主要分类 The main classification 声屏障按材质分类又可以分为以下几类：金属声屏障（金属百叶、金属筛网孔）、混凝土声屏障（轻质 混凝土、高强混凝土）、 PC声屏障、玻璃钢声屏障等。最宽2.7米宽pc钢化有机玻璃板已在无锡正成生产，声屏障厂安装成功，大大改善视觉和降噪效果 According to the material classification and noise barrier can be divided into the following categories: metal sound barriers (metal shutter), metal mesh hole, concrete noise barrier (lightweight concrete, high strength concrete), PC sound barriers, FRP acoustic barrier, etc. The widest 2.7-meter-wide PC toughened organic glass plate has been produced in wuxi, and the installation of the acoustic barrier has greatly improved the visual and noise reduction effects 按不同的用途又可以分为这样几类：铁路 声屏障、公路声屏障、城市景观声屏障、居民区降噪声屏障等。 Different USES can be divided into several categories: railway sound barrier, highway sound barrier, urban landscape sound barrier, residential area noise barrier and so on.