Table 2:
Grain size distribution requirements of graded sand (ASTM C778).
Sieve #
ASTM C778 graded sand requirements
(% Passing)*
Graded sand prepared in the laboratory
(% Passing)**
850 µm (No. 20)
100
100
600 µm (No. 30)
96 - 100
98
425 µm (No. 40)
65 - 75
70
300 µm (No. 50)
20 - 30
25
150 µm (No. 100)
0 - 4
2
* Source of sand “Ottawa, IL”.
** Source of local dune sand “Eastern province, Al-Ahsa, Saudi Arabia”