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Advances in Civil Engineering
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2020
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Article
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Tab 7
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Research Article
Distribution Features of the Minimum Rock Cover Thickness of the Surrounding Rock Self-Stability of the Metro Tunnel in the Soil-Rock Dualistic Stratum
Table 7
Statistical table of the soft soil thickness along lines.
Soil thickness (m)
≤3 m
≤6 m
≤9 m
≤12 m
≤15 m
≤18 m
Percentage
15.6%
30.7%
45.6%
61.4%
77.5%
89.7%