Evaluation of Rock Mechanical Parameters - Rock Mechanics Based on an Anisotropic Jointed Rock Model - page 606

Table 18.25 Rock salt, salt mine Bartensleben near Morsleben (Germany)
Rock mass

Elastic constants Strength of intact rock Strength of discontinuities Permeability References

k < 10 -13 m/s E = 30,000 MPa

ν

— — • Kiehl et al. (1998)

= 0.25 • Kiehl & Reim (1999)

• Wittke (2000)

Primary (transient) creep:
E p = 180 MPa
η p = 900 MPa · d
m = 2
Secondary (steady state)
creep:
η S = 2.9 · 10 9 MPa · d
n = 5

• Kiehl & Erichsen (2002)

• Erichsen (2006)