Table 1 Sandstone basic information (C-coarse sandstone; F-fine sandstone).

From: Underlying mechanism behind the dynamic mechanical behavior of sandstone with varying moisture content under medium speed impact

Number

Quality(g)

Density (g/cm3)

Wave velocity (km/s)

Relative water content (%)

C1

434.64

2.21

2.22

16.7

C2

436.87

2.23

2.25

33.3

C3

437.57

2.23

2.31

66.7

C4

436.92

2.23

2.30

100

C5

439.67

2.24

2.31

Natural sandstone

F1

458.74

2.34

2.63

16.7

F2

460.19

2.34

2.69

33.3

F3

461.62

2.35

2.70

66.7

F4

459.89

2.34

2.75

100

F5

456.67

2.33

2.68

Natural sandstone

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