住在临街住宅里的城市居民,长期以来一直深受汽车噪声之害,日夜被搅得头昏脑胀,烦躁不安。长期在强噪声环境中生活可导致人生理和心理产生疾病。为了消除因路面反射声波而造成的强噪声,一些西欧国家近年来在公路上铺设了一种特殊的“消声沥青”。这种消声沥青里渗入了小砂粒、玄武岩碎片以及一些特殊材料,能大量吸收汽车所发出的噪声。消声沥青铺设的路面疏 Urban dwellers living in frontage houses have long been victimized by car noise and have been confused and irritated day and night. Long-term life in a strong noise environment can lead to physical and psychological illness. In order to eliminate the strong noise caused by the sound waves reflected by the pavement, some Western European countries have laid a special “muffler bitumen” on the roads in recent years. This muffler bitumen infiltrates small sand grains, basalt fragments, and some special materials that can absorb the noise emitted by the car in large quantities. Pavement muffler asphalt laying sparse