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.GroupCountFrequency

11.5–2.510.001
22.5–3.520.003
33.5–4.520.003
44.5–5.520.003
55.5–6.550.007
66.5–7.560.008
77.5–8.5170.024
88.5–9.5210.029
99.5–10.5310.043
1010.5–11.5340.048
1111.5–12.5460.064
1212.5–13.5600.084
1313.5–14.5660.092
1414.5–15.51000.14
1515.5–16.51320.185
1616.5–17.51680.235
1717.5–18.52170.303
1818.5–19.52400.336
1919.5–20.53660.512
2020.5–21.53960.554
2121.5–22.54250.594
2222.5–23.54700.657
2323.5–24.55000.699
2424.5–25.55350.748
2525.5–26.55630.787
2626.5–27.55880.822
2727.5–28.56090.852
2828.5–29.56190.866
2929.5–30.56680.934
3030.5–31.56860.959
3131.5–32.57151
3232.5–33.56980.976
3333.5–34.56850.958
3434.5–35.56700.937
3535.5–36.56430.899
3636.5–37.56230.871
3737.5–38.55860.82
3838.5–39.55620.786
3939.5–40.55360.75
4040.5–41.54950.692
4141.5–42.54560.638
4242.5–43.54060.568
4343.5–44.53580.501
4444.5–45.53320.464
4545.5–46.52900.406
4646.5–47.52460.344
4747.5–48.52010.281
4848.5–49.51570.22
4949.5–50.51360.19
5050.5–51.51160.162
5151.5–52.51010.141
5252.5–53.5910.127
5353.5–54.5880.123
5454.5–55.5770.108
5555.5–56.5690.097
5656.5–57.5620.087
5757.5–58.5560.078
5858.5–59.5510.071
5959.5–60.5450.063
6060.5–61.5410.057
6161.5–62.5380.053
6262.5–63.5350.049
6363.5–64.5320.045
6464.5–65.5300.042
6566.5–67.5280.039
6667.5–68.5280.039
6768.5–69.5250.035
6869.5–70.5230.032
6970.5–71.5230.032
7071.5–72.5210.029
7172.5–73.5200.028
7273.5–74.5190.027
7374.5–75.5190.027
7475.5–76.5180.025
7576.5–77.5180.025
7677.5–78.5180.025
7778.5–79.5180.025
7879.5–80.5160.022
7980.5–81.5160.022
8081.5–82.5150.021
8182.5–83.5150.021
8283.5–84.5120.017
8384.5–85.5110.015
8485.5–86.580.011
8586.5–87.570.01
8687.5–88.560.008
8788.5–89.550.007
8889.5–90.540.006
8990.5–91.540.006
9091.5–92.540.006
9192.5–93.540.006
9293.5–94.540.006
9394.5–95.530.004
9495.5–96.520.003
9596.5–97.520.003