Research Article

Temporal and Spatial Effect of Surrounding Rock and Supporting Construction of a Large Soil Tunnel

Table 2

Load sharing of primary support and secondary lining.

Measuring pointPositionMileageMileage

1#VaultDK-190 + 617192.9125.40.650.73DK-190 + 645264.498.60.370.34
2#61.749.30.801.4(Poor)(Poor)
3#050.1(Poor)53.316.10.30
4#Left354.11.50.011.67109.642.50.390.39
6#Arch22.474.33.323.189.028.7 (poor)
5#Right33.071.42.162.4527.710.30.370.24
7#Spandrel42.9117.32.73446.643.80.10
8#32.219.70.61587.254.90.09
9#Inverted20.58.50.410.49181.313.50.070.09
10#64.628.80.45189.719.20.10

refers to the pressure between the surrounding rock and initial support, unit ; refers to the pressure between the surrounding rock and initial support, unit ; refers to the load sharing ratio, unit: 0.01; refers to the average load sharing ratio, unit: 0.01.