Low emissions asphalt: experience to date

Several new technologies have been developed that reduce energy usage for asphalt manufacture with a consequent lowering of production and placement temperatures; these materials are called “warm asphalt mix”, or WAM. More recent advances have further reduced production temperatures, reducing fuel usage and “blue smoke” emissions from asphalts. As these products are produced at even lower temperatures than WAM, they are referred to as “half-warm asphalts”. Fulton Hogan, Christchurch City Council and Christchurch International Airport have been working together since 2007 to construct asphalt pavements using the most advanced half-warm asphalt mix technology. The organisations are working to explore new initiatives which result in road user safety improvements, community cost reductions, better asset performance from local resources, longer asset lives and wider sustainability and environmental improvements. In 2008 and 2009, Fulton Hogan has partnered with other local governments and clients in New Zealand and Australia, constructing asphalt pavements using the latest warm and half-warm mix technologies. This paper reports on the reasons for using warm and half-warm mixes, including operational and technical benefits, reduction in greenhouse gas emissions and improvements to worker safety. (a) For the covering record of the conference, please refer to ITRD no. E218387.

  • Corporate Authors:


    PO BOX 84
    HAMPTON,   Australia  3188
  • Authors:
    • DEBONO, J
  • Publication Date: 2009-10


  • English

Media Info

  • Pagination: 8P (DAY 1, SESSION 3)
  • Monograph Title: Australian Asphalt Paving Association thirteenth international flexible pavements conference, Sunday 11th - Wednesday 14th October, Surfers Paradise, Queensland, Australia

Subject/Index Terms

Filing Info

  • Accession Number: 01153047
  • Record Type: Publication
  • Source Agency: ARRB
  • Files: ITRD, ATRI
  • Created Date: Mar 23 2010 9:13AM