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

Construction and Building Materials(2020)

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摘要
•Low-temperature properties of 17 asphalt mixtures and 10 bitumens were tested.•Mixtures were tested in TSRST and 3 PB and bitumen were tested in BBR and Fraass.•Multiple regression between bitumen and mixture properties were determined.•Bitumen rheological properties correspond to cryogenic stresses induced in mixture.•Mixture failure temperature results from combined bitumen properties and its content.
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关键词
Bitumen,Performance grade,TSRST,Low-temperature cracking,Thermal cracking,Three-point bending,Asphalt,Transverse pavement cracking,Cryogenic stresses,BBR,Fraass breaking point
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