Solutions Manual for Principles of Geotechnical Engineering, 10th Edition by Braja Das, Newest Edition 2025

Solutions Manual
Principles Of Geotechnical Engineering,
By 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

D60 0.42 D30 2
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

, 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