Research Article
Study on Dynamic Response Characteristics and Damage Mechanism of Tunnel Lining at Entrance of Shallow Bias Tunnel
Table 1
Investigation results of seismic damage for tunnels during Wenchuan earthquake.
| | Tunnel name | Length (m) | Distance to epicenter (km) | Fault amount | Destruction feature |
| | Longxi | 3691 | 0.5–2 | 1 | Rock falls; pavement uplift; lining crack; lining dislocation; cable trench; water leakage | | Taoguan | 625 | 15 | 0 | Portal failure; rock falls; headwall damage; lining crack | | Longdongzi | 1071 | 2 | 4 | Rock falls; pavement uplift; lining crack; lining dislocation; cable trench; water leakage | | Shaohuoping | 451 | 1 | 1 | Portal failure; rock falls; headwall damage; lining crack; lining dislocation; water leakage | | Zaojiaowan | 1926 | 5 | 0 | Portal failure; headwall damage; lining crack; lining dislocation; cable trench; water leakage | | Caopo | 759 | 20 | 0 | Portal failure; rock falls; lining crack; cable trench; water leakage | | Dankanliangzi | 1567 | 24 | 1 | portal failure; rock falls; headwall damage | | Zipingpu | 4090 | 5 | 10 | Rock falls; pavement uplift; lining crack; lining dislocation; cable trench |
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