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 point
Position
Mileage
Mileage
1#
Vault
DK-190 + 617
192.9
125.4
0.65
0.73
DK-190 + 645
264.4
98.6
0.37
0.34
2#
61.7
49.3
0.80
1.4
(Poor)
(Poor)
3#
0
50.1
(Poor)
53.3
16.1
0.30
4#
Left
354.1
1.5
0.01
1.67
109.6
42.5
0.39
0.39
6#
Arch
22.4
74.3
3.32
3.1
89.0
28.7 (poor)
5#
Right
33.0
71.4
2.16
2.45
27.7
10.3
0.37
0.24
7#
Spandrel
42.9
117.3
2.73
446.6
43.8
0.10
8#
32.2
19.7
0.61
587.2
54.9
0.09
9#
Inverted
20.5
8.5
0.41
0.49
181.3
13.5
0.07
0.09
10#
64.6
28.8
0.45
189.7
19.2
0.10
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.