Analysis of Influence of Ultra-High Pressure Water Jet Cutting Pressure Sequence on Pressure Relief and Reflection Improvement of Coal Seam

<div>Schematic diagram of high efficiency anti-spike mode of pressing before cutting. (a) Schematic diagram of fracture propagation profile after compression. (b) Schematic diagram of the distribution plane of the crack before pressing and cutting.</div>

Advances in Civil Engineering

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Figure 2: Analysis of Influence of Ultra-High Pressure Water Jet Cutting Pressure Sequence on Pressure Relief and Reflection Improvement of Coal Seam 

Figure 2 | Analysis of Influence of Ultra-High Pressure Water Jet Cutting Pressure Sequence on Pressure Relief and Reflection Improvement of Coal Seam 