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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국농공학회 한국농공학회논문집 한국농공학회논문집 제61권 제3호
발행연도
2019.1
수록면
43 - 53 (11page)

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It is well-known fact that the stone-mastic asphalt (SMA) mixture has shown superior rut resistance, compared with the dense-graded asphalt (DGA)mixture in highway pavements. However, the SMA is measured to be inferior to DGA mixes when tested by well-known high-temperature test methods,such as the wheel tracking (WT), asphalt pavement analyzer, the Marshall Stability and Kim Test. Therefore, this study examined the reasons why itwas measured to be inferior, and devised a potential procedure by which the superiority of SMA could be measured at 60℃. The strength againstdeformation (SD), which was known to show very high correlation with WT results for DGA mixes, was measured by the Kim Test on the specimenconfined in the compacted mold. In standard Kim Test, which used the specimen without confinement, the DGA was measured to show higher SD thanthe SMA. But by confining specimen, it was found that the SD of SMA was measured to be higher than that of DGA. Therefore, the confined statictest protocol devised in this study was found to be feasible for evaluating rut resistance of SMA mix.

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