Research Article
Predictive Analysis of Settlement Risk in Tunnel Construction: A Bow-Tie-Bayesian Network Approach
Table 5
Membership frequency of the “normal excavation speed.”
| No. | Group | Count | Frequency |
| 1 | 1.5–2.5 | 1 | 0.001 | 2 | 2.5–3.5 | 2 | 0.003 | 3 | 3.5–4.5 | 2 | 0.003 | 4 | 4.5–5.5 | 2 | 0.003 | 5 | 5.5–6.5 | 5 | 0.007 | 6 | 6.5–7.5 | 6 | 0.008 | 7 | 7.5–8.5 | 17 | 0.024 | 8 | 8.5–9.5 | 21 | 0.029 | 9 | 9.5–10.5 | 31 | 0.043 | 10 | 10.5–11.5 | 34 | 0.048 | 11 | 11.5–12.5 | 46 | 0.064 | 12 | 12.5–13.5 | 60 | 0.084 | 13 | 13.5–14.5 | 66 | 0.092 | 14 | 14.5–15.5 | 100 | 0.14 | 15 | 15.5–16.5 | 132 | 0.185 | 16 | 16.5–17.5 | 168 | 0.235 | 17 | 17.5–18.5 | 217 | 0.303 | 18 | 18.5–19.5 | 240 | 0.336 | 19 | 19.5–20.5 | 366 | 0.512 | 20 | 20.5–21.5 | 396 | 0.554 | 21 | 21.5–22.5 | 425 | 0.594 | 22 | 22.5–23.5 | 470 | 0.657 | 23 | 23.5–24.5 | 500 | 0.699 | 24 | 24.5–25.5 | 535 | 0.748 | 25 | 25.5–26.5 | 563 | 0.787 | 26 | 26.5–27.5 | 588 | 0.822 | 27 | 27.5–28.5 | 609 | 0.852 | 28 | 28.5–29.5 | 619 | 0.866 | 29 | 29.5–30.5 | 668 | 0.934 | 30 | 30.5–31.5 | 686 | 0.959 | 31 | 31.5–32.5 | 715 | 1 | 32 | 32.5–33.5 | 698 | 0.976 | 33 | 33.5–34.5 | 685 | 0.958 | 34 | 34.5–35.5 | 670 | 0.937 | 35 | 35.5–36.5 | 643 | 0.899 | 36 | 36.5–37.5 | 623 | 0.871 | 37 | 37.5–38.5 | 586 | 0.82 | 38 | 38.5–39.5 | 562 | 0.786 | 39 | 39.5–40.5 | 536 | 0.75 | 40 | 40.5–41.5 | 495 | 0.692 | 41 | 41.5–42.5 | 456 | 0.638 | 42 | 42.5–43.5 | 406 | 0.568 | 43 | 43.5–44.5 | 358 | 0.501 | 44 | 44.5–45.5 | 332 | 0.464 | 45 | 45.5–46.5 | 290 | 0.406 | 46 | 46.5–47.5 | 246 | 0.344 | 47 | 47.5–48.5 | 201 | 0.281 | 48 | 48.5–49.5 | 157 | 0.22 | 49 | 49.5–50.5 | 136 | 0.19 | 50 | 50.5–51.5 | 116 | 0.162 | 51 | 51.5–52.5 | 101 | 0.141 | 52 | 52.5–53.5 | 91 | 0.127 | 53 | 53.5–54.5 | 88 | 0.123 | 54 | 54.5–55.5 | 77 | 0.108 | 55 | 55.5–56.5 | 69 | 0.097 | 56 | 56.5–57.5 | 62 | 0.087 | 57 | 57.5–58.5 | 56 | 0.078 | 58 | 58.5–59.5 | 51 | 0.071 | 59 | 59.5–60.5 | 45 | 0.063 | 60 | 60.5–61.5 | 41 | 0.057 | 61 | 61.5–62.5 | 38 | 0.053 | 62 | 62.5–63.5 | 35 | 0.049 | 63 | 63.5–64.5 | 32 | 0.045 | 64 | 64.5–65.5 | 30 | 0.042 | 65 | 66.5–67.5 | 28 | 0.039 | 66 | 67.5–68.5 | 28 | 0.039 | 67 | 68.5–69.5 | 25 | 0.035 | 68 | 69.5–70.5 | 23 | 0.032 | 69 | 70.5–71.5 | 23 | 0.032 | 70 | 71.5–72.5 | 21 | 0.029 | 71 | 72.5–73.5 | 20 | 0.028 | 72 | 73.5–74.5 | 19 | 0.027 | 73 | 74.5–75.5 | 19 | 0.027 | 74 | 75.5–76.5 | 18 | 0.025 | 75 | 76.5–77.5 | 18 | 0.025 | 76 | 77.5–78.5 | 18 | 0.025 | 77 | 78.5–79.5 | 18 | 0.025 | 78 | 79.5–80.5 | 16 | 0.022 | 79 | 80.5–81.5 | 16 | 0.022 | 80 | 81.5–82.5 | 15 | 0.021 | 81 | 82.5–83.5 | 15 | 0.021 | 82 | 83.5–84.5 | 12 | 0.017 | 83 | 84.5–85.5 | 11 | 0.015 | 84 | 85.5–86.5 | 8 | 0.011 | 85 | 86.5–87.5 | 7 | 0.01 | 86 | 87.5–88.5 | 6 | 0.008 | 87 | 88.5–89.5 | 5 | 0.007 | 88 | 89.5–90.5 | 4 | 0.006 | 89 | 90.5–91.5 | 4 | 0.006 | 90 | 91.5–92.5 | 4 | 0.006 | 91 | 92.5–93.5 | 4 | 0.006 | 92 | 93.5–94.5 | 4 | 0.006 | 93 | 94.5–95.5 | 3 | 0.004 | 94 | 95.5–96.5 | 2 | 0.003 | 95 | 96.5–97.5 | 2 | 0.003 |
|
|