PRINCIPLES OF FOUNDATION
ENGINEERING, TENTH EDITION
BRAJA M. DAS
Principles of
FOUNDATION NGINEERING
Principles of
FOUNDATION
ENGINEERING
Tenth Edition
Tenth
Edition
Braja M. Das
, INSTRUCTOR'S SOLUTIONS MANUAL
TO ACCOMPANY
Principles of Foundation
Engineering
Tenth Edition
BRAJA M. DAS
Dean Emeritus, California State University, Sacramento,
California, USA
, Contents
Chapter 2 ............................................................................................................................ 1
Chapter 3 .......................................................................................................................... 11
Chapter 4 .......................................................................................................................... 19
Chapter 5 .......................................................................................................................... 25
Chapter 6 .......................................................................................................................... 37
Chapter 7 .......................................................................................................................... 49
Chapter 8 .......................................................................................................................... 55
Chapter 9 .......................................................................................................................... 69
Chapter 10 ........................................................................................................................ 75
Chapter 11 ........................................................................................................................ 79
Chapter 12 ........................................................................................................................ 95
Chapter 13 ...................................................................................................................... 107
Chapter 14 ...................................................................................................................... 113
Chapter 15 ...................................................................................................................... 125
Chapter 16 ...................................................................................................................... 137
Chapter 17 ...................................................................................................................... 151
, Chapter 2
(87.5)(9.81)
2.1 d. 17.17 kN /m 3
(1000)(0.05)
17.17
c. 14.93 kN /m 3
1 w 1 0.15
Gs w
a. Eq. (2.12): d
1 e
(2.68)(9.81)
14.93 ; e = 0.76
1 e
e 0.76
b. Eq. (2.6): n 0.43
1 e 1 0.76
e. From Eq. (2.14):
Vw wGs (0.15)(2.68)
S 100 53%
Vv e 0.76
2.2 a. From Eqs. (2.11) and (2.12), it can be seen that
20.1
d 16.48 kN/m3
1 w 1 0.22
Gs w Gs (9.81)
b. d 16.48 kN/m3
1 e 1 e
Eq. (2.15): e wGs (0.22)(Gs ) . So
9.81Gs
16.48 ; Gs 2.67
1 0.22Gs
1
®
. .
.