Practice Exercise for Lesson 1
Use Figure 6, page 24, for Question 5.
5.
Determine the equivalent operations factor for a single axle load of 10,000 pounds.
a.
.07
b.
.10
c.
1.5
d.
2.0
What is the total minimum thickness of a 20 CBR subbase and an EODL of 7.3 x 106?
6.
a.
6 inches
b.
7 inches
c.
8 inches
d.
9 inches
What is the cover required over a CBR 15 subgrade with a EODL of 2.9 x 108?
7.
a.
12.5 inches
b.
15 inches
c.
15.5 inches
d.
17.5 inches
8.
Using the equivalent operation per day 3782 and a design life of 3 years, determine the design life
equivalent operation (EODL).
a.
2,563,574
b.
4,141,290
c.
4,730,524
d.
7,320,128
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