1、Designation:E3021/E3021M15Standard Guide forEvaluating the Relative Effectiveness of Building Systems toResist the Passage of Products of Combustion Based onthe Aggregation of Leakage Rates1This standard is issued under the fixed designation E3021/E3021M;the number immediately following the designat
2、ion indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide provides a method of evaluati
3、ng the relativeeffectiveness of building systems to resist the passage ofsmoke.1.2 The method of evaluating the relative effectiveness of abuilding system is based on the aggregation of leakage rates ofopenings,penetrations,joints and interfaces of the constructionelements forming the building syste
4、m.1.3 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard.Thevalues stated in each system may not be exact equivalents;therefore,each system shall be used independently of the other.Combining values from the two systems may result in non-conformanc
5、e with the standard.1.4 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 limitations prior to us
6、e.2.Referenced Documents2.1 ASTM Standards:2E176 Terminology of Fire StandardsE283 Test Method for Determining Rate of Air LeakageThrough Exterior Windows,Curtain Walls,and DoorsUnder Specified Pressure Differences Across the Speci-menE1424 Test Method for Determining the Rate ofAir LeakageThrough E
7、xterior Windows,Curtain Walls,and DoorsUnder Specified Pressure and Temperature DifferencesAcross the Specimen2.2 Underwriters Laboratories Standards:3UL 555S Standard for Smoke DampersUL 1479 Fire Tests of Through-Penetration FirestopsUL1784 Standard forAir Leakage Tests of DoorAssembliesUL 2079 Te
8、sts for Fire Resistance of Building Joint Systems3.Terminology3.1 For definitions of terms other than those contained inthis guide,refer to Terminology E176.3.2 Definitions:3.2.1 building system,nfor the purpose of this guide,abuilding system is defined as any assembly of wall,floor,orcombination fl
9、oor and ceiling elements,as applicable,includ-ing any penetrating items,intended to function as a barrier toresist the passage of products of combustion through thebarrier.NOTE1See commentary for examples of building systems.4.Summary of Guide4.1 Using current air leakage rate tests and test results
10、,thisguide provides a method of aggregating the air leakage ratesfor the various components,interfaces and penetrations in abuilding system.4.2 The determination of the total air leakage rates ofbuilding systems provides a direct comparative tool for therelative ranking of such building systems.5.Si
11、gnificance and Use5.1 Use of this guide can be beneficial in determining therelative effectiveness of building systems as it relates topotential protection from passage of products of combustionbetween building spaces under both ambient and elevatedtemperatures.5.2 Determining the relative effective
12、ness of a buildingsystem to limit the total air leakage between building spaces is1This guide is under the jurisdiction ofASTM Committee E05 on Fire Standardsand is the direct responsibility of Subcommittee E05.11 on Fire Resistance.Current edition approved Aug.1,2015.Published November 2015.DOI:10.
13、1520/E3021_E3021M-152For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from Underwriters Laboratories(UL),
14、2600 N.W.Lake Rd.,Camas,WA 98607-8542,http:/.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 important in the evaluation and selection of potential construc-tion components to meet desired performance requirements fora building.5.3 To pro
15、perly assess the relative effectiveness of a build-ing systems total air leakage rate,a guide as to how toaggregate the individual component air leakage rates into atotal air leakage rate for the building system is needed.5.4 It is the intent of this guide to provide a methodology forthe conversion
16、of individual component air leakage rates intocommon values that can be aggregated into a total air leakagerate for a building system,thus providing a means for estab-lishing the relative effectiveness of various building systems toresist the passage of products of combustion.6.Procedure6.1 The effectiveness of building systems to resist thepassage of products of combustion is dependent upon theability of such building systems to limit the total amount of airleakage.6.2 Building systems may cons