초록

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Abstract ▼ AI-Helper

Roads have been frequently damaged due to the increase in heavy weight vehicles. It is important to study on the patching material for asphalt pavements because damaged roads is an issue that is directly related to human life. This study was conducted to develop an urethane modified asphalt binder a...

Roads have been frequently damaged due to the increase in heavy weight vehicles. It is important to study on the patching material for asphalt pavements because damaged roads is an issue that is directly related to human life. This study was conducted to develop an urethane modified asphalt binder available at room temperature. In addition, the possibilities of its utilization as an asphalt pothole patching material were estimated. The segregation, storage stability and viscosity tests were performed to confirm the stability of urethane modified asphalt mixture. Test results showed that more than 30 percent of process oil needs to be contained within urethane modified asphalt binder to meet the stability requirement. Urethane Modified Asphalt Mixture is more excellent Rutting Resistance and Indirect Tensile Strength than those of the conventional hot mix asphalt mixture. The loss energy analysis conducted for the test bed presented that load distribution and fatigue crack resistance were also noticeable compare to those of conventional.

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