The Effect of Intersection Angle on the Failure Mechanism of Utility Tunnel

Figure 8

Vertical displacement with different intersection angle. (a) The vertical displacement of surveying line 1. (b) The vertical displacement of surveying line 2. (c) The vertical displacement of surveying line 3. (d) The vertical displacement of surveying line 4.

(a)

(b)

(c)

(d)