Position referencing, measuring and paving method and apparatus

Details Position referencing, measuring and paving method and apparatus Position referencing, measuring and paving method and apparatus

1995-05-24

1996-08-27

Buiz, Michael Powell

Road structure, process, or apparatus

Apparatus

Automatic control

404 842, E01C 1922

Patent

active

055494129

ABSTRACT:
A profiler is used to collect data on a base surface. An asphalt paver is provided with a like profiler that measures smoothness of a fresh mat of asphalt laid by the paver. The profilers measure surface elevation as a function of forward travel position. The profiler and paver position are determined by a fixed referencing system, such as the Global Positioning System (GPS). Surface elevation is plotted against position of the profiler and used to control a screed levelling a mat of paving material. A subsequent plot shows smoothness of the mat.

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