Table 3 Physical and mechanical parameters of sandy mudstone and sandy mudstone-like materials.

From: Rotary cutting test on rock-breaking mechanism and efficiency of milled-tooth rolling cutters for shaft sinking by drilling methods

Material type

\(\sigma_{c}\)/MPa

\(\sigma_{t}\)/MPa

\(\rho\)/(g/cm3)

\(\mu\)

E/GPa

\(\varphi\)/(°)

c/MPa

Rock

31.59

1.79

2.21

0.22

8.13

32.05

8.03

Sandy mudstone-like materials

32.29

1.53

2.12

0.22

8.05

33.08

8.16

  1. \(\sigma_{c}\): compressive strength; \(\sigma_{t}\): tensile strength; \(\rho\): density; \(\mu\): poisson ratio; E: elastic modulus; \(\varphi\): internal friction angle; c: cohesion.
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