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

Table 4

Seepage flow of each tunnel under 15 m head pressure (m³/d).

Hole number	Excavation 60 cm	Excavation 120 cm	Excavation 182 cm
1	0.87	1.29	1.50
2	0.36	0.48	0.48
3	0.37	0.46	0.49
4	0.85	1.29	1.50
Exploratory cave	1.17	0.68	0.49