Table 1.

Laboratory and field test characterization of dolomitic limestone bedrock material (described on logs as medium strong to very strong)

ParameterRange of test resultsNumber of samples tested
Sample depth range (m BGL)3.66–17.26n.a.
Bulk density (Mg m−3)2.37–2.5820
Porosity (%)10–238
NMC (%)3–1020
UCS (MN m−3)13.1–48.36
Shear modulus, Gd (GN m−2)1.47–2.805
Stiffness modulus, Es (MN m−2)1911–36404

BGL, below ground level; NMC, natural moisture content; UCS, uniaxial compressive strength; n.a., not applicable.