FIELD: road-building machines; placing asphalt on motor roads, air fields and other objects. SUBSTANCE: static-action pull roll sections are mounted on frame of asphalt spreader. Vibratory roll sections are mounted on articulated frame of working members. EFFECT: increased asphalt-concrete mixture compaction factor owing to use of mass of asphalt spreader in process of compacting of road-coating layers. 1 dwg
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Authors
Dates
2001-04-10—Published
1999-06-21—Filed