마이크로캡슐을 이용한 자기치유형 아스팔트 공시체의 성능 연구

With a plan for preventing the pavement damages, this study is to research the properties of self-healing asphalt mixtures containing microcapsule by comparing with Hot-Mixed Asphalt(HMA) mixture which can lengthen the life span of pavement. In this study, selfhealing asphalt mixtures were produced using the microcapsule composed by Styrene-Butadiene-Styrene(SBS) and Benzophenone. For figuring out the properties of self-healing asphalt mixtures, the dynamic load test and indirect tensile test were conducted in this study. In these tests, two tests were complexly conducted for both asphalt mixture specimens and self-healing asphalt specimens to confirm the self-healing effect. In the first indirect tensile test, we simply conclude that SHA mixtures can bear the heavy load comparing to HMA about tensile failure. According to the result of tests, this study demonstrated the self healing effect of SHA composed of microcapsule having SBS and Benzophenone. From finding of this study, the self-healing asphalt has more superb properties than HMA. For about that, the using of self-healing asphalt mixture in many fields can reduce the maintenance cost and increase the life cycle of the construction.