Table 1 Mean values of physical parameters of fractured rock samples.

From: Creep acoustic emission characteristics and failure precursor identification of double-fissured red sandstone under freeze–thaw action

Longitudinal

wave velocity

Dry density

Saturation density

Percentage of

saturated water

content

/%

Porosity

/%

/(km/s)

/(g cm− 3)

/(g cm− 3)

2.23

2.23

2.36

6

13.35

Back to article page