Solutions Manual to Accompany PRINCIPLES OF GEOTECHNICAL ENGINEERING, 10th EDITION Author:BRAJA M. DAS & KHALED SOBHAN From Chapter 2 Covered Latest Version 2026

An Instructor’s Solutions Manual to Accompany

PRINCIPLES OF GEOTECHNICAL
ENGINEERING, 10th EDITION
BRAJA M. DAS & KHALED SOBHAN




1|Page

, INSTRUCTOR’S SOLUTIONS MANUAL
TO ACCOMPANY



PRINCIPLES OF
GEOTECHNICAL
ENGINEERING
Eighth Edition, SI

BRAJA M. DAS
KHALED SOBHAN


2|Page

,Table Of 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




3|Page

, Chapter 2

D60 0.42 D2 0.212
2.1 C   2.625  2.63 ; Cc  30  0.656  0.66
u 0.16  (0.42)(0.16)
D10 (D60 )(D10 )


2
D60 0.81  3.0 ; C  D30 0.412
2.2 C  c  0.768  0.77
u 0.27  (0.81)(0.27)
D10 (D60 )(D10 )


2.3 a.
Sieve Mass of soil retained Percent Percent
no. on each sieve (g) retained finer
on each sieve
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




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