A New Unified Solution for Circular Opening considering Different Strength Criteria and the Postpeak Elastic Strain Form

Figure 7

Comparison with the traditional solution. (a) Radial displacement (data: hard rock, β = 1.0). (b) Radial displacement (data: hard rock, β = 3.0). (c) Radial displacement (data: soft rock, β = 1.0). (d) Radial displacement (data: soft rock, β = 3.0).

(a)

(b)

(c)

(d)