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

Figure 10

Axial tension stress with different intersection angle. (a) The axial tension stress of surveying line 1. (b) The axial tension stress of surveying line 2. (c) The axial tension stress of surveying line 3. (d) The axial tension stress of surveying line 4.

(a)

(b)

(c)

(d)