A SOLUTION AND ANSWER GUIDE TO ACCOMPANY
PRINCIPLES OF GEOTECHNICAL
ENGINEERING,
TENTH EDITION
BRAJA M. DAS
,SOLUTION AND ANSWER GUIDE
TO ACCOMPANY
Principles of
Geotechnical
Engineering
Tenth Edition
BRAJA M. DAS
California State University
, Contents
Chapter 2 .......................................................................................................................................... 1
Chapter 3 ........................................................................................................................................11
Chapter 4 ........................................................................................................................................19
Chapter 5 ........................................................................................................................................23
Chapter 6 ........................................................................................................................................29
Chapter 7 ........................................................................................................................................35
Chapter 8 ........................................................................................................................................45
Chapter 9 ........................................................................................................................................53
Chapter 10 ......................................................................................................................................63
Chapter 11 ......................................................................................................................................77
Chapter 12 ......................................................................................................................................81
Chapter 13 ......................................................................................................................................95
Chapter 14 ....................................................................................................................................105
Chapter 15 ....................................................................................................................................119
Chapter 16 ....................................................................................................................................125
Chapter 17 ....................................................................................................................................139
Chapter 18 ....................................................................................................................................149
, Chapter 2
D60 0.41
2.1 Cu
= = = 5.13
D10 0.08
( D30 ) 2 (0.22) 2
=Cc = = 1.48
( D10 )( D60 ) (0.08)(0.41)
D60 1.81
2.2 Cu
= = = 7.54
D10 0.24
( D30 ) 2 (0.82) 2
=Cc = = 1.55
( D10 )( D60 ) (0.24)(1.81)
2.3 a.
Mass of soil retained Percent retained
Sieve no. on each sieve (g) on each sieve Percent finer
4 0.0 0.0 100.0
10 18.5 4.4 95.6
20 53.2 12.6 83.0
40 90.5 21.5 61.5
60 81.8 19.4 42.1
100 92.2 21.9 20.2
200 58.5 13.9 6.3
Pan 26.5 6.3 0
Σ 421.2 g
The grain-size distribution is shown in the figure.
PRINCIPLES OF GEOTECHNICAL
ENGINEERING,
TENTH EDITION
BRAJA M. DAS
,SOLUTION AND ANSWER GUIDE
TO ACCOMPANY
Principles of
Geotechnical
Engineering
Tenth Edition
BRAJA M. DAS
California State University
, Contents
Chapter 2 .......................................................................................................................................... 1
Chapter 3 ........................................................................................................................................11
Chapter 4 ........................................................................................................................................19
Chapter 5 ........................................................................................................................................23
Chapter 6 ........................................................................................................................................29
Chapter 7 ........................................................................................................................................35
Chapter 8 ........................................................................................................................................45
Chapter 9 ........................................................................................................................................53
Chapter 10 ......................................................................................................................................63
Chapter 11 ......................................................................................................................................77
Chapter 12 ......................................................................................................................................81
Chapter 13 ......................................................................................................................................95
Chapter 14 ....................................................................................................................................105
Chapter 15 ....................................................................................................................................119
Chapter 16 ....................................................................................................................................125
Chapter 17 ....................................................................................................................................139
Chapter 18 ....................................................................................................................................149
, Chapter 2
D60 0.41
2.1 Cu
= = = 5.13
D10 0.08
( D30 ) 2 (0.22) 2
=Cc = = 1.48
( D10 )( D60 ) (0.08)(0.41)
D60 1.81
2.2 Cu
= = = 7.54
D10 0.24
( D30 ) 2 (0.82) 2
=Cc = = 1.55
( D10 )( D60 ) (0.24)(1.81)
2.3 a.
Mass of soil retained Percent retained
Sieve no. on each sieve (g) on each sieve Percent finer
4 0.0 0.0 100.0
10 18.5 4.4 95.6
20 53.2 12.6 83.0
40 90.5 21.5 61.5
60 81.8 19.4 42.1
100 92.2 21.9 20.2
200 58.5 13.9 6.3
Pan 26.5 6.3 0
Σ 421.2 g
The grain-size distribution is shown in the figure.
