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Effect of bitumen characteristics obtained according to EN and Superpave specifications on asphalt mixture performance in low-temperature laboratory tests

Abstract

The paper aims to identify those characteristics of bitumen which have the greatest impact on asphalt mixture low-temperature performance. It was observed that stiffness and m-value of bitumen from BBR test were moderately related to stiffness and m-value of asphalt mixture obtained from 3 PB test. Simultaneously those rheological properties significantly impact on cryogenic stresses induced during TSRST test. The multiple regression model was developed and it implied that mixture failure temperature depends both on rheological properties, brittle fracture and content of bitumen, what means that only comprehensive assessment of bitumen properties enables reasonable assessment of its low-temperature performance.

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Details

Category:
Magazine publication
Type:
artykuły w czasopismach
Published in:
CONSTRUCTION AND BUILDING MATERIALS no. 231,
ISSN: 0950-0618
Language:
English
Publication year:
2020
Bibliographic description:
Ryś D., Jaczewski M., Pszczoła M., Jaskuła P., Bańkowski W.: Effect of bitumen characteristics obtained according to EN and Superpave specifications on asphalt mixture performance in low-temperature laboratory tests// CONSTRUCTION AND BUILDING MATERIALS -Vol. 231, (2020), s.117156-
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.conbuildmat.2019.117156
Verification:
Gdańsk University of Technology

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