Prototype Experimental Investigation of the Failure Mechanism and Crack Propagation of Segment Lining for Staggered Jointed Assembly

Figure 12

Development of cracks in the surface of the arc in the intermediate ring. (a) Vertical load = 1901 kN, (b) vertical load = 2182 kN, (c) vertical load = 2533 kN, (d) vertical load = 2784 kN, (e) vertical load = 3035 kN, and (f) failure load = 3482 kN.

(a)

(b)

(c)

(d)

(e)

(f)