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Abstract
Poroelastic Road Surfaces (PERS) are characterized by porous structure with at least 20% of air void content and stiffness almost 10 times lower than typical asphalt course. Such properties enable noise reduction up to 12 dB in comparison to SMA 11 mixture. However, the main disadvantage of previously used poroelastic mixtures, based on resin type binders, was their low durability, which resulted in raveling and delamination from the lower layer. This paper presents initial results obtained for new type of PERS mixture, based on highly modified bitumen as a binder instead of resin type binder. The direct shear test was applied to estimate resistance of the mixture to raveling as well as to evaluate interlayer bond quality. Observations of first short test sections with different compositions of new PERS mixtures yielded promising results.
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- Accepted or Published Version
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- Copyright (2021 Taylor & Francis Group, London)
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Details
- Category:
- Conference activity
- Type:
- publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
- Title of issue:
- Advances in Materials and Pavement Performance Prediction II
- Language:
- English
- Publication year:
- 2020
- Bibliographic description:
- Ryś D., Jaskuła P., Stienss M., Szydłowski C.: Design of poroelastic wearing course with the use of direct shear test// Advances in Materials and Pavement Performance Prediction II/ ed. Little D. : , 2020,
- DOI:
- Digital Object Identifier (open in new tab) 10.1201/9781003027362
- Verified by:
- Gdańsk University of Technology
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