Abstract
The low noise pavements have been put in to practice in Tokyo metropolitan since 1994 in order to reduce the noise along roads, and the projects are increasing. The surveying results of the low noise pavements failures, the mechanism of the scattering, and the development a new apparatus to evaluate scattering have been reported last year. Based on the findings of last research, investigation on the actual processing state of the aggregate is carried out. In addition, measures to reduce the occurrence of scattering are examined in. It is concluded that controlling of the temperature in construction of the pavements is important. It is effective to use modified high viscosity asphalt, resin coat as a surface treatment to reduce the scattering of the aggregates.
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