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- Title
The influence of rejuvenation agents on properties of aged asphalt.
- Authors
WANG Zhimei; XIE Shiping
- Abstract
In the use of waste asphalt mixture recycling agent shall be added to ensure its road performance. The recycling agent was mixed into two kinds of aged asphalt to test the basic physical properties and rheological properties of the asphalt. The results show that the penetration and ductility of aged asphalt increase while softening point decreases with the addition of recycling agent. The optimum dosage of recycling agent is 4% according to the index of unaged modified asphalt. The workability and low temperature crack resistance of aging asphalt are improved significantly after adding recycling agent but the stable at high temperature of aged asphalt is damaged.
- Publication
New Building Materials / Xinxing Jianzhu Cailiao, 2019, Vol 46, Issue 9, p24
- ISSN
1001-702X
- Publication type
Article