影響(xiang)隔聲(sheng)(sheng)(sheng)(sheng)墻體隔聲(sheng)(sheng)(sheng)(sheng)量的(de)主要原因有(you):材料的(de)厚度、材料的(de)密度、聲(sheng)(sheng)(sheng)(sheng)學空腔、密封(feng)性等。考慮到吻合效應，常采用多層(ceng)復合結構(gou)作為(wei)隔聲(sheng)(sheng)(sheng)(sheng)材料。隔聲(sheng)(sheng)(sheng)(sheng)罩(zhao)與聲(sheng)(sheng)(sheng)(sheng)源(yuan)(yuan)設備不得有(you)任(ren)何剛(gang)性連接，以(yi)免引(yin)起罩(zhao)體振(zhen)動，環保(bao)降噪公(gong)司，輻(fu)射噪聲(sheng)(sheng)(sheng)(sheng)。在設計隔聲(sheng)(sheng)(sheng)(sheng)罩(zhao)時要注(zhu)意縫隙孔洞(dong)漏聲(sheng)(sheng)(sheng)(sheng)，做好(hao)結構(gou)上(shang)(shang)節(jie)點的(de)連接。隔聲(sheng)(sheng)(sheng)(sheng)罩(zhao)常用于(yu)小型噪聲(sheng)(sheng)(sheng)(sheng)源(yuan)(yuan)，但(dan)一般機(ji)械(xie)設備在工(gong)藝(yi)上(shang)(shang)很(hen)難實現完全封(feng)閉，需考慮通風散熱(re)，可設計為(wei)局部隔聲(sheng)(sheng)(sheng)(sheng)罩(zhao)。為(wei)避免隔聲(sheng)(sheng)(sheng)(sheng)罩(zhao)罩(zhao)壁受聲(sheng)(sheng)(sheng)(sheng)源(yuan)(yuan)激發而產生(sheng)共振(zhen)，罩(zhao)內(nei)壁與機(ji)械(xie)設備之間(jian)留有(you)空間(jian)，降噪工(gong)程公(gong)司，距離不得小于(yu)10cm。

把產(chan)生噪聲(sheng)(sheng)(sheng)(sheng)(sheng)的(de)(de)機(ji)器(qi)設備(bei)封閉(bi)在(zai)一個小的(de)(de)空間，使它與周圍(wei)環境隔開，以(yi)減少(shao)噪聲(sheng)(sheng)(sheng)(sheng)(sheng)對(dui)環境的(de)(de)影(ying)響(xiang)，這(zhe)種做(zuo)法叫做(zuo)隔聲(sheng)(sheng)(sheng)(sheng)(sheng)。降噪處(chu)理措施：消聲(sheng)(sheng)(sheng)(sheng)(sheng)：使用消聲(sheng)(sheng)(sheng)(sheng)(sheng)器(qi)降低空氣(qi)動(dong)力性(xing)(xing)噪聲(sheng)(sheng)(sheng)(sheng)(sheng)，如各種風機(ji)、空壓(ya)機(ji)排(pai)風口等進(jin)、排(pai)氣(qi)噪聲(sheng)(sheng)(sheng)(sheng)(sheng)。噪聲(sheng)(sheng)(sheng)(sheng)(sheng)對(dui)人體的(de)(de)危害是(shi)全身(shen)性(xing)(xing)的(de)(de)，既(ji)可以(yi)引(yin)起聽(ting)覺系統(tong)(tong)的(de)(de)變化，也可以(yi)對(dui)非聽(ting)覺系統(tong)(tong)產(chan)生影(ying)響(xiang)。這(zhe)些影(ying)響(xiang)的(de)(de)早期主要是(shi)生理性(xing)(xing)改(gai)變，亳州降噪工程，長期接觸比較強(qiang)烈的(de)(de)噪聲(sheng)(sheng)(sheng)(sheng)(sheng)，可以(yi)引(yin)起病理性(xing)(xing)改(gai)變。

隔(ge)(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)就(jiu)是采(cai)用密(mi)度重的(de)材(cai)料制(zhi)成構件加以阻擋(dang)或(huo)將噪(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)封(feng)閉在(zai)(zai)一個空(kong)(kong)間(jian)(jian)，使其(qi)與周圍空(kong)(kong)氣隔(ge)(ge)絕，隔(ge)(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)措(cuo)(cuo)施有(you)隔(ge)(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)間(jian)(jian)、隔(ge)(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)罩、隔(ge)(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)屏、隔(ge)(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)門和隔(ge)(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)窗，隔(ge)(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)只對(dui)空(kong)(kong)氣聲(sheng)(sheng)(sheng)(sheng)(sheng)傳(chuan)播(bo)有(you)效，而對(dui)固體(ti)導聲(sheng)(sheng)(sheng)(sheng)(sheng)無效。聲(sheng)(sheng)(sheng)(sheng)(sheng)屏障(zhang)在(zai)(zai)室外(wai)是控制(zhi)交(jiao)通(tong)噪(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)污染常(chang)見的(de)有(you)效措(cuo)(cuo)施，在(zai)(zai)交(jiao)通(tong)干線兩側設(she)置聲(sheng)(sheng)(sheng)(sheng)(sheng)屏障(zhang)，以降(jiang)(jiang)低(di)干線兩側的(de)交(jiao)通(tong)噪(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)。對(dui)于聲(sheng)(sheng)(sheng)(sheng)(sheng)屏障(zhang)設(she)計，工業降(jiang)(jiang)噪(zao)，聲(sheng)(sheng)(sheng)(sheng)(sheng)屏障(zhang)本身要有(you)足(zu)夠(gou)的(de)隔(ge)(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)量(liang)，否則透射(she)聲(sheng)(sheng)(sheng)(sheng)(sheng)能過大，就(jiu)起(qi)不到隔(ge)(ge)聲(sheng)(sheng)(sheng)(sheng)(sheng)效果。固體(ti)聲(sheng)(sheng)(sheng)(sheng)(sheng)能傳(chuan)播(bo)到很遠的(de)地方，即隨著(zhu)距離(li)的(de)增加衰減很小。對(dui)于因(yin)基礎向(xiang)外(wai)傳(chuan)遞振(zhen)(zhen)動而產生的(de)固體(ti)聲(sheng)(sheng)(sheng)(sheng)(sheng)可采(cai)取隔(ge)(ge)振(zhen)(zhen)方法加以控制(zhi)，而對(dui)于機組表面振(zhen)(zhen)動向(xiang)外(wai)輻射(she)的(de)噪(zao)聲(sheng)(sheng)(sheng)(sheng)(sheng)可以利用阻尼減振(zhen)(zhen)的(de)辦法加以控制(zhi)。