Electrically conductive paving mixture and pavement system

Details Electrically conductive paving mixture and pavement system Electrically conductive paving mixture and pavement system

1995-09-26

1998-01-13

Donovan, Lincoln

Road structure, process, or apparatus

Pavement

Including bed

404 8405, E01C 300

Patent

active

057071713

ABSTRACT:
An electrically conductive paving mixture for use in a pavement system which prevents the accumulation of frozen precipitation on surfaces, for example, like that of an airport runway. The pavement system comprises a layer of electrically conductive paving mixture, a layer of insulative paving mixture, electrically resistive cables, an electrical power supply, sensors for measuring humidity and temperature, and a control and monitoring system. The electrically conductive paving mixture comprises a blend of naturally-occurring amorphous graphite and synthetic graphite/desulfurized petroleum coke. Preferably, the blend of naturally-occurring graphite to synthetic graphite/desulfurized produced coke is in the ratio of 2:1.

REFERENCES:
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patent: 3377462 (1968-04-01), Pferschy
patent: 3573427 (1971-04-01), Minsk
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L. David Minsk, U.S. Army Cold Regions Research and Engineering Laboratory Hanover, New Hampshire 03755 Electrically Conductive Asphalt for Control of Snow and Ice Accumulation, For presentation at the 47th Annual Meeting of the Highway Research Board, Session 35, Jan. 17, 1968, Washington, D.C. "NOT FOR PUBLICATION".

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