Abstract
The noise-reduction performance of drainage pavement in Hokkaido deteriorates early. In the cold, snowy climate, voids in the pavement which are scattered by tire chain and snow ploughing. As an alternative, low-noise pavement made using more durable materials is being developed. The open-graded joint pavement is a low-noise pavement in which voids are filled with protective materials in the upper part of the pavement. It mitigates the crushing closed and clogging of the voids. The noise-reduction performance is extended by the synergic effect between the voids and elastic materials. Also, ice prevention can be expected.This report discusses the benefits and usability of open-graded joint pavement as determined in an indoor experiment and an experiment to verify its performance.
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