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 2017年12月(yue)13日，總工(gong)(gong)(gong)辦(ban)委托青島市(shi)環境科(ke)學保護研(yan)究院(yuan)完成(cheng)11號(hao)(hao)線(xian)U梁(liang)敷(fu)板式(shi)吸(xi)聲(sheng)降(jiang)噪(zao)(zao)器(qi)應用效果測(ce)試(shi)工(gong)(gong)(gong)作。U梁(liang)敷(fu)板式(shi)吸(xi)聲(sheng)降(jiang)噪(zao)(zao)器(qi)為總工(gong)(gong)(gong)辦(ban)牽頭，聯(lian)合中科(ke)院(yuan)聲(sheng)學研(yan)究所、青島聲(sheng)達科(ke)技(ji)有(you)(you)限公(gong)司聯(lian)合研(yan)發的(de)地鐵(tie)高(gao)架線(xian)路(lu)新型降(jiang)噪(zao)(zao)裝(zhuang)置，該(gai)裝(zhuang)置利用預埋(mai)槽道安裝(zhuang)于(yu)U梁(liang)腹板內(nei)側，與傳統聲(sheng)屏障相比不僅(jin)景(jing)觀效果好，還減少(shao)了(le)對周邊建筑物采光的(de)遮擋，且具有(you)(you)安裝(zhuang)簡單(dan)、維護更換方便、成(cheng)本低(di)的(de)特(te)點。在(zai)研(yan)發伊始，總工(gong)(gong)(gong)辦(ban)即注重成(cheng)果轉化工(gong)(gong)(gong)作，同步編制了(le)施工(gong)(gong)(gong)及驗收標準，對施工(gong)(gong)(gong)單(dan)位組織技(ji)術指導，推動該(gai)新技(ji)術在(zai)11號(hao)(hao)線(xian)全線(xian)應用。經測(ce)試(shi)，其降(jiang)噪(zao)(zao)效果可(ke)達3分貝以上，滿足(zu)了(le)研(yan)發預期，具有(you)(you)良好的(de)推廣價值和(he)前景(jing)。