Table 2 Demonstrate the mechanical parameters of the model material.

From: Design and performance evaluation of a novel cutter-ring material based on TBM rock-breaking mechanisms

Type

Density (kg/m3)

Elastic modulus (GPa)

Poisson’s ratio

Cohesion (MPa)

UCS (MPa)

UTS (MPa)

Sandstone

2580

12.83

0.17

8

65.73

3.44

Mudstone

2800

16.29

0.26

10

13.83

2.18

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