Safety Distance of Shotcrete Subjected to Blasting Vibration in Large-Span High-Speed Railway Tunnels

<div>Fitting curves between PPV and <i>R</i> with <i>Q</i> = 120 kg.</div>

Shock and Vibration

Figure 9: Safety Distance of Shotcrete Subjected to Blasting Vibration in Large-Span High-Speed Railway Tunnels 