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All Journal Journal of the Civil Engineering Forum Journal of Innovative and Creativity Jurnal Multidisiplin Indonesia
Rahman, Taqia
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Civil Engineering, Building, Construction & Architecture Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Veterinary Other

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Hydrated Lime–Based Coating for Cool Pavement Technologies: Evaluation of Durability and Thermal Performance Khuzamy, Muhammad; Rahman, Taqia; Ahmed, Imtiaz; Zaidi, Syed Bilal Ahmed
Journal of the Civil Engineering Forum Vol. 12 No. 1 (January 2026)
Publisher : Department of Civil and Environmental Engineering, Faculty of Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jcef.24124

Abstract

Heat-reflective pavement coatings are commonly employed for road cooling and to mitigate Urban Heat Island (UHI) effects by reflecting solar radiation and reducing surface temperatures. However, their cooling efficiency diminishes over time due to abrasion, soiling, UV exposure, and environmental aging, which degrade the reflective polymer layer. As a cost-effective alternative, hot-rolled hydrated lime (HL) applied to pavement surfaces has emerged, forming a light-coloured mineral layer that enhances reflectivity and potentially reduces pavement temperature. This study investigates hydrated lime (HL) as a mineral-based alternative, applied through hot-rolling to form a reflective surface layer that is compatible with conventional asphalt practices. Its performance was evaluated through laboratory thermal simulations (day–night cycling) and abrasion wear testing and compared with three commercial paint-based HRCs: epoxy resin–TiO₂ and acrylic emulsion–TiO₂. The results show that HL coatings achieved surface temperature reductions of up to 21.89 °C compared to uncoated asphalt, exceeding the best-performing paint-based sample (White-AE, 19.29 °C), suggesting that HL has strong potential as an effective reflective coating. This was achieved with a formulation of fine HL particles (No. 400 mesh) at a higher dosage (200 g/m²). In abrasion resistance tests, HL outperformed paint based HRCs, with lower mass losses (0.6–1.3 g vs. 0.8–1.5 g), which was attributed to stronger adhesion and particle embedment. In addition, post-abrasion tests revealed that HL samples retained better thermal stability, with smaller temperature increases (ΔT: 5.9–6.8 °C) than HRCs (ΔT: 6.3–7.2 °C). Based on these outcomes, HL applied at 200 g/m² using fine particles (No.400 mesh) is recommended as the optimal formulation for maximizing cooling performance and surface durability. Overall, these findings suggest that hot-rolled HL is a durable, low-cost, and effective alternative cooling strategy to popular HRCs for UHI mitigation.
Comparative Analysis Of Flexible Pavement Damage Models Between MDPJ 2024 And Asphalt Institute And AASHTO MEPDG Pasaribu, Kevin Briant; Rahman, Taqia; Suparma, Latif Budi
Jurnal Multidisiplin Indonesia Vol. 4 No. 7 (2025): Jurnal Multidisiplin Indonesia
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jmi.v4i7.2565

Abstract

Reliable road infrastructure is crucial for the economy. However, high traffic loads can accelerate damage to flexible pavements, primarily fatigue cracking and permanent deformation (rutting). This study evaluates the performance of pavement structures designed according to the Indonesian Pavement Design Manual (MDPJ) 2024 by comparing its damage predictions against international methods, namely the Asphalt Institute and AASHTO MEPDG, across various road classifications. Through mechanistic simulation using KENPAVE, the resulting strain values were used as input to predict the number of allowable load repetitions (ESAL) until failure occurs. The results show that all three methods consistently identify fatigue cracking as the critical damage type that occurs before rutting. However, there are significant differences in the magnitude of the predicted ESAL values. The Asphalt Institute method is the most conservative, producing the lowest fatigue cracking ESAL, while AASHTO MEPDG predictions are closer to, yet still lower than, the most optimistic predictions of MDPJ 2024. Therefore, this study concludes that further calibration of the MDPJ 2024 model with actual field data is essential to improve the accuracy of service life predictions for pavements in Indonesia.
ANALISIS PERBANDINGAN MODEL KERUSAKAN PERKERASAN LENTUR ANTARA MDPJ 2024 SERTA ASPHALT INSTITUTE DAN AASHTO MEPDG Pasaribu, Kevin Briant; Rahman, Taqia; Suparma, Latif Budi
Journal of Innovative and Creativity Vol. 6 No. 1 (2026)
Publisher : Fakultas Ilmu Pendidikan Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Flexible pavement plays a critical role in supporting economic growth and connectivity. However, overloading heavy vehicles accelerates structural damage such as fatigue cracking and rutting. This study aims to compare the damage prediction models of the 2024 Manual Desain Perkerasan Jalan (MDPJ), Asphalt Institute, and AASHTO MEPDG using KENPAVE simulation across four road classifications in Indonesia. A quantitative descriptive method was employed, analyzing design data from MDPJ 2024, with purposive sampling representing varied traffic loads. KENPAVE software provided horizontal and vertical strain outputs essential for damage calculations via transfer functions of the three models. Results indicated that MDPJ 2024 predicts higher Equivalent Single Axle Load (ESAL) values for fatigue cracking and rutting than international methods, showing optimistic durability estimations. However, differences in permanent deformation predictions, especially compared to AASHTO MEPDG, suggest the need for local calibration. The study concludes that while all models identify fatigue cracking as the dominant failure mode, calibration with field data is essential to validate predictions and optimize pavement design. Future research should focus on empirical validation and environmental factors to improve the national design standards. These findings support enhancing pavement life and cost-efficiency for Indonesia's infrastructure management.
Co-Authors Ahmed, Imtiaz Khuzamy, Muhammad Latif Budi Suparma Pasaribu, Kevin Briant Zaidi, Syed Bilal Ahmed