Table 6 Morphological parameters of particles of different types of sand samples.

From: Prediction of the rheological properties of mortar compounded with desert sand and Pisha sandstone ceramic sand based on density-form coupling

Morphological

Type

Particle size

Weighted value

2.5 ~ 5

1.25 ~ 2.5

0.63 ~ 1.25

0.315 ~ 0.63

0.16 ~ 0.315

0.075 ~ 0.16

Rc

SS

0.73

0.78

0.70

0.68

0.71

0.59

0.71

LS5

0.46

0.63

0.69

0.63

0.68

0.65

0.65

LS10

0.49

0.66

0.72

0.62

0.68

0.65

0.66

LS15

0.33

0.56

0.63

0.55

0.68

0.65

0.60

LS20

0.44

0.49

0.53

0.54

0.68

0.65

0.57

Ra

SS

1.12

1.08

1.13

1.14

1.18

1.16

1.13

LS5

1.46

1.22

1.16

1.18

1.16

1.19

1.16

LS10

1.37

1.18

1.12

1.17

1.16

1.19

1.17

LS15

1.59

1.28

1.17

1.24

1.16

1.19

1.22

LS20

1.42

1.35

1.25

1.25

1.16

1.19

1.25

L/D

SS

1.31

1.30

1.31

1.38

1.28

1.31

1.31

LS5

1.23

1.19

1.24

1.25

1.25

1.35

1.24

LS10

1.19

1.26

1.24

1.35

1.25

1.35

1.28

LS15

1.24

1.34

1.29

1.32

1.25

1.35

1.31

LS20

1.16

1.33

1.34

1.35

1.25

1.35

1.32

  1. Since desert sand is used in the 0.075 ~ 0.315 mm grain size interval in the LS5 ~ LS20 group. So the characteristic parameters of this grain size interval are the same for different types of aggregates.
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