Page 10 - CSEB Report

Study on Compressed Stabilized Earth Blocks

Table 3: Grain size distribution of sample 2

(Since more than 50% of fine soil passes through 4.75mm sieve, further classification was
required)

Wt Retained % Wt Re- Cum.% Wt
S/No Sieve Size % Wt passing
(g) tained Retained
1 20mm 11.0 4.15 4.15 95.85
2 16mm 8.0 3.02 7.18 92.82
3 12.5mm 12.0 4.53 11.71 88.29
4 10mm 9.5 3.59 15.29 84.71
5 6.3mm 6.5 2.45 17.75 82.25
6 4.75mm 1.0 0.38 18.13 81.87
7 2mm 6.0 2.27 20.39 79.61
8 600µm 31.0 11.71 32.10 67.90
9 425µm 15.5 5.85 37.95 62.05
10 300µm 23.0 8.69 46.64 53.36
11 150µm 18.0 6.80 53.44 46.56
12 75µm 22.0 8.31 61.74 38.26
13 pan 101.3 38.26 100.00 0.00

Total 264.8 426.47

FM = 4.26

Table 3: Grain size distribution of sample 3

Wt Retained % Wt Re- Cum.% Wt % Wt pass-
S/No Sieve Size
(g) tained Retained ing
1 20mm 0 0.00 0.00 100.00
2 16mm 0 0.00 0.00 100.00
3 12.5mm 24 9.18 9.18 90.82
4 10mm 4 1.53 10.71 89.29
5 6.3mm 1.5 0.57 11.28 88.72
6 4.75mm 0.5 0.19 11.47 88.53
7 2mm 2.5 0.96 12.43 87.57
8 600µm 18.5 7.07 19.50 80.50
9 425µm 6.5 2.49 21.99 78.01
10 300µm 8.5 3.25 25.24 74.76
11 150µm 34.5 13.19 38.43 61.57
12 75µm 46.5 17.78 56.21 43.79
13 pan 114.5 43.79 100.00 0.00
Total 261.5 316.44
FM = 3.16
(Since more than 50% of fine soil passes through 4.75mm sieve, further classification was
required)

9 Engineering Adaptation and Risk Reduction Division (EARRD), DES, MOWHS