Rapid Assessment and Classification for Seismic Damage of Mountain Tunnel Based on Concentric Circle Method

<div>Percentage distribution of different seismic damage types in the tunnel tube of two highways: (a) Du-Ying Highway; (b) Du-Ying section of National Highway No. 213.</div>

Shock and Vibration

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Figure 2

Figure 2: Rapid Assessment and Classification for Seismic Damage of Mountain Tunnel Based on Concentric Circle Method 