For
the construction of roads asphalt is a major raw material. Asphalt is
obtained from the processing of petroleum and is black to brown cement
like materials. Asphalt contains bitumen as the predominant
constituents. When the road is constructed asphalt paver is used for
distributing, shaping and compacting the layer of asphalt. Normally the
asphalt paver are self propelled but sometimes it is towed by the dump
truck delivering the asphalt.
Screed and the tractors are the two major constituents of asphalt
pavers. Material is discharged from the lorry in a tipping action. The
width of the screed is adjustable. The important constituents of the
tractor are hopper, conveyor, distribution augur etc. Asphalt pavers are
of two types - asphalt crawler paver and wheeled paver. Crawler pavers
are track driven whereas wheeled pavers are mounted on wheels.
Applications
Asphalt pavers are utilized for the construction of big infrastructures
both big and small. Asphalt pavers are used for the compaction of :
- Roads
- Highways
- Runway for airports
- Parking lots
- Pavements etc.
Types of Asphalt Paver
