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Asphalt Workers (Paving)

  • R. Riala
  • P. Heikkilä

Abstract

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.

Keywords

Vacuum Distillation Fatty Amine Nickel Sulphate Bitumen Emulsion Rubber Asphalt 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • R. Riala
  • P. Heikkilä

There are no affiliations available

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