Marshall Properties of Cold Mix Asphalt Concrete Modified With Waste Plastics PolyethyleneTerephthalateType

Authors

  • Thantap Thienthong Highway Research and Development Office, Department of Highways, Bangkok, Thailand
  • Prof.Suksun Horpibulsuk Program in Civil Engineering and Construction Management, School of Engineering, Suranaree University of Technology, Nakhon Ratchasima, Thailand
  • Apichat Suddeepong Institute of Research and Development, Suranaree University of Technology, Nakhon Ratchasima, Thailand
  • Kongsak Akarawongwattana Program in Civil Engineering and Infrastructure, School of Engineering, Suranaree University of Technology, Nakhon Ratchasima, Thailand

Keywords:

plastic, polyethylene terephthalate, cold mix asphalt concrete, cold mix asphalt concrete modified by waste plastics polyethylene terephthalate type

Abstract

This research focused on evaluating the Marshall properties of cold-mix asphalt concrete (CMA) modified with polyethylene terephthalate (PET) plastic waste as an additive, referred to as CMA-PET. PET contents of 0, 0.2, 0.4, 0.6, 0.8, and 1.0% by aggregate weight were considered to determine the optimum PET ratio, as per Thailand’s Department of Highways standard (DOH, 1999). The test results indicated that CMA-PET mixtures containing 0%, 0.2%, 0.4%, 0.6%, and 0.8% PET complied with the DOH specifications. However, the CMA-PET modified with 1.0% PET failed to meet the runoff criteria. Additionally, the stability of CMA-PET increased with higher PET contents, reaching a maximum of 0.8% PET content by weight of aggregate. CMA-PET with 0.8% PET content exhibited higher stability than the unmodified CMA mixture (0% PET content) at 31.63%.

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Published

2025-06-25

How to Cite

[1]
T. Thienthong, S. Horpibulsuk, A. Suddeepong, and K. Akarawongwattana, “Marshall Properties of Cold Mix Asphalt Concrete Modified With Waste Plastics PolyethyleneTerephthalateType”, Thai NCCE Conf 30, vol. 30, p. TRL-02, Jun. 2025.

Issue

Vol. 30 (2025): Proceeding of The 30th National Convention on Civil Engineering

Section

Transport and Logistics Engineering

License

Copyright (c) 2025 วิศวกรรมสถานแห่งประเทศไทย

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The selected article presented at the NCCE conference is the copyright of the Engineering Institute of Thailand under the Royal Patronage (EIT).

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