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Application of nano silica particles to improve high-temperature rheological performance of tyre pyrolysis oil-modified bitumen

Al-Sabaeei, A. and Napiah, M. and Sutanto, M. and Habib, N.Z. and Bala, N. and Kumalasari, I. and Ghaleb, A. (2021) Application of nano silica particles to improve high-temperature rheological performance of tyre pyrolysis oil-modified bitumen. Road Materials and Pavement Design .

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Official URL: https://www.scopus.com/inward/record.uri?eid=2-s2....

Abstract

This study aimed to evaluate the effects of nano silica (NS) particles on the high-temperature rheological properties of tyre pyrolysis oil (TPO)-modified bitumen. Physical tests, short-term aging, temperature sweep test and multiple stress creep recovery (MSCR) test were conducted to evaluate the effects of NS on the high-temperature rheological performance. Results indicate that the inclusion of NS to TPO-modified bitumen displayed significant improvement in rutting resistance before and after aging. Meanwhile, MSCR results showed that the high-temperature performance grade of bitumen was upgraded from PG 64S in the case of base and TPO-modified bitumen to PG 64 V at 10 TPO and 4 NS. Statistical analysis also showed that the effects of NS particles on the rutting performance of TPO-modified bitumen are statistically significant within the confidence interval of 95. These findings present a remarkable enhancement in the high-temperature performance of TPO-modified bitumen. © 2021 Informa UK Limited, trading as Taylor & Francis Group.

Item Type:Article
Impact Factor:cited By 0
Uncontrolled Keywords:Pyrolysis; Silica, Confidence interval; High temperature performance; Multiple stress creep recoveries; Nanosilica particles; Rheological property; Rutting performance; Rutting resistance; Temperature sweeps, Bituminous materials
ID Code:23801
Deposited By: Ms Sharifah Fahimah Saiyed Yeop
Deposited On:19 Aug 2021 13:09
Last Modified:19 Aug 2021 13:09

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