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Published in:
2022 | OriginalPaper | Chapter
Determining Optimum Antistripping Additive Content in Asphalt Mixtures Using Boil Test
Authors : Shivpal Yadav, Abhilash Kusam, Zahra M. Tayebali, Akhtarhusein A. Tayebali
Published in: Proceedings of the Fifth International Conference of Transportation Research Group of India
Publisher: Springer Nature Singapore
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Abstract
One of the main reasons for moisture damage in asphalt mixtures is loss of adhesion between asphalt and aggregate or stripping. Most commonly used test method to evaluate stripping is the boil test (ASTM D3625) which is a visually subjective test method. However, color-measuring device can be used to quantify stripping in asphalt mixtures. The objective of this study is to use percentage stripping from boil test to determine the most efficient antistrip and its optimum content. In this study, percentage stripping in asphalt mixtures from the boil test was used to determine the amount of optimum antistrip required for the asphalt mixture to perform well against stripping. The percentage stripping determined for each asphalt mixtures was plotted against antistrip content, and optimum antistrip content was determined. The test results show that this method can help in selecting a more cost-effective and efficient antistrip additive for all asphalt mixtures.