논문 (학술지)
재생첨가제 함량에 따른 노화된 바인더의 물성 변화 기초 연구
| 등록번호 | - | SCI 구분
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※구분 : SCI(SCIE포함), 비SCI |
비SCI |
|---|---|---|---|
| 저자명 (주·공동저자) | 이선우; 임치수; 장대성 | ||
| 논문구분 | 국내전문학술지 | 학술지명 | 한국도로학회 논문집 |
| ISSN | 1738-7159 | 학술지 출판일자 | 2023-06-15 |
| 학술지 볼륨번호 | 25(3) | 논문페이지 | 47 ~ 54 |
| 학술지 임팩트팩터 | 0.0 | 기여율 | 100 % |
| DOI | https://doi.org/10.7855/IJHE.2023.25.3.047 | ||
| 초록 | ABSTRACT PURPOSES : The process of extracting and recovering an asphalt binder from an asphalt mixture is harmful to the human body and can affect the properties of the asphalt binder owing to the presence of residual solvent quantities. This study was conducted to determine the properties of aged asphalt binders based on rejuvenator content without extracting and recovering the asphalt binders using RAP mortar. METHODS : After extracting and recovering aged binders from waste asphalt, a rejuvenator was added at a certain rate to evaluate the physical and rheological properties of the binder based on the added amount. RESULTS : When the rejuvenator content was greater than necessary, the absolute viscosity was not properly measured owing to the behavior of the rejuvenator. The phase angle was measured to be almost 90°, thus indicating that it acted as a liquid . In addition, the shear strain and nonrecovery compliance also increased significantly. CONCLUSIONS : If an excess rejuvenator quantity was added to the aged binder, the absolute viscosity was not properly measured, the phase angle was measured to be almost 90°, and the shear strain increased significantly. It is also necessary to conduct the same tests on different types of RAPs to ensure that the results of this study are reasonable. | ||
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