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http://dx.doi.org/10.7855/IJHE.2013.15.3.065

Study for Dynamic Modulus Change Measurement of Permeable Asphalt Mixtures with Various Porosity using Non-Destructive Impact Wave  

Jang, Byung Kwan (서울과학기술대학교 건설시스템디자인공학과)
Yang, Sung Lin (한국건설기술연구원 도로연구실)
Mun, Sung Ho (서울과학기술대학교 건설시스템디자인공학과)
Publication Information
International Journal of Highway Engineering / v.15, no.3, 2013 , pp. 65-74 More about this Journal
Abstract
PURPOSES: This study is to evaluate the dynamic modulus changes of permeable asphalt mixtures by using non-destructive impact testing method and to compare the dynamic moduli of permeable asphalt mixtures through repeated freezing and thawing conditions. METHODS: For the study, non-destructive impact testing method is used in order to obtain dynamic modulus of asphalt specimen and to confirm the change of dynamic modulus before and after freezing and thawing conditions. RESULTS : This study has shown that the dynamic moduli of asphalt concrete specimens consisting of 10%, 15% and 20% porosity are reduced by 11.851%, 1.9564%, 24.593% after freezing and thawing cycles. CONCLUSIONS : Non-destructive impact testing method is very useful and has repeatability. Specimen with 15% porosity has high durability than others.
Keywords
non-destructive impact testing method; dynamic modulus; asphalt concrete; porosity;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
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