蜜柚app

 2017年(nian)12月13日，總工(gong)(gong)(gong)辦委托青島(dao)市(shi)環境科(ke)學保護研(yan)(yan)(yan)究院完成(cheng)11號線U梁(liang)敷(fu)(fu)板(ban)式吸聲(sheng)(sheng)降(jiang)噪(zao)器(qi)應用(yong)(yong)效果(guo)測(ce)試工(gong)(gong)(gong)作(zuo)。U梁(liang)敷(fu)(fu)板(ban)式吸聲(sheng)(sheng)降(jiang)噪(zao)器(qi)為總工(gong)(gong)(gong)辦牽頭，聯合中(zhong)科(ke)院聲(sheng)(sheng)學研(yan)(yan)(yan)究所、青島(dao)聲(sheng)(sheng)達(da)科(ke)技(ji)有(you)限(xian)公司聯合研(yan)(yan)(yan)發(fa)(fa)的地鐵高架線路新型降(jiang)噪(zao)裝置(zhi)，該裝置(zhi)利用(yong)(yong)預(yu)埋(mai)槽道(dao)安(an)裝于U梁(liang)腹板(ban)內(nei)側，與傳統聲(sheng)(sheng)屏障(zhang)相比(bi)不僅(jin)景(jing)觀效果(guo)好，還減少了對周(zhou)邊建筑物(wu)采光(guang)的遮擋(dang)，且(qie)具(ju)有(you)安(an)裝簡單、維護更換方便、成(cheng)本低的特點。在(zai)研(yan)(yan)(yan)發(fa)(fa)伊始，總工(gong)(gong)(gong)辦即注重成(cheng)果(guo)轉化工(gong)(gong)(gong)作(zuo)，同步編制了施工(gong)(gong)(gong)及驗收標(biao)準，對施工(gong)(gong)(gong)單位組織技(ji)術指導，推動(dong)該新技(ji)術在(zai)11號線全線應用(yong)(yong)。經測(ce)試，其降(jiang)噪(zao)效果(guo)可達(da)3分(fen)貝以(yi)上，滿足了研(yan)(yan)(yan)發(fa)(fa)預(yu)期，具(ju)有(you)良好的推廣價值和前(qian)景(jing)。