Glossary
Topcon Paver System Five Operator’s Manual
G-4
Elevation
The vertical height or depth of the surface being laid. Elevation
is measured in centimeters, inches, or feet.
F
Feeders
The auger-conveyors on the right and left hand sides of a
paving machine.
G
Grade
The base surface (road bed) over which paving is being laid.
The elevation of a fresh mat in relation to the base.
The incline of a paving surface in the direction of travel,
expressed by stating the rise or fall as a percent age of
horizontal distance.
(i.e., 6% grade = 6' of elevation change in 100' of horizontal
longitudinal run).
Grade Control
A means of controlling the elevation of a mat as it is being laid.
Grade Sensor
An electric device which detects positive and negative changes
in elevation from a grade reference (i.e., surface string, floating
beam, mat reference, adjacent mat or curb surface).
H
Head of Material
The volume of paving material directly in front of and across
the entire length of the screed.
Hopper
The area at the front of the paving machine which receives the
paving material.
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