Solution Manual For
Principles of Geotechnical Engineering
Author: Braja Das
10th Edition
, Contents
Chapter Page
2 1
3 11
4 19
5 25
6 31
7 41
8 51
9 57
10 69
11 83
12 99
13 109
14 121
15 127
16 141
17 153
, Chapter 2
2
D60 0.42 D30 0.212
2.1 Cu = = = 2.625 2.63 ; Cc = = = 0.656 0.66
D10 0.16 (D60 )(D10 ) (0.42)(0.16)
D60 0.81 D302 0.412
2.2 Cu = = = 3.0 ; Cc = = = 0.768 0.77
D10 0.27 (D60 )(D10 ) (0.81)(0.27)
2.3 A.
Sieve Mass Of Soil Percent Retained Percent
No. Retained On Each Sieve Finer
On Each Sieve (G)
4 28 4.54 95.46
10 42 6.81 88.65
20 48 7.78 80.88
40 128 20.75 60.13
60 221 35.82 24.31
100 86 13.94 10.37
200 40 6.48 3.89
Pan 24 3.89 0.00
617 G
1
© 2014 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
, b. D10 = 0.16 Mm; D30 = 0.29 Mm; D60 = 0.45 Mm
D60 0.45
c. C = = = 2.812 2.81
u
D10 0.16
2
D30 0.292
d. Cc = = = 1.168 1.17
(D60 )(D10 ) (0.45)(0.16)
2.4 A.
Sieve Mass Of Soil Percent Retained Percent
No. Retained On Each Sieve Finer
On Each Sieve (G)
4 0 0.0 100.00
6 30 6.0 94.0
10 48.7 9.74 84.26
20 127.3 25.46 58.80
40 96.8 19.36 39.44
60 76.6 15.32 24.12
100 55.2 11.04 13.08
200 43.4 8.68 4.40
Pan 22 4.40 0.00
500 G
b. D10 = 0.13 Mm; D30 = 0.3 Mm; D60 = 0.9 Mm
2
© 2014 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
Principles of Geotechnical Engineering
Author: Braja Das
10th Edition
, Contents
Chapter Page
2 1
3 11
4 19
5 25
6 31
7 41
8 51
9 57
10 69
11 83
12 99
13 109
14 121
15 127
16 141
17 153
, Chapter 2
2
D60 0.42 D30 0.212
2.1 Cu = = = 2.625 2.63 ; Cc = = = 0.656 0.66
D10 0.16 (D60 )(D10 ) (0.42)(0.16)
D60 0.81 D302 0.412
2.2 Cu = = = 3.0 ; Cc = = = 0.768 0.77
D10 0.27 (D60 )(D10 ) (0.81)(0.27)
2.3 A.
Sieve Mass Of Soil Percent Retained Percent
No. Retained On Each Sieve Finer
On Each Sieve (G)
4 28 4.54 95.46
10 42 6.81 88.65
20 48 7.78 80.88
40 128 20.75 60.13
60 221 35.82 24.31
100 86 13.94 10.37
200 40 6.48 3.89
Pan 24 3.89 0.00
617 G
1
© 2014 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
, b. D10 = 0.16 Mm; D30 = 0.29 Mm; D60 = 0.45 Mm
D60 0.45
c. C = = = 2.812 2.81
u
D10 0.16
2
D30 0.292
d. Cc = = = 1.168 1.17
(D60 )(D10 ) (0.45)(0.16)
2.4 A.
Sieve Mass Of Soil Percent Retained Percent
No. Retained On Each Sieve Finer
On Each Sieve (G)
4 0 0.0 100.00
6 30 6.0 94.0
10 48.7 9.74 84.26
20 127.3 25.46 58.80
40 96.8 19.36 39.44
60 76.6 15.32 24.12
100 55.2 11.04 13.08
200 43.4 8.68 4.40
Pan 22 4.40 0.00
500 G
b. D10 = 0.13 Mm; D30 = 0.3 Mm; D60 = 0.9 Mm
2
© 2014 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
