Electrically conductive pavement mixture

Details Electrically conductive pavement mixture Electrically conductive pavement mixture

2001-11-16

2011-12-27

Hartmann, Gary S (Department: 3671)

Road structure, process, or apparatus

Pavement

Including bed

C404S017000, C404S071000

Reissue Patent

active

RE043044

ABSTRACT:
An electrically conductive paving system that has enhanced conductivity of the conductive graphite/asphalt layer. This is achieved by incorporating into the paving mixture a blend of two naturally occurring crystalline flake graphites, one being coarse (generally larger than 40 mesh/425 microns) and the other being fine (generally smaller than 100-200 mesh/150-75 microns). The ratio of course flake graphite to fine flake graphite may be from 1.5:1 and 1:1.5, but is preferably approximately 1:1.

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