ASTM E90-2004 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements《实验室测量建筑物隔墙和构件的空气声音传输损失的标准试验方法》.pdf
《ASTM E90-2004 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements《实验室测量建筑物隔墙和构件的空气声音传输损失的标准试验方法》.pdf》由会员分享,可在线阅读,更多相关《ASTM E90-2004 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements《实验室测量建筑物隔墙和构件的空气声音传输损失的标准试验方法》.pdf(14页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: E 90 04Standard Test Method forLaboratory Measurement of Airborne Sound TransmissionLoss of Building Partitions and Elements1This standard is issued under the fixed designation E 90; the number immediately following the designation indicates the year of originaladoption or, in the case
2、of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.INTRODUCTIONThis test metho
3、d is part of a set for evaluating the sound-insulating properties of building elements.It is designed to measure the transmission of sound through a partition or partition element in alaboratory. Others in the set cover the measurement of sound isolation in buildings (Test MethodE 336), the laborato
4、ry measurement of impact sound transmission through floors (Test Method E 492),the measurement of impact sound transmission in buildings (Test Method E 1007), the measurementof sound transmission through building facades and facade elements (Guide E 966), the measurementof sound transmission through
5、 a common plenum between two rooms (Test Method E 1414), a quickmethod for the determination of airborne sound isolation in multiunit buildings (Practice E 597), andthe measurement of sound transmission through door panels and systems (Test Method E 1408).1. Scope1.1 This test method covers the labo
6、ratory measurement ofairborne sound transmission loss of building partitions such aswalls of all kinds, operable partitions, floor-ceiling assemblies,doors, windows, roofs, panels, and other space-dividing ele-ments.1.2 Laboratory AccreditationA procedure for accreditinga laboratory for performing t
7、his test method is given in AnnexA3.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limi
8、tations prior to use.2. Referenced Documents2.1 ASTM Standards:2C 634 Terminology Relating to Environmental AcousticsE 336 Test Method for Measurement of Airborne SoundInsulation in BuildingsE 413 Classification for Rating Sound InsulationE 492 Test Method for Laboratory Measurement of ImpactSound T
9、ransmission Through Floor-Ceiling AssembliesUsing the Tapping MethodE 597 Practice for Determining a Single-Number Rating ofAirborne Sound Isolation for Use in Multiunit BuildingSpecificationsE 966 Guide for Field Measurement of Airborne SoundInsulation of Building Facades and Facade ElementsE 1007
10、Test Method for Field Measurement of TappingMachine Impact Sound Transmission through Floor-Ceiling Assemblies and Associated Support StructuresE 1289 Specification for Reference Specimen for SoundTransmission LossE 1332 Classification for Determination of Outdoor-IndoorTransmission ClassE 1375 Test
11、 Method for Measuring the Interzone Attenua-tion of Furniture Panels Used as Acoustical BarriersE 1408 Test Method for Laboratory Measurement of theSound Transmission Loss of Door Panels and Door Sys-temsE 1414 Test Method for Airborne Sound Attenuation Be-tween Rooms Sharing a Common Ceiling Plenum
12、E 2235 Test Method for Determination of Decay Rates forUse in Sound Insulation Test Methods2.2 ANSI Standards:1This test method is under the jurisdiction ofASTM Committee E33 on Buildingand Environmental Acoustics and is the direct responsibility of SubcommitteeE33.03 on Sound Transmission.Current e
13、dition approved April 1, 2004. Published May 2004. Originallyapproved in 1955. Last previous edition approved 2002 E 90 02.2Annual Book of ASTM Standards, Vol 04.06.For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Boo
14、k of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.S1.4 Specification for Sound-Level Meters3S1.6 Standard Preferred Frequencies, Fre
15、quency Levels,and Band Numbers for Acoustical Measurements3S1.10 Pressure Calibration of Laboratory Standard PressureMicrophones3S1.11 Specification for Octave-Band and Fractional-Octave-Band Analog and Digital Filters3S12.31 Precision Methods for the Determination of SoundPower Levels of Broad-Band
16、 Noise Sources in Reverbera-tion Rooms32.3 ISO Standards:ISO 717 Rating of Sound Insulation for Dwellings3ISO 3741 AcousticsDetermination of Sound PowerLevel of Noise SourcesPrecision Methods for Broad-Band Sources in Reverberation Rooms33. Terminology3.1 The following terms used in this test method
17、 havespecific meanings that are defined in Terminology C 634.acoustical barrierairborne soundaverage sound pressure levelbackground noisedampdecay ratedecibeldiffractiondiffuse sound fielddirect sound fieldflanking transmissionleveloctave bandpink noisereceiving roomreverberant sound fieldreverberat
18、ion roomsabinsound absorptionsound attenuationsound energysound insulationsound isolationsound levelsound powersound pressuresound pressure levelsound transmission levelsound transmission classsound transmission coefficientsound transmission losssource roomunit3.1.1 For the purposes of this test met
19、hod, transmission lossis operationally defined as the difference in decibels betweenthe average sound pressure levels in the reverberant source andreceiving rooms, plus ten times the common logarithm of theratio of the area of the common partition to the soundabsorption in the receiving room (see Eq
20、 11).NOTE 1Sound transmission coefficient and sound transmission lossare related by either of the two equations:TL 5 10 log1/t! (1)t510TL/10(2)3.2 Definitions of Terms Specific to This Standard:3.2.1 sound absorption, A, L2of a room, in a specifiedfrequency band, the hypothetical area of a totally a
21、bsorbingsurface without diffraction effects which, if it were the onlyabsorbing element in the room, would give the same sounddecay rate as the room under consideration.4. Summary of Test Method4.1 Two adjacent reverberation rooms are arranged with anopening between them in which the test partition
22、is installed.Care is taken that the only significant sound transmission pathbetween rooms is by way of the test partition. An approxi-mately diffuse sound field is produced in one room, the sourceroom. Sound incident on the test partition causes it to vibrateand create a sound field in the second ro
23、om, the receivingroom. The space- and time-averaged sound pressure levels inthe two rooms are determined (see Fig. 1). In addition, with thetest specimen in place, the sound absorption in the receivingroom is determined. The sound pressure levels in the tworooms, the sound absorption in the receivin
24、g room and the areaof the specimen are used to calculate transmission loss asshown in Section 12. Because transmission loss is a function offrequency, measurements are made in a series of frequencybands.4.2 Additional procedures that may be followed whentesting doors are given in Test Method E 1408.
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