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 4

Summary of the corresponding depth of the maximum horizontal displacement of the suspended foot connected wall.

Working procedure	Suspended foot diaphragm wall (west, the length is 45.82 m)		Suspended foot diaphragm wall (east, the length is 51.98 m)
	Maximum horizontal displacement (mm)	The depth of the diaphragm wall (m)	Maximum horizontal displacement (mm)	The depth of the diaphragm wall (m)
The first excavation (−2.000 m)	0.141	−11.46	−0.371	−13.00
The third excavation (−13.400 m)	2.146	−22.91	−5.170	−23.39
The fifth excavation (−24.550 m)	6.613	−32.07	−16.490	−33.79
The seventh excavation (−34.145 m)	8.418	−34.37	−22.006	−36.39
The tenth excavation (−51.630 m)	7.738	−36.66	−23.497	−38.99