CE 461 Questions with 100% Correct Answers
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Pavement design is a "bottom up" process designed to protect
the subgrade from damage caused by the applied traffic loads. -
ANSWER True
Conventional flexible pavements may contain which of the
following layers? - ANSWER Subbase, base, subgrade, asphalt
mixture
A flexible pavement that consists of only asphalt from the
subgrade to the surface is known as what? - ANSWER A full-
depth asphalt pavement
In a conventional rigid pavement, the difference between a
subbase course and a base course is: - ANSWER There is no
difference. The two terms are interchangeable.
In a conventional flexible pavement, the difference between the
base course and subbase course is what? - ANSWER The
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subbase tends to be lower quality aggregate than is used in the
base course.
An empirical pavement design is typically more expensive to
complete than a mechanistic-empirical pavement design. -
ANSWER False
Mechanistic-empirical pavement designs use mechanistic
models to analyze various pavement design possibilities. What
is the empirical part of mechanistic-empirical? - ANSWER
Empirical refers to the use of existing pavement data to
calibrate the models.
A rigid pavement that has 40 ft joint spacing, contains wire
mesh, and has transverse joints is which type of pavement? -
ANSWER Jointed reinforced concrete pavement.
Unbound granular materials and soils are sensitive to both
_________ _________ , and ___________ - ANSWER moisture
content, density