Research Article

[Retracted] Application of Optical Fiber Sensing Technology in Permeability Test of Three-Dimensional Physical Model of Medium and Long-Distance Diversion Tunnel

Table 1

Statistics of tunnel safety monitoring section layout.

Monitoring section numberTunnel stake number locationTypical tunnel section characteristics

1Saturated loess soil tunnel body
2Saturated loess soil tunnel body
3Unconformity interface between Lishi loess and silty mudstone
4Shallow buried part of the valley with low rock strength of the tunnel
5Unconformity contact surface between glutenite and gneiss
6F2 fault of tunnel body
7Shallow burial at the tunnel outlet and changes in water flow conditions