Asphalt Workers (Paving)

  • R. Riala
  • P. Heikkilä


Bitumen is a residue obtained from the vacuum distillation of petroleum crude oil. Bitumen varies from a highly viscous liquid to a brittle solid, and consists of hundreds of chemicals, such as asphaltenes (high-molecular-weight aromatic and heterocyclic hydrocarbons), resins (polymers formed from unsaturated hydrocarbons) and aromatic hydrocarbons containing benzene rings. Distilled bitumen is used for road paving, while the harder air-blown bitumen is used for roofing. About 90% of the bitumen is used for road paving, 10% for roofing and waterproofing.


Epoxy Hydrocarbon Rubber Gravel Naphtha 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • R. Riala
  • P. Heikkilä

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