Evaluation method of differential scanning calorimetry for asphalt performance

CENG Fan-qi; HUANG Xiao-ming; LI Hai-jun

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CENG Fan-qi, HUANG Xiao-ming, LI Hai-jun. Evaluation method of differential scanning calorimetry for asphalt performance[J]. Journal of Traffic and Transportation Engineering, 2005, 5(4): 37-42.

Citation:

CENG Fan-qi, HUANG Xiao-ming, LI Hai-jun. Evaluation method of differential scanning calorimetry for asphalt performance[J]. Journal of Traffic and Transportation Engineering, 2005, 5(4): 37-42.

CENG Fan-qi, HUANG Xiao-ming, LI Hai-jun. Evaluation method of differential scanning calorimetry for asphalt performance[J]. Journal of Traffic and Transportation Engineering, 2005, 5(4): 37-42.

Citation:

CENG Fan-qi, HUANG Xiao-ming, LI Hai-jun. Evaluation method of differential scanning calorimetry for asphalt performance[J]. Journal of Traffic and Transportation Engineering, 2005, 5(4): 37-42.

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Evaluation method of differential scanning calorimetry for asphalt performance

School of Transportation, Southeast University, Nanjing 210096, China

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Author Bio:
Zeng Fan-qi (1971-), male, doctoral student, 86-371-68886126, zfqzfq@sina.com
Received Date: 2005-07-20
Publish Date: 2005-12-25

Abstract

Abstract

In order to evaluate the high temperature performances of different asphalts, asphalt heat quantity was measured when the assembling state of original asphalt changed, and asphalt heat stabilities and change extents under different aging extents and paraffin wax contents were measured by DSC method. The result indicates that asphalt temperature stability is improved, asphalt temperature sensitivity is reduced after asphalt is modified; asphalt aging time is longer, asphalt heat stability is better; the lower asphalt paraffin wax content is, the better asphalt temperature sensitivity is. The testing results of DSC method and general high temperature index experiment are consistent, their relativity is good, DSC method is a better method to verify and evaluate asphalt high temperature performance.
- pavement engineering,
- asphalt,
- DSC method,
- high temperature performance

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References(8)

References

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