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Keywords = batu pahat soft clay

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22 pages, 6514 KB  
Article
Performance Assessment of Asphalt Binder Modified with Batu Pahat Soft Clay as an Eco-Friendly Additive
by Shaban Ismael Albrka Ali, Allam Musbah Al Allam, Ahmed Suliman B. Ali, Dhawo Ibrahim Alhamali, Abdualmtalab Abdualaziz Ali, Ali Mohamed Emmaima and Amiruddin Ismail
Infrastructures 2025, 10(11), 302; https://doi.org/10.3390/infrastructures10110302 - 10 Nov 2025
Cited by 2 | Viewed by 1937
Abstract
This study aims to evaluate the impact of incorporating Batu Pahat Soft Clay (BPSC) into conventional asphalt binder at varying proportions: 2-, 4-, 6- and 8%-BPSC by weight of asphalt binder. A comprehensive laboratory investigation was carried out, including consistency test, Fourier Transform [...] Read more.
This study aims to evaluate the impact of incorporating Batu Pahat Soft Clay (BPSC) into conventional asphalt binder at varying proportions: 2-, 4-, 6- and 8%-BPSC by weight of asphalt binder. A comprehensive laboratory investigation was carried out, including consistency test, Fourier Transform Infrared Spectroscopy (FTIR), Dynamic Shear Rheometer (DSR), Scanning Electron Microscopy (SEM) tests. In terms of rutting, the parameter G*/sin δ increased significantly by nearly 839.25% at 45 °C and 196.67% at 75 °C for the 4%-BPSC binder compared to the base binder. The Multiple Stress Creep and Recovery (MSCR) test further confirmed the BPSC effectively reduce the residual strain by over 55%. FTIR analysis indicates a physical interaction between the BPSC and the binder, with no evidence of new chemical bond formation. Based on overall findings, the 4%-BPSC modification is identified as the optimal percentage for achieving balanced improvement in binder performance, contributing to more sustainable asphalt solutions. Full article
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