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Advances in Civil Engineering
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2023
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Article
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Tab 7
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Research Article
Study on the Division of the Affected Zone under Construction Unloading and Its Construction Sequence of the Multiline Parallel River-Crossing Pipe Jacking
Table 7
Surrounding stratum critical clear distance
D
min
.
Hs
(m)
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
(m)
2.0
1.01
1.68
2.37
3.28
4.02
5.10
6.00
7.28
5.0
2.86
3.51
4.02
5.13
5.95
7.08
8.37
9.66
8.0
ā
ā
6.00
7.25
8.23
9.21
10.83
12.12