Citation: JI Jie, SHI Yue-feng, SUO Zhi, XU Shi-fa, YANG Song, LI Peng-fei. Comparison on properties of modified asphalt blended with DCLR and TLA[J]. Journal of Fuel Chemistry and Technology, ;2015, 43(9): 1061-1067. shu

Comparison on properties of modified asphalt blended with DCLR and TLA

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School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China

Corresponding author: JI Jie,
Received Date: 23 December 2014
Available Online: 16 April 2015
Fund Project: 国家自然科学基金(51478028) (51478028) 北京市属高等学校高层次人才引进与培养计划项目(PXM2013-014210-000165)。 (PXM2013-014210-000165)

The DCLR and TLA content are 5%, 10%, 15% and 20% by mass of SK-90 base asphalt respectively. The properties and microstructures of DCLR and TLA blending modified asphalts are tested by SHRP PG, penetration system, infrared spectrometer and gel permeation chromatograph. It indicates that adding DCLR and TLA can improve the high-temperature properties of asphalts, but the low-temperature and fatigue resistance of asphalts are declined. Based on the functional group and molecular weight distribution of asphalts, it predicts that the physical modification be happened in the DCLR and TLA blending modified asphalt. Meanwhile, the DCLR cannot replace TLA totally.
- DCLR blending modified asphalt,
- TLA blending modified asphalt,
- properties,
- micro-structure,
- feasibility
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沈阳化工大学材料科学与工程学院沈阳 110142