Research Article
Effects of Outlets on Cracking Risk and Integral Stability of Super-High Arch Dams
Table 5
Characteristic stresses at various key locations from both the analysis cases A and B (Unit: MPa).
| | Location | Content | Case A | Case B |
| | Up stream surface | Maximal tensile stress of dam heel | 0.67 | 0.85 | | Maximal tensile stress near left arch abutment | 0.61 | 0.82 | | Maximal tensile stress near right arch abutment | 0.1 | 0.1 |
| | Down stream surface | Maximal compression stress of dam toe | 15.7 | 16.8 | | Maximal compression stress near left arch abutment | 16.9 | 17.1 | | Maximal compression stress near right arch abutment | 16.3 | 16.7 |
| | Upstream of bottom outlet | Maximal tensile stress of side wall | −1 | — | | Maximal tensile stress of roof | 0 | — | | Maximal tensile stress of floor | −0.1 | — |
| | Downstream of bottom outlet | Maximal tensile stress of side wall | 0.7 | — | | Maximal tensile stress of roof | 0 | — | | Maximal tensile stress of floor | 0 | — |
| | Surface outlets | Maximum tensile stress in upstream surface | 1.8 | — | | Maximum tensile stress in downstream surface | 1.9 | — |
| | Middle outlets | Maximum tensile stress in upstream surface | 1.5 | — | | Maximum tensile stress in downstream surface | 1.7 | — |
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