Work

Laboratory evaluation of micro and nano eggshell powder on physical and rheological properties of bitumen

Year: 2025

Type: article

Abstract: Bitumen is a non-renewable resource, and the rising global demand for it has resulted in higher costs for it. Consequently, researchers have conducted numerous studies exploring sustainable and cost-effective alternatives. One potential solution involves using waste materials as replacements or additives, which offers a promising approach to addressing these challenges. Therefore, this study focused on using eggshell powder in micro-sized (ESP) and nano-sized (NESP) as a modifier for bitumen, aiming to identify the most effective option. The characteristics of bitumen containing ESP and NESP at concentrations of 0 %, 5 %, 7 %, and 9 % by weight of bitumen have been investigated in terms of physical and rheological properties, including penetration, softening point, ductility, viscosity, storage stability, mass loss, and dynamic shear rheometer (DSR) test. In general, the results showed that adding ESP and NESP reduces penetration, increases softening point and viscosity values, and decreases ductility. NESP demonstrated better performance in terms of storage stability and mass loss at high temperatures. The DSR test revealed that the rutting parameter increased as ESP and NESP concentration increased, respectively. Additionally, NESP showed better enhancement in physical and rheological properties than ESP. Notably, 9% NESP represented the best concentration for improving bitumen properties. The study demonstrated that using eggshell waste for bitumen modification is a viable option with significant long-term benefits for both resources and the environment. • ESP and NSEP improved the thermal properties of bitumen. • ESP and NSEP increases the resistance of bitumen to ageing. • Bitumen modified with ESP and NESP exhibits higher resistance to rutting. • NESP showed compatibility with bitumen, while ESP was incompatible with bitumen.

Source: Green Technologies and Sustainability

DOI: 10.1016/j.grets.2025.100212

Authors: Alattafi Hadi Zghair Chfat, Haryati Yaacob, Nurul Hidayah Mohd Kamaruddin, Zaid Hazim Al-Saffar, Ramadhansyah Putra Jaya

Institutions: University of Technology Malaysia, Tun Hussein Onn University of Malaysia, Northern Technical University, Universiti Malaysia Pahang Al-Sultan Abdullah

Language: English

Topic: Asphalt Pavement Performance Evaluation

Subfield: Civil and Structural Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Responsible consumption and production

Open Access status: gold

Estimated APC paid: $400