Research Article
Transient Pulse Test for Non-Darcy Flow Behaviors and Hydromechanical Coupling Effect of Fractured Limestone
Table 3
The quartic polynomial fitting equations of hydraulic pressure difference varying with time of M07 under different confining pressures.
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 |  | Axial pressure  /MPa | Confining pressure /MPa | Volume pressure /MPa | Quartic polynomial fitting curve of hydraulic pressure difference varying with time | Correlation coefficient R2 |  | 
 |  | 6 | 4 | 14 |  | 0.998 |  | 6 | 18 |  | 0.997 |  | 8 | 22 |  | 0.996 |  | 10 | 26 |  | 0.995 |  | 12 | 30 |  | 0.998 |  | 14 | 34 |  | 0.997 |  | 
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