The Effects of Isolation Pile on the Ground Deformation due to a Deep Pit Excavation

Table 1

The arrangement of physical model tests.

ID	L (cm)	D’ (cm)	Extending beyond the slip surface?
M0	—	—	—
M1	40	18	No
M2	73	18	Yes
M3	87	18	Yes
M4	99	28	Yes
M5	73	33	Yes
M6	99	33	Yes

Note. The location is relative to the retaining wall.