Table 3 Specific gravity and water absorption of the sand according to ASTM-C-128-97.

1

Weight of oven dry specimen in air, in gm (A)

458

452

464

458

2

Weight of pycnometer filled with water, gm (B)

657

657

657

657

3

Weight of with specimen and water to the calibration mark, gm (C)

934

940

949

941

4

Weight of saturated surface dry specimen, gm (S)

500

500

500

500

5

Bulk specific gravity = A/(B + S − C)

2.05

2.083

2.23

2.12

6

Bulk specific gravity (SSD) = S/((B + S − C)

2.24

2.30

2.40

2.31

7

Apparent specific gravity = A/(B + A − C)

2.53

2.67

2.70

2.63

8

Absorption capacity = [(S − A)/A] * 100

9.1

10.62

7.76

9.1