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Journal of Applied Sciences

Year: 2010 | Volume: 10 | Issue: 20 | Page No.: 2433-2439
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Authors

M.O. Hamzah

A. Jamshidi

Z. Shahadan

M.R. Mohd Hasan

A.S. Yahaya

Keywords

Research Article

Evaluation of Engineering Properties and Economic Advantages of WMA using Local Materials

M.O. Hamzah, A. Jamshidi, Z. Shahadan, M.R. Mohd Hasan and A.S. Yahaya
Warm Mix Asphalt (WMA) is a technology applied to reduce mixing and compaction temperatures thereby reduces energy consumption and greenhouse gas production in asphalt industries. In this study, the effects of different Sasobit® contents on WMA is investigated using local materials and asphalt mix specifications in Malaysia. The volumetric analysis and mix design results show that Sasobit® contents has no significant effects on the optimum binder content. Statistical analysis showed that the resilient modulus and indirect tensile strength are highly correlated between Sasobit® contents, aging states, test and mixing temperatures. The samples were mixed and compacted at 150 and 145°C incorporating 1.5 and 3% Sasobit® content, respectively, exhibit higher ITS and resilient modulus compared to control samples. In other words, these mixing and compacting temperatures can contribute to energy savings by as much as 8.2 and 12.0%, respectively.
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