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