Vertical Load and Settlement at the Foot of Steel Rib with the Support of Feet-Lock Pipe in Soft Ground Tunnel

Table 5

Comparison of the predicted vertical loads.

Soil grade	Tunnel section	Back analysis (kN)	Support with the feet-lock pipe (kN)		Support without the feet-lock pipe (kN)
			Pasternak model	Winkler model
VI	XK89 + 588	45.98	48.16	48.94	232.96
	XK89 + 605
V	SK89 + 355.6	53.68	55.86	57.16	275.88
	SK89 + 397.6