Research on Tunnel Surrounding Rock Failure and Energy Dissipation Based on Cyclic Impact and Shear Loading

<div>Schematic diagram of the oscilloscope interface under different working conditions. (a) Impact speed 7.2 m/s; rotation speed 225 rpm. (b) Impact speed 11.2 m/s; rotation speed 66 rpm.</div>

Advances in Civil Engineering

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Figure 8

Figure 8: Research on Tunnel Surrounding Rock Failure and Energy Dissipation Based on Cyclic Impact and Shear Loading 