Study on the Division of the Affected Zone under Construction Unloading and Its Construction Sequence of the Multiline Parallel River-Crossing Pipe Jacking

Table 2

FOS calculation results.

= 2.0 m		= 5.0 m		= 82.0 m
Hs (m)	FOS	Hs (m)	FOS	Hs (m)	FOS
0.1	1.05	0.1	—	0.1	—
0.2	1.45	0.2	—	0.2	—
0.5	1.80	0.5	1.05	0.5	1.01
1.0	2.06	1.0	1.31	1.0	1.01
1.5	2.10	1.5	1.42	1.5	1.13
2.0	2.03	2.0	1.48	2.0	1.23
2.5	1.95	2.5	1.53	2.5	1.28
3.0	1.90	3.0	1.50	3.0	1.31
6.0	1.63	6.0	1.45	6.0	1.33
12.0	1.38	12.0	1.31	12.0	1.24
18.0	1.23	18.0	1.20	18.0	1.18
24.0	1.17	24.0	1.15	24.0	1.12
30.0	1.12	30.0	1.10	30.0	1.09
36.0	1.08	36.0	1.06	36.0	1.06
42.0	1.06	42.0	1.03	42.0	1.04