Optimal Analysis of Tunnel Construction Methods through Cross Passage from Subway Shaft

Table 4

Maximum deformation of shaft (unit: mm).

Method	Directions	Absolute value	Position
Method 1	X	17.48	The shaft wall near the invert of the horsehead
	Y	25.46	The shaft wall near the two haunches of the horsehead
	Z	38.15	The bottom of the shaft
Method 2	X	13.65	The shaft wall near the invert of the horsehead
	Y	23.10	The shaft wall near the two haunches of the horsehead
	Z	38.35	The bottom of the shaft