with Verified Answers
A composite material that is prepared in a hot-mix plant and used for construction of
highway, parking lot, or airfield pavements capable of supporting high traffic load
volumes and axle loads. - ANSWERSasphalt cement
A rock crusher in which a steel center cone rotates eccentrically to crush the material
against the outside cylindrical steel wall. - ANSWERSgyratory crushers
It is a bituminous material that is produced by distillation of petroleum crude oil. -
ANSWERSasphalt cement
Metal plates of various shapes placed longitudinally inside the shell of a drum dryer or
mixture. As the material moves through the drum, the flight first lift the aggregate and
then tumble it through the hot gases. - ANSWERSFlights
The top surface layer of an asphalt pavement, usually less than 1 in. thick, to improve
skid resistance and smoothness. - ANSWERSfriction course
Two long arms extending forward from each side of the asphalt paver screed and
attached to tow points on the tractor. This mechanical connection enables the screed to
float on the asphalt mix during placement. - ANSWERSleveling arms
Joints for the purpose of regulating cracking from the unavoidable and unpredictable
contraction of concrete. - ANSWERScontraction joints
An asphalt paving mix produced in a plant where aggregates are heated and dried and
then combined with hot liquid asphalt cement and placed at high temperature. -
ANSWERShot-mix asphlat
lute - ANSWERSA type of rake used to smooth out minor surface irregularities in the hot
asphalt mix behind the paver. It has a straight-edge side and a toothed side.
binder - ANSWERSThe asphalt cement material in a paving mix used to bind the
aggregate particles together, to prevent the entrance of moisture, and to act as a
cushioning agent.
Stone matrix asphalt (SMA) - ANSWERSA rut-resistant mixture that relies on stone-on-
stone contact, coupled with fiber or polymer-modified asphalt cement, to provide high-
strength, load-carrying capability.