Surface Settlement Damage Model of Pile-Anchor Supporting Structure in Deep Excavation

Table 2

Division of monitoring stages.

Monitoring stage	Construction conditions	Monitoring date	Settlement curve
1	Excavating to −3 m, constructing anchor at −2 m	6.29–7.22	Figure 10(a)
2	Excavating to −5.5 m, constructing anchor at −4.5 m	7.23–8.15	Figure 10(b)
3	Excavating to −8.5 m, constructing anchor at −7.5 m	8.16–9.18	Figure 10(c)
4	Excavating to −11 m, followed by constructing foundation	9.19–11.10	Figure 10(d)
5	Constructing building floor	11.11–12.08	Figure 10(e)