The Physical and Thermal Characteristics of Waste Latex Rubber Gloves-Modified Bitumen
Publication: International Conference on Road and Airfield Pavement Technology 2023
ABSTRACT
This study investigates the effects of waste latex rubber gloves (WLRG) on bitumen’s physical and thermal characteristics. The study modifies 60/70 penetration grade bitumen with varying percentages of 3%, 5%, 7%, and 9% of WLRG in high shear mixer at 150°C to determine the appropriate WLRG percentage for achieving the required specifications based on the penetration, softening point, and ductility tests. This study also performs thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) to analyse the thermal characteristics of WLRG particles in the modified bitumen. The TGA graph showed that the mass loss of 3, 5, 7, and 9% WLRG-modified bitumen occurred at 457.5, 464.3, 462.2, and 459.5°C. The DSC graph reveals the melting point for the binders modified with 3, 5, 7, and 9% WLRG are 133.6, 132.1, 103.5, and 133.2°C. The results show that the optimum WLRG-modified bitumen is 5 and 7% by weight of bitumen. Asphalt pavements modified with 5 and 7% WLRG showed maximum benefits and the ability to prevent road surface deformation, including when subjected to high traffic loads. In conclusion, WLRG is a suitable bitumen modifier because it enhances bitumen’s characteristics and performance.
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Published In
International Conference on Road and Airfield Pavement Technology 2023
Pages: 543 - 553
History
Published online: Feb 6, 2024
ASCE Technical Topics:
- Asphalt pavements
- Asphalts
- Ductility
- Engineering fundamentals
- Engineering materials (by type)
- Engineering mechanics
- Environmental engineering
- Geotechnical engineering
- Geotechnical investigation
- Infrastructure
- Laboratory tests
- Material mechanics
- Material properties
- Materials engineering
- Mechanical properties
- Pavements
- Penetration tests
- Shear tests
- Tests (by type)
- Thermal analysis
- Thermal properties
- Thermodynamics
- Transportation engineering
- Waste management
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