第41卷第6期2022年12月Vol.41,No.6Dec.,2022声学技术TechnicalAcoustics大厚度差真空玻璃隔声特性研究车奕辰(华东建筑设计研究院有限公司声学及剧院专项设计研究所，上海200011)摘要：Cabrera和Nugroho等人对3v3(3mm单层玻璃+0.2mm真空层+3mm单层玻璃)、3v5以及5v5构造的真空玻璃进行了研究，结果表明真空玻璃的隔声特性符合薄板隔声理论，但10mm单层玻璃较符合厚板隔声理论。因此需进一步研究当真空玻璃的厚度进一步增大后的隔声特性。文章增加真空玻璃厚度至3v10，采用现场声强测量法进行隔声测量，基于Davy和Sharp隔声理论建立了隔声模拟模型，对实测和模拟特性进行对比分析。结果表明，3v10真空玻璃的隔声特性更符合厚板隔声理论。与3v5真空玻璃相比，3v10真空玻璃的计权修正表观隔声量未明显提高，但有助于降低现场隔声等级隔声最低值与评价量之间的差值。关键词：大厚度差；真空玻璃；现场声强测量；厚板；隔声特性中图分类号：TU112文献标志码：A文章编号：1000-3630(2022)-06-0903-06Studyonthesoundinsulationcharacteristicsofvacuuminsulat-ingglazingwithlargethicknessdifferenceCHEYichen(AcousticalandTheaterDesign&ResearchStudio，EastChinaArchitecturalDesign&ResearchInstituteCo.，LTD，Shanghai200011，China)Abstract:CabreraandNugrohoetal.studiedthesoundinsulationcharacteristicsof3v3(3mmtransparentglass+0.2mmvacuumlayer+3mmtransparentglass),3v5,and5v5vacuuminsulatingglazing.Theresultsshowthatthevacuuminsulatingglazingfollowsthethinpaneltheory,butthe10mmsinglepaneglassismoreinlinewiththethickpaneltheory.Therefore,thesoundinsulationcharacteristicsofvacuuminsulatingglazingneedtobestudiedwhenthethicknessoftheglassisfurtherincreased.Inthispaper,thethicknessofthevacuuminsulatingglazingisincreasedto3v10,andthesoundinsulationmeasurementsarecarriedoutbythefieldsoundintensitymeasurementmethod.AsoundinsulationsimulationmodelbasedonDavyandSharp'stheoryhasbeendevelopedtocomparethemeasuredandsimulatedcharacteristics.Theresultsshowthatthesoundinsulationcharacteristicsof3v10vacuuminsulatingglazingfollowthethickpaneltheory.Comparedwith3v5,theweightedmodifiedapparentsoundintensityreductionindexof3v10vacuuminsulatingglazingisnotimprovedobviously,butiti...
