Table 1 Basic physical and mechanical parameters of specimens.

From: Experimental study on effective stress coefficient of sandstone based on Mohr–Coulomb criterion under hydraulic-mechanical coupling

Lithology

Height

/mm

Diameter

/mm

Dry quality

/g

Saturated water quality

/g

Coefficient of water saturation/%

Dry density

/g·cm−3

Porosity/%

Sandstone

100

50

447.92

468.52

5.60

2.20

9.17

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