Research Article

Study on Non-Darcian Flow in Interlayer Shear Weakness Zones in the Basalt by High-Pressure Packer Tests

Table 2

Non-Darcian flow parameters estimated from HPPT data in CZK51.

StateForchheimer’s lawIzbash’s law
a/s·cm-1b/s2·cm-2RMSE/mKc/cm·s-1nRMSE/m

Undamaged stage4.27 × 107-4.44 × 101018.211.05 × 10-70.273.58
Damaged stage1.56 × 107-4.48 × 10921.225.51 × 10-60.4112.91