Numerical Simulation Study on Construction Effect of Top-Down Construction Method of Suspended Diaphragm Wall for Deep and Large Foundation Pit in Complex Stratum
Table 3
Details of construction procedures.
Process number
Process node
1
The original stratum is established, and the initial stress is analyzed by applying boundary constraint and self-weight load
2
Activate diaphragm wall and clear displacement
3
The first excavation to −2.000 m, the first ring frame beam and roof was activated
4
The second excavation was to −7.700 m, and the second ring frame beam and the middle slab of the negative first floor were activated
5
After the third excavation to −13.400 m, the third ring frame beam and the middle slab of the second floor were activated
6
The fourth excavation to −19.750 m, the fourth ring frame beam and the negative third-floor slab were activated
7
The fifth excavation to −24.550 m, the fifth ring frame beam and the negative fourth-floor slab were activated
8
The sixth excavation was to −28.895 m, and the sixth ring frame beam and the middle slab of the fifth floor were activated
9
The seventh excavation was carried out to −34.145 m, and the seventh ring frame beam and the middle slab of the sixth floor were activated
10
The eighth excavation to −38.945 m, the eighth ring frame beam and the negative seventh-floor middle plate were activated
11
The ninth excavation was carried out to −43.575 m, and the ninth ring frame beam and the middle slab of the eighth floor were activated
12
The tenth excavation to −51.630 m, the floor was activated
