Method of compacting asphalt mix

Details Method of compacting asphalt mix Method of compacting asphalt mix

1997-06-19

1999-09-07

Graysay, Tamara

Road structure, process, or apparatus

Apparatus

Material distribution means

40413305, E01C 1938, E01C 1930

Patent

active

059476389

ABSTRACT:
A method of compacting asphalt material having a mix of coarse and fine grains includes providing a paver which has, as compaction assemblies, two strip-shaped tampers which are arranged one directly behind the other in the direction of travel, each tamper being provided with a metering slope and each tamper being provided with a tamping surface thereon, each tamper being vertically reciprocated between an upper and lower terminal position, so as to cause the front tamper lower position to correspond substantially to the rear tamper upper position, whereby coarser grains in the asphalt mix are embedded and undergo minimal longitudinal displacement, as the paver moves.

REFERENCES:
patent: 4502813 (1985-03-01), Hojberg
patent: 4507014 (1985-03-01), Heims et al.
patent: 4828428 (1989-05-01), Anderson
patent: 5165820 (1992-11-01), Bunk et al.
patent: 5516231 (1996-05-01), Heims et al.

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