evaluation of wall designs that control airborne sound transmission墙的设计，控制空气中声传输的评价

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1、TECHNICALREPORTEVALUATIONOFWALLDESIGNSTHATCONTROLAIRBORNESOUNDTRANSMISSIONFirmIdeas100East51stStreetAustin,TX78705(512)400-3333FIRMIDEASMay1,2003MikeParker,ManagerofEBCProperties1123ParkerLaneAustin,TX78705DearMr.Parker:TheattachedtechnicalreportcontainsFirmIde

2、as’evaluationofwalldesignsthatcontrolairbornesoundtransmission.Thisreportincludesthedescriptionsofeachwalldesign,theevaluationprocess,andthewalldesignthatFirmIdeasrecommendsEBCPropertiesuseintheirnewapartmentcomplexes.WeusedthesolutioncriteriaestablishedbyEBCPr

3、opertiesandFirmIdeastoevaluatesixwalldesigns:·SingleStudWallwithResilientChannel·SingleStudWallwithSoundDeadeningBoard·StaggeredStudWall·StaggeredStudWallwithSoundDeadeningBoard·DoubleStudWall·DoubleStudWallwithSoundDeadeningBoardFirmIdeasrecommendsthatEBCPrope

4、rtiesusetheDoubleStudWallintheirnewapartmentcomplexes.First,theDoubleStudWallprovidesmoderateperformancewithanSTCvalueof53decibels.Second,theDoubleStudWallhasarelativelylowmaterialcostof$11.98perlinearfootandarelativelylowlaborcostof$8.74perlinearfoot.Finally,t

5、heDoubleStudWallcansupportthehighestmountableobjectweightof110poundsperlinearfoot.ThiswalldesignbestmeetstheneedsofEBCProperties.FirmIdeasisavailabletoansweranyquestionsyoumayhaveconcerningthisreportortheprojectingeneral.YoucancontactFirmIdeasat(512)400-3333orb

6、yemailatengineers@mail.utexas.edu.Sincerely,JeffreyHuntProjectEngineerEvaluationofWallDesignsthatControlAirborneSoundTransmissionPreparedforEBCPropertiesPreparedbyJeffHuntFirmIdeasMay1,2003TableofContentsListofIllustrations……………………………………………………………………………iExecutiv

7、eSummary………………………………………………………………………….iiIntroduction……………………………………………………………………………………1Background……………………………………………………………………………………1Purpose,Scope,andLimitations………………………………………………………………1Methodology……………………………...…………………………………………………...2OrganizationofReport2WallDesignAl

8、ternatives……………………………………………………………………3BasicsofSoundControl………………………………………………………..……………..3WallDesigns………………………………………….………………………..……………...3SummaryofWallDesigns……………………………………………