Research Article

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

Table 3

Non-Darcian flow parameters estimated from HPPT data in CZK88.

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

Undamaged stage7.27 × 109-1.75 × 101531.473.85 × 10-70.7431.43
Damaged stage1.56 × 108-8.48 × 1012112.595.36 × 10-230.1113.53