construction building envelope and interior finishes databook：acoustics／sound control

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1、ConstructionBuildingEnvelopeandInteriorFinishesDatabookSidneyM.LevyMcGraw-HillNewYorkSanFranciscoWashington,D.C.AucklandBogotáCaracasLisbonLondonMadridMexicoCityMilanMontrealNewDelhiSanJuanSingaporeSydneyTokyoTorontoSection8Acoustics/SoundControlContents8.0.0Whatissound?8.11.0Rat

2、ingsfor2"to6"concreteslabsand8.0.1Sound:UnitsofmeasurevariousSTC-ratedceilingassemblies8.1.0Soundandtheofficeenvironment8.12.0AcousticaldoorsandSTCRelevancy8.2.0Soundratingsystemschart8.2.1STCratings8.12.1Acousticaldoortestdesignations8.2.2CommonSTCratings8.12.2Acousticaldoortechn

3、icalinformation8.2.3Decibellevelsofcommonnoises8.12.3TheeffectofacousticaldoorsonSTC8.3.0Soundcontrol(generalfactorsthatratingsaffectacousticalcontrol)8.12.4Acousticaldoorgasketingandlitede-8.4.0Do’sandDon’tsfordrywallpartitionstails8.5.0TypicalSTCratingsforvarioustypes8.13.0Nois

4、e-mufflingqualitiesofvariousofconcreteandmasonrywalls/floorstypesofplumbingrisers8.5.1Do’sandDon’ts(illustrated)8.14.0Plumbinginstallationacousticalcon-8.6.0Estimatedwoodfloorsoundperfor-siderationsmance8.15.0Ductsystemsandacousticalconsid-8.7.0ThechallengeofTVandstereoerations8.8.0

5、Controllingoctavebandtransmission8.16.0Compositewall/electricalboxinstalla-withsound-attenuationblanketstions8.9.0STCratingsforvariouspartition8.17.0Electricaltransformersandincreasedtypesdecibellevels8.10.0SuggestedSTCratingsandconstruc-tion507508Section8Acousticsisthescienceofs

6、oundandvibration.Thecontrolofsoundandvibrationtrans-missionwithinastructureinvolvesarchitecturaldesignandstructural,mechanical,andelectricalengineeringconsiderations.Theendresultofabuildingwhereacousticalandvibrationcontrolistakenintoaccountduringdesignandwheretheseconsiderations

7、arecarriedoutbythecontractorresultsinthecreationofanenvironmentinwhichpeoplecanliveandworkmorecomfortablyandproductively.8.0.0WhatIsSound?Soundisavibrationthatoccursatvariousfrequenciesinanelasticmedium.Itisgener-atedatasourceandittravelsthrougheitheragaseous,liquid,orsolidenviro

8、nment.Sound-pressurelevelsarerepresented