Research on Rapid Evaluation of Rock Mass Quality Based on Ultrasonic Borehole Imaging Technology and Fractal Method

<div>–1354.5 m∼–1360.1 m depth range core and borehole imaging map.</div>

Advances in Materials Science and Engineering

Figure 3: Research on Rapid Evaluation of Rock Mass Quality Based on Ultrasonic Borehole Imaging Technology and Fractal Method 