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A Study on Application of Warm-Mix Quiet Pavement Using Fine-Size Aggregate  

Jo, Shinhaeng (Department of Civil Engineering, University of Kyonggi)
Baek, Yujin (Expressway & Transportation Research Institute, Korea Expressway Corporation)
Kim, Nakseok (Department of Civil Engineering, University of Kyonggi)
Publication Information
Journal of the Society of Disaster Information / v.9, no.1, 2013 , pp. 56-64 More about this Journal
Abstract
The study examines the quiet pavement using fine-size aggregates and warm-mix technique to reduce traffic noise. In order to evaluate the quality of pavement, mix design and laboratory tests were carried out. Test results showed that using 10mm aggregates can reduce the cantabro loss compared with 13mm aggregates due to increase contact area between aggregates. Mixing and compaction temperatures of warm mix quiet pavement should be determined by gyratory compactor test because it is used high viscosity asphalt binder. Using warm-mix additive could reduce compaction temperature by about $15^{\circ}C$. Noise measurement and permeability tests were conducted at the test road for evaluation of the field performance. All of quiet pavements meet the standard of permeability and have sufficient porosity. Noise reduction of the quiet pavement using fine-size aggregates is more effective than that using 13mm aggregates. In particular, the effect of noise reduction was noticeable at low speeds.
Keywords
warm mix technique; fine-size aggregate; quiet pavement; noise; compaction temperature;
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