Influence of Foundation Pit Excavation on Tunnels at Different Locations

<div>(a) Δ<i>τ</i><sub>xy</sub>, (b) Δ<i>τ</i><sub>xz</sub>, and (c) Δ<i>τ</i><sub>yz</sub> for various soil elements along tunnel axis after excavation for case C. Monitored elements: C, crown; SP, left spring line or right spring line; and I, invert.</div>

Shock and Vibration

fig8

Figure 8

Figure 8: Influence of Foundation Pit Excavation on Tunnels at Different Locations 