Research Article

Mechanism of Fracturing in Shaft Lining Caused by High-Pressure Pore Water in Stable Rock Strata

Table 2

Fitting coefficient values.

Curve Num.n0η1η2R2Adj. R2

10.020.65110.9200.98370.9796
20.060.6698.8770.98310.9789
30.100.7198.3040.99100.9887
40.201.0317.0030.98180.9772
50.301.4327.8960.98470.9808
60.401.8787.1240.98560.9809

Note: Adj. R2 is the goodness of fit after correction.