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Abstract for presentation (Poster or Podium) with a Paper in the Conference Proceedings

Highway Pavements

Investigation on effect of laboratory ageing of reclaimed asphalt binder modified with pyro-oil

Monday, June 17, 2024
10:15 AM - 11:30 AM ET
Room: Galleria

    Primary Author(s)

  • PRANOTI D. DARE

    Research scholar
    College of Engineering Pune
    AHMEDNAGAR, Maharashtra, India

    • Co-Author(s)

  • Namdeo A. Hedaoo, n/a

    Associate Professor
    College of Engineering Pune
    Pune, Maharashtra, India

    • Submitter(s)

  • PRANOTI D. DARE

    Research scholar
    College of Engineering Pune
    AHMEDNAGAR, Maharashtra, India

Abstract:

Sustainability is of critical consideration in road construction, maintenance and repairs. Reclaimed Asphalt binder has been proving to be a potential and sustainable solution towards road construction. During the construction and service life of a pavement, it undergoes aging phenomenon due to exposure to environmental and traffic conditions. Hence there are changes in its chemical as well as physical properties. Also, the use of plastic has been exponentially increasing leading to large amounts of plastic wastes being produced and issues associated with its disposal. Hence, in this study an effort has been made to incorporate pyro-oil extracted from plastic wastes in asphalt binders. Neat bitumen (VG30), and neat bitumen modified with 50% Reclaimed Asphalt binder and pyro-oil (1% and 2%) have been used in this study. Fourier Transform Infrared Spectroscopy (FTIR) has been used to characterise the changes in the chemical composition of binders after modification at unaged or fresh condition and after short term ageing. Two indices, sulfoxide and carbonyl indices have been studied and compared as they are responsible for the aging of bitumen.

Learning Objectives:

Attendees can expect to learn the following from this session:
  • Upon completion, participants will be able to understand the effect of aged binder on virgin binder.
  • Upon completion, participants will be able to define the effect of pyro-oil on binder prepared with VG30 and RA binder.
  • Upon completion, participants will be able to conduct FTIR and demonstrate the results of addition of RA binder and pyro-oil on virgin binder VG30.