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

Figure 7

Horizontal displacement of each surveying line. (a) The horizontal displacement of surveying line 1. (b) The horizontal displacement of surveying line 2. (c) The horizontal displacement of surveying line 3. (d) The horizontal displacement of surveying line 4.

(a)

(b)

(c)

(d)