Dryer Drum Process

Duration: 20 min

Year Published: 1973

Creator: Publication & Visual Aids Branch (Hms-24)

Format: 16mm

Color: Color

Sound: sound

Description: Documents the FHWA evaluation studies of several hot mix plants utilizing the dryer drum method of producing. Describes plants in Iowa, Minnesota and North Dakota. Shows that stringent pollution requirements have led to the breakthrough in the production of bituminous mixtures using penetration grade asphalts.


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