Research Article
Uplift Test and Design Method for Bearing Capacity of Isolated Spread Concrete Foundation Slab with Large Width-to-Height Ratio
Table 4
Failure characteristics of the test specimens.
| | Specimen | N | Pu (kN) | Failure mode |
| | NJ1 | 4 | 260 | C | | NJ2 | 4 | 192 | C | | NJ3 | 5 | 155 | C | | NJ4 | 8 | 192 | G | | NJ5 | 8 | 138 | G | | NJ6 | The cracks appear circular and dense | 160 | I | | NJ7 | 8 | 107 | G | | NJ8 | The cracks appear dense | 92 | I | | NJ9 | 4 | 242 | C | | NJ10 | 4 | 210 | C | | NJ11 | 5 | 155 | C | | NJ12 | 5 | 180 | G | | NJ13 | 7 | 150 | G | | NJ14 | The cracks appear circular and dense | 124 | I | | NJ15 | The cracks appear circular and dense | 124 | I | | NJ16 | 5 main cracks | 86 | C |
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C: cross-shaped bending failure; G: grid-shaped bending failure; I: incomplete bending failure.
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