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Bone Glue Modified Asphalt: A Step towards Energy Conservation and Environment Friendly Modified Asphalts
Hashim Raza Rizvi1, Mohammad Jamal Khattak1, August A Gallo1
1Department of Civil Engineering, University of Louisiana at Lafayette, USA.
International Scholarly Research Notices
|July 21, 2016
Summary
Bone glue, a novel asphalt modifier from animal waste, offers a cost-effective solution for improving hot mix asphalt (HMA) performance. This sustainable additive enhances HMA
Area of Science:
- Materials Science
- Civil Engineering
- Sustainable Materials
Background:
- Asphalt modification with synthetic polymers enhances hot mix asphalt (HMA) performance but is costly.
- Polymer modification improves binder rheology and aggregate adhesion, boosting HMA's fatigue life and resistance to rutting and thermal cracking.
- High costs limit polymer-modified HMA use in developing Southeast Asian countries.
Purpose of the Study:
- To investigate bone glue, a biomaterial from animal waste, as a cost-effective asphalt modifier.
- To evaluate the impact of bone glue on asphalt binder properties and HMA performance.
- To assess the feasibility of using bone glue in developing countries.
Main Methods:
- Bone glue was incorporated into asphalt binder.
- Asphalt binder viscosity, mixing, and compaction temperatures were analyzed.
- Complex shear modulus of modified asphalt binder was determined across various temperatures.
Main Results:
- Bone glue mixed easily with asphalt without significantly altering binder viscosity or HMA temperatures.
- Complex shear modulus of asphalt binder was improved by bone glue modification.
- Bone glue demonstrated potential as a viable asphalt modifier.
Conclusions:
- Bone glue is a promising, low-cost, and sustainable modifier for asphalt.
- It enhances asphalt binder properties without compromising processability.
- This biomaterial offers a viable alternative for improving HMA in developing regions.
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