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Comprehensive temperature performance evaluation of asphalt mastics containing hydrated lime filler based on dynamic shear rheometer testing
Abstract
The paper focuses on exploring the potential for effective testing of asphalt mastics in the full range of temper-atures using the Dynamic Shear Rheometer (DSR) apparatus. Six various types of asphalt mastics were selected to enable the evaluation of the effects of hydrated lime and bitumen modifica-tion, both before and after aging. Different DSR tests covered the whole range of service temperatures from –20°C to 64°C.Multiple Stress Creep Recovery test indicated that in the case of mastics with mixed filler (containing hydrated lime) the non-re-coverable compliance at the stress level of 3.2 kPa was lower by half indicating much higher resistance to permanent deforma-tions. Linear Amplitude Sweep Test showed that fatigue life cal-culated at 2.5% strain is almost 3 times greater when adhesive agent or hydrated lime is applied. Low-temperature rheological properties of mastics were investigated based on relaxation tests and it was concluded that mastics with hydrated lime have slightly lower stress relaxation capacity than the remaining mas-tics with lime filler.
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
Roads and Bridges - Drogi i Mosty
no. 23,
pages 355 - 373,
ISSN: 1643-1618 - Language:
- English
- Publication year:
- 2024
- Bibliographic description:
- Ryś D., Jaskuła P., Szydłowski C.: Comprehensive temperature performance evaluation of asphalt mastics containing hydrated lime filler based on dynamic shear rheometer testing// Roads and Bridges - Drogi i Mosty -,iss. 4 (2024), s.355-373
- DOI:
- Digital Object Identifier (open in new tab) 10.7409/rabdim.024.017
- Verified by:
- Gdańsk University of Technology
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