日本名古屋市大有建设公司发明了一种新的铺路方法 ,可以降低汽车行驶时的噪声。小汽车行驶时 80 %的噪声是轮胎发出的 ,该方法在防止噪声公害方面可发挥作用。新的铺路方法是在进行了使雨水渗透到道路内部 (道路表层材料为砂、石、沥青等 )的透水层施工后 ,再将 1- 2 5毫米左 A major construction company in Nagoya, Japan, invented a new paving method to reduce noise when driving a car. 80% of the noise emitted by the car is emitted by the tire, this method can play a role in preventing noise pollution. The new paving method is to carry out the construction of the permeable layer that allows rainwater to penetrate into the road (the surface material of the road is sand, stone, asphalt, etc.)