Research Article

Non-Darcy Flow Experiments of Water Seepage through Rough-Walled Rock Fractures

Table 2

Fitting results of hydraulic gradient and velocity Forchheimer of rough fracture under different width and JRC.

JRC = 0~2JRC = 4~6JRC = 8~10JRC = 12~14JRC = 16~18

 mm
(m/s)2.26252.338383.001584.594494.73464
(s2/m2)1.715691.954054.59395.486647.87306
0.999340.999070.999780.999790.99989
 mm
(m/s)0.898220.931251.008711.378391.4179
(s2/m2)0.546520.811581.803182.196592.81492
0.998870.999710.999910.999850.99977
 mm
(m/s)0.429990.444160.5050.657910.70822
(s2/m2)0.337120.534611.143071.503992.12647
0.999790.999910.998810.999940.99994
 mm
(m/s)0.18020.196350.208160.263250.2692
(s2/m2)0.202340.3450.581620.782861.05912
0.999960.999790.999830.999760.99993
 mm
(m/s)0.079160.082630.088730.110780.11173
(s2/m2)0.116930.192240.349230.433990.57152
0.999980.999730.999960.999920.99942