Pass through sieve

Retain on Sieve

Original gradation %

Weight of fraction before test gm

Weight of fraction after test gm

Loss in weight

Loss %

Actual loss

a

b

c

d = b − c

E = d/b * 100

F = a * e/100

2 1/2"

2 1/2"

0

0

0

0

0

0

1 1/2"

3/4"

41

1500

1490

10

0.7

0.3

3/4"

3/8"

36

1000

965

35

3.5

1.3

3/8"

#4

23

300

275

25

8.3

1.9

Total

100

3.5

2 1/2"

2 1/2"

0

0

0

0

0

0

1 1/2"

3/4"

38

1500

1487

13

0.9

0.3

3/4"

3/8"

34

1000

962

38

3.8

1.3

3/8"

#4

28

300

270

30

10

2.8

Total

100

4.4