該(gai)聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)項目位(wei)于山東省青島市(shi)城陽(yang)高(gao)架橋，整(zheng)體采用綠色百葉窗聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)，高(gao)度(du)2.0m，頂(ding)部(bu)弧(hu)形(xing)。當空氣中傳播的(de)(de)(de)聲(sheng)(sheng)波遇到聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)時，就(jiu)會(hui)產生(sheng)反射(she)、透射(she)和繞(rao)(rao)(rao)射(she)現(xian)象(xiang)。一部(bu)分越(yue)過聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)頂(ding)端 繞(rao)(rao)(rao)射(she)到達(da)受聲(sheng)(sheng)點，一部(bu)分穿透聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)到達(da)受聲(sheng)(sheng)點，一部(bu)分在(zai)聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)壁(bi)面產生(sheng)反射(she)。聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)的(de)(de)(de)插(cha)入損失(shi)主要取(qu)決于聲(sheng)(sheng)源(yuan)發出的(de)(de)(de)聲(sheng)(sheng)波沿著三(san)條道路傳播的(de)(de)(de)聲(sheng)(sheng)能分配(pei)。聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)的(de)(de)(de)作(zuo)用就(jiu)是阻擋直(zhi)達(da)聲(sheng)(sheng)的(de)(de)(de)傳播， 隔離透射(she)聲(sheng)(sheng)，并(bing)使繞(rao)(rao)(rao)射(she)聲(sheng)(sheng)有足夠的(de)(de)(de)衰減。當聲(sheng)(sheng)波撞擊到聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)的(de)(de)(de)壁(bi)面上(shang)時，會(hui)在(zai)聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)邊緣產生(sheng)繞(rao)(rao)(rao)射(she)現(xian)象(xiang)，而(er)在(zai)聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)背后形(xing)成“聲(sheng)(sheng)影區(qu)”。我們(men)所期待的(de)(de)(de)聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)的(de)(de)(de)減噪效果就(jiu)在(zai)“聲(sheng)(sheng)影區(qu)”的(de)(de)(de)范圍 內，這就(jiu)是聲(sheng)(sheng)屏(ping)(ping)(ping)障(zhang)(zhang)降噪的(de)(de)(de)基本原理。