Paving method and apparatus with fresh mat profiler

Details Paving method and apparatus with fresh mat profiler Paving method and apparatus with fresh mat profiler

1993-02-16

1994-11-08

Britts, Ramon S.

Road structure, process, or apparatus

Apparatus

Automatic control

404101, E01C 2301

Patent

active

053621778

ABSTRACT:
An asphalt paver tows a device which measures smoothness of the fresh mat laid by the paver. The device measures the distance between the mat and a datum line as a function of paver position. Preferably, the rear reference beam of a dual reference beam paver is provided with a smoothness sensor. The rear beam is supported on two shoes riding on a fresh mat laid by the paver. A device to measure the distance from the beam to the mat such as a potentiometer is located near the center of the rear beam. The potentiometer has its shaft connected to a shoe by a lever so that vertical movement of the shoe rotates the shaft. Movement of the shoe is plotted against movement of the paver determined by a forward travel sensor. The plot shows smoothness of the mat.

REFERENCES:
patent: 3259034 (1966-07-01), Davin
patent: 3602113 (1971-08-01), Davin
patent: 3675545 (1972-07-01), Anderson et al.
patent: 3771892 (1973-11-01), Munyon et al.
patent: 3846035 (1974-11-01), Davin
patent: 5107598 (1992-04-01), Woznow et al.

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