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http://dx.doi.org/10.7855/IJHE.2013.15.1.087

Characteristics of Dynamic Shear Modulus Mastercurve of Aged or Unaged Asphalt Binders  

Yun, Tae Young (한국건설기술연구원 도로연구실)
Ham, Sang Min (한국건설기술연구원)
Yoo, Pyeong Jun (한국건설기술연구원 도로연구실)
Publication Information
International Journal of Highway Engineering / v.15, no.1, 2013 , pp. 87-94 More about this Journal
Abstract
PURPOSES: To characterize the aging effect on asphalt binder, dynamic shear modulus mastercurve of two typical asphalt binders are developed. METHODS: To develop dynamic shear modulus mastercurve, dynamic shear modulus at high temperature and creep stiffness at low temperature are measured by temperature sweep test and bending beam rheometer test, respectively. RESULTS: It is observed that the aging effect on asphalt binder can be clearly observed from dynamic shear modulus mastercurve and the mastercurve can be utilized to predict behavior of asphalt binder at wide range of temperature. CONCLUSIONS: It is confirmed that SBS 5% modified binder has more desirable mechanical property at low and high temperature as a pavement material comparing to PG64-22 binder and the mastercurve is an effective tool to evaluate the property of asphalt binder.
Keywords
temperature sweep test; bending beam rheometer; dynamic shear rheometer; dynamic shear modulus; interconversion;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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