The Influence of Confining Stresses on Rock Fragmentation, Thrust Force, and Penetration Energy in Sandstone Indentation Tests Using Disc Cutters

<div>Penetration energy varies with confining stresses under the CCS disc cutter. (a) Ultimate penetration = 6 mm; (b) ultimate penetration = 9 mm.</div>

Advances in Civil Engineering

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Figure 15

Figure 15: The Influence of Confining Stresses on Rock Fragmentation, Thrust Force, and Penetration Energy in Sandstone Indentation Tests Using Disc Cutters 

Figure 15 | The Influence of Confining Stresses on Rock Fragmentation, Thrust Force, and Penetration Energy in Sandstone Indentation Tests Using Disc Cutters 