Numerical Simulation of Soil Displacement and Settlement in Deep Foundation Pit Excavations Near Water

Table 1

Sequence of construction for the Yellow River Tunnel.

Construction procedure	Construction content	Job content
1	First-order precipitation	Water level dropped to 88.0 m
2	First-stage excavation	Earthwork was excavated to 89.5 m
3	First horizontal brace	Perform the first bar at 90.9 m
4	Second	Water level dropped to 83.0 m
5	Second	Earthwork was excavated to 84.6 m
6	Second horizontal brace	Make the first bar at 85.4
7	Third-order precipitation	Water level dropped to 77.2 m
8	Third-stage excavation	Earthwork was excavated to 78.7 m
9	Third horizontal brace	Make the first bar at 80.7 m
10	Fourth-stage precipitation	Water level dropped to 72.6 m
11	Fourth order	Earthwork was excavated to 73.4 m
12	Fourth horizontal brace	Make the first bar at 75.6 m
13	Fifth-level precipitation	Water level dropped to 70.0 m
14	Fifth-stage excavation	Earthwork was excavated to 71.0 m