Research Article
Effect of Size on the Stability of Narrow Foundation Pits
Table 4
Critical width of foundation pits when supporting piles are embedded in different depths (m).
| The corresponding width of the two theories | Critical width of foundation pits when supporting piles are embedded in different depths (m) | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| B QC (φ = 14.5°) | 3.87 | 5.17 | 6.46 | 7.75 | 9.04 | 10.33 | 11.62 | B QC (φ = 20°) | 4.28 | 5.71 | 7.14 | 8.57 | 10.00 | 11.42 | 12.85 | B QC (φ = 30°) | 5.20 | 6.93 | 8.66 | 10.39 | 12.12 | 13.86 | 15.59 | B HCmin | 5.20 | 6.33 | 7.42 | 8.49 | 9.54 | 10.58 | 11.62 | B SC (φ = 20°) | 4.28 | 5.71 | 7.14 | 8.49 | 9.54 | 10.58 | 11.62 | B GC (φ = 20°) | 4.28 | 5.51 | 6.73 | 7.95 | 9.17 | 10.40 | 11.62 |
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