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All Journal Disaster in Civil Engineering and Architecture
Hashim, Mohd Hazree
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Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Materials Science & Nanotechnology

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Assessing the Viability of Wood Ash as a Filler in Asphalt Mixtures Mior Sani, Wan Noor Hin; Shahrom, Nur Shahirah Shahrom; Ab Rashid, Rozalina; Abdul Hassan, Norhidayah; Al-Saffar, Zaid Hazim; Hashim, Mohd Hazree
Disaster in Civil Engineering and Architecture Vol. 1 No. 1: October 2024
Publisher : Popular Scientist

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70028/dcea.v1i1.9

Abstract

Waste management is increasingly crucial worldwide, and integrating agro-waste into pavement construction offers a promising approach for sustainability and enhanced material properties. This research investigates the use of wood ash as a filler in asphalt mixtures, using varying proportions of 0%, 2%, 4%, and 6% replacement by weight of asphalt. Experimental tests, including softening point, penetration, Marshall stability and flow, indirect tensile strength, and abrasion loss, were conducted to assess the influence of wood ash on asphalt mixture properties. The findings reveal that wood ash can improve certain performance aspects such as stiffness and density at an optimal content of 4%, balancing tensile strength and flow properties. However, higher wood ash percentages negatively affected the mixture's overall durability and stability. These results underscore the importance of optimizing wood ash content to enhance asphalt performance. This study demonstrates that wood ash is a sustainable alternative to conventional fillers in asphalt production, contributing to environmental conservation and waste management. Further research is recommended to explore various aggregate gradations, binder types, and the potential of wood ash as an asphalt modifier for quality improvement. Such studies are vital for advancing pavement technology, improving infrastructure quality, and addressing environmental challenges.
Performance Evaluation of Grated Coconut Waste as a Bitumen Modifier Mior Sani, Wan Noor Hin; Wan Ahmad Sofian, Wan Mohamad Faizrul Hakimi; Mohd Amin, Syarini; Mahmud, Mohd Zul hanif; Rogo, Kabiru Usman; Hashim, Mohd Hazree
Disaster in Civil Engineering and Architecture Vol. 1 No. 1: October 2024
Publisher : Popular Scientist

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70028/dcea.v1i1.10

Abstract

Coconut is extensively utilized in everyday existence, with around 3.18 million tonnes of waste, including grated coconut, being generated. Utilizing grated coconut waste as an ingredient in bitumen could alleviate the challenges encountered by environmental authorities. This study aimed to examine the impact of grated coconut waste on the characteristics of bitumen and evaluate its performance in the bitumen mixture. A mixture of bitumen 60/70 penetration grade and grated coconut waste was created, with varying percentages of 0%, 1%, 2%, and 3%. The mechanical qualities of grated coconut waste as a bitumen modifier were assessed using several tests, including the indirect tensile strength test and the Marshall stability test. The physical and mechanical characteristics of grated coconut waste as a modifier for bitumen were assessed utilizing tests for softening point test and penetration test. Based on this study, the findings for physical properties of penetration and softening point test, the used up until 3% grated coconut waste can give effect to the bitumen stiffness. One of the more significant findings to emerge from this study is that higher stability and tensile strength of 1% grated coconut waste at 10420 N and 271 kPa, respectively. In conclusion, the used of 1% grated coconut waste as a bitumen modifier resulted the positive effect to the physical properties and mechanical properties of the bitumen mixture.
Exploring the Potential of Waste Cooking Oil in Enhancing Warm Mix Asphalt Performance Hamzah, Ahmad Mujahid; Mior Sani, Wan Noor Hin; Mawardi, Indra; Yacoob, Haryati; Rogo, Kabiru Usman; Hashim, Mohd Hazree
Disaster in Civil Engineering and Architecture Vol. 2 No. 1: April 2025
Publisher : Popular Scientist

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70028/dcea.v2i2.23

Abstract

The growing need for sustainable materials in road construction has led to the investigation of waste cooking oil (WCO) as a modifier for warm mix asphalt (WMA). This study evaluates the effects of chemically treated WCO on the mechanical properties of WMA, focusing on stability, resilient modulus, and dynamic creep performance. WCO was treated through transesterification and incorporated into 60/70 penetration grade asphalt at various dosages (0%, 3%, 4%, and 5% by weight of asphalt). The results showed that a 3% WCO-modified asphalt achieved the highest stability and acceptable resilient modulus, while maintaining satisfactory rutting resistance. Higher WCO content led to reduced stiffness and creep performance due to excessive softening. The study concludes that treated WCO can enhance WMA performance when used in optimal amounts, contributing to sustainable pavement practices.
Co-Authors Ab Rashid, Rozalina Abdul Hassan, Norhidayah Al-Saffar, Zaid Hazim Hamzah, Ahmad Mujahid Indra Mawardi Mahmud, Mohd Zul hanif Mior Sani, Wan Noor Hin Mohd Amin, Syarini Rogo, Kabiru Usman Shahrom, Nur Shahirah Shahrom Wan Ahmad Sofian, Wan Mohamad Faizrul Hakimi Yacoob, Haryati