Civil Engineering Reference
In-Depth Information
In Problems
13.21
to
13.23
, determine the same informa-
tion required for Problems 13.17 to 13.20 with same data,
but design heels instead of stems.
Problem
h
Surcharge
14
0
13.21
None
13.22
18
0
300 psf
20
0
300 psf starting 4
0
from inside face of wall
13.23
(
Answer to Problem 13.21:
6 ft 6 in. wide, O.T. safety
factor
2.24)
(
Answer to Problem 13.23:
10 ft 3 in. wide, O.T. safety
factor
2.16)
Problems with SI Units
In Problems
13.24
to
13.26
, use the Rankine equation to calculate the total horizontal force and the overturning mo-
ment for the wall shown. Assume sin
0.5 and the soil weighs 16 kN/m
3
.
Problem
A
B
C
D
E
h
13.24
2.400 m
600 mm
500 mm
1.300 m
450 mm
4 m
13.25
2.700 m
700 mm
500 mm
1.500 m
500 mm
6 m
13.26
3.150 m
800 mm
550 mm
1.800 m
500 mm
8 m
(
Answer to Problem 13.25:
95.904 kN, 191.908 kN-m)
