Table 3 Physical and mechanical properties of FS

From: Crystallization characteristic of sandstone under capillary salt weathering test using different salt property and temperature

Sample

Density (g/cm3)

Dry density (g/cm3)

Porosity (%)

Natural water content (wt.%)

Saturated water absorption (wt.%)

P-wave velocity (m/s)

Tensile strength (MPa)

NS

2.42

2.38

7.17

1.60

4.96

2062

2.20

GS*

 

2.35

7.62

 

4.52 (Unforced)

  
  1. The value of density, dry density, natural water content, saturated water absorption, or P-wave velocity was the average value of 18 specimens. The value of tensile strength was the average value of 4 specimens. GS* was a fresh sandstone sample in the Nankan Grotto44.
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