Comparison of High and Low Temperature Properties of Dual Modified Asphalt Binders with Polyphosphoric Acid and Polymer Modified Bitumen using Rheological Tests

Year : 2025 | Volume : 13 | Issue : 02 | Page : 23 34
    By

    Govind Goud Kotha,

  • P. Sravana,

  1. PhD Scholar, Civil Engineering Department, JNTU Hyderabad, Telangana, India
  2. Professor, Civil Engineering Department, JNTU Hyderabad, Telangana, India

Abstract

The main objective of this study was to investigate the properties of asphalt binder mixtures at both high and low temperatures. To achieve this, two types of admixtures were selected and combined, resulting in a technology known as dual modified asphalt binders. Extreme temperatures during summer and winter can lead to significant issues such as cracking and rutting in asphalt binder pavement. In order to address these problems, a comprehensive investigation was conducted using PPA (Polyphosphoric Acid) and PMB40 (Polymer Modified Bitumen 40) To analyze the impact of these admixtures, asphalt concrete mixtures were prepared with varying dosages. For PPA, dosages of 0.5%, 1.0%, 1.5%, and 2% by weight of binder were used, while for Polymer Modified Bitumen40, dosages of 10%, 20%, 30%, 40%, and 50% by weight of binder were employed to reach the optimum content of VG 30 + PPA. The study also involved conducting rheological tests on the asphalt concrete mixtures, including the optimum contents of VG30, PPA mix, and the dual mix asphalt. These tests helped to demonstrate the superior performance of the dual modified asphalt binders in both high and low temperature conditions, effectively addressing the issues of cracking and rutting in asphalt pavement.

Keywords: Polymer Modified Bitumen, PPA, Dual modified, DSR, BBR.

[This article belongs to Journal of Polymer and Composites ]

How to cite this article:
Govind Goud Kotha, P. Sravana. Comparison of High and Low Temperature Properties of Dual Modified Asphalt Binders with Polyphosphoric Acid and Polymer Modified Bitumen using Rheological Tests. Journal of Polymer and Composites. 2025; 13(02):23-34.
How to cite this URL:
Govind Goud Kotha, P. Sravana. Comparison of High and Low Temperature Properties of Dual Modified Asphalt Binders with Polyphosphoric Acid and Polymer Modified Bitumen using Rheological Tests. Journal of Polymer and Composites. 2025; 13(02):23-34. Available from: https://journals.stmjournals.com/jopc/article=2025/view=195447


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Regular Issue Subscription Original Research
Volume 13
Issue 02
Received 15/07/2024
Accepted 01/10/2024
Published 17/01/2025
Publication Time 186 Days
Total Visits: 212


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