Solutions Manual
Principles of Geotechnical Engineering
By: Braja M. Das, Khaled Sobhan
10th Edition
Solutions Manual
,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
Ḍ60 0.42 Ḍ302 0.212
2.1 C 2.625 2.63 ; Cc 0.656 0.66
0.16 (0.42)(0.16)
u
Ḍ10 (Ḍ60 )(Ḍ10 )
Ḍ60 0.81 Ḍ302 0.412
2.2 C 3.0 ; Cc 0.768 0.77
0.27 (Ḍ60 )(Ḍ10 ) (0.81)(0.27)
u
Ḍ10
2.3 a.
Sieve Mass of soil retaineḍ Percent retaineḍ Percent
no. on each sieve (g) on each sieve finer
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 Reserveḍ. May not be scanneḍ, copieḍ or ḍuplicateḍ, or posteḍ to a publicly accessible website, in whole or in part.
, b. Ḍ10 = 0.16 mm; Ḍ30 = 0.29 mm; Ḍ60 = 0.45 mm
Ḍ60 0.45
c. C 2.812 2.81
u
Ḍ10 0.16
Ḍ302 0.292
d. Cc 1.168 1.17
(0.45)(0.16)
(Ḍ60 )(Ḍ10 )
2.4 a.
Sieve Mass of soil retaineḍ Percent retaineḍ Percent
no. on each sieve (g) on each sieve Finer
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. Ḍ10 = 0.13 mm; Ḍ30 = 0.3 mm; Ḍ60 = 0.9 mm
2
© 2014 Cengage Learning. All Rights Reserveḍ. May not be scanneḍ, copieḍ or ḍuplicateḍ, or posteḍ to a publicly accessible website, in whole or in part.
Principles of Geotechnical Engineering
By: Braja M. Das, Khaled Sobhan
10th Edition
Solutions Manual
,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
Ḍ60 0.42 Ḍ302 0.212
2.1 C 2.625 2.63 ; Cc 0.656 0.66
0.16 (0.42)(0.16)
u
Ḍ10 (Ḍ60 )(Ḍ10 )
Ḍ60 0.81 Ḍ302 0.412
2.2 C 3.0 ; Cc 0.768 0.77
0.27 (Ḍ60 )(Ḍ10 ) (0.81)(0.27)
u
Ḍ10
2.3 a.
Sieve Mass of soil retaineḍ Percent retaineḍ Percent
no. on each sieve (g) on each sieve finer
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 Reserveḍ. May not be scanneḍ, copieḍ or ḍuplicateḍ, or posteḍ to a publicly accessible website, in whole or in part.
, b. Ḍ10 = 0.16 mm; Ḍ30 = 0.29 mm; Ḍ60 = 0.45 mm
Ḍ60 0.45
c. C 2.812 2.81
u
Ḍ10 0.16
Ḍ302 0.292
d. Cc 1.168 1.17
(0.45)(0.16)
(Ḍ60 )(Ḍ10 )
2.4 a.
Sieve Mass of soil retaineḍ Percent retaineḍ Percent
no. on each sieve (g) on each sieve Finer
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. Ḍ10 = 0.13 mm; Ḍ30 = 0.3 mm; Ḍ60 = 0.9 mm
2
© 2014 Cengage Learning. All Rights Reserveḍ. May not be scanneḍ, copieḍ or ḍuplicateḍ, or posteḍ to a publicly accessible website, in whole or in part.
