Page 268 - Engineering Rock Mass Classification_ Tunnelling, Foundations and Landslides
P. 268
FIGURE 17.14 Secondary toppling modes: (a) slide toe toppling, (b) slide head toppling, (c) slide base
toppling, (d) contrasting slide toe topples, (e) block torsion, and (f) sheet failure (use UDEC). (From
Goodman and Kieffer, 2000)
FIGURE 17.15 Additional modes involving rock fracturing: (a) rock bridge cracking in tension,
(b) rock bridge failure in compression, and (c) slide base rupture (use SASP). (From Goodman and
Kieffer, 2000)
