme 3 |
| | 1 | 13-1 | 0.00 | 0.00 | 12.54 | | 2 | 13-2 | 0.02 | 0.87 | 221.69 | | 3 | 20-1 | 0.00 | 0.00 | 2.83 | | 4 | 20-2 | 0.03 | 0.70 | 7614.90
*
| | 5 | 22-1 | 0.00 | 0.00 | 0.00 | | 6 | 22-3 | 0.00 | 0.00 | 0.00 | | 7 | 22-4 | 0.00 | 0.00 | 0.00 | | 8 | 25-1 | 0.00 | 0.00 | 8.00 | | 9 | 28-1 | 0.00 | 0.94 | 65.95 | | 10 | 28-2 | 1.77 | 345.54 | 15810.91
*
| | 11 | 30-1 | 0.02 | 6.04 | 687.85 | | | Dam heel | 415601.5 | 415560.7 | 414973 |
|
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*Dominating cracks in the propagation process.
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