Research Article

Research on Surface Subsidence of Long-Span Underground Tunnel

Table 7

Monitoring values of a measuring point in Junfeng Road Station during excavation.

Time (d)Cumulative value (mm)Time (d)Cumulative value (mm)Time (d)Cumulative value (mm)Time (d)Cumulative value (mm)Time (d)Cumulative value (mm)Time (d)Cumulative value (mm)

1−0.1341−1.5781−2.33121−7.49161−7.89201−11.10
50.1345−1.0085−2.43125−7.56165−8.72205−11.54
9−0.1049−1.5189−2.27129−7.60169−9.27209−12.44
13−0.2753−1.9793−2.63133−7.57173−10.21213−13.19
17−0.5057−1.9497−3.95137−7.41177−11.03
21−1.0761−1.95101−4.33141−7.55181−10.19
25−1.0765−2.04105−5.93145−7.53185−10.31
29−0.9369−1.74109−6.19149−7.55189−10.57
33−1.0073−2.12113−7.17153−7.42193−10.64
37−1.2777−2.25117−7.37157−7.77197−10.90