1、Designation:E230715bAn American National StandardStandard Test Method forDetermining Fire Resistance of Perimeter Fire BarriersUsing Intermediate-Scale,Multi-story Test Apparatus1This standard is issued under the fixed designation E2307;the number immediately following the designation indicates the
2、year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.INTRODUCTIONA perimeter fire barrier is the perimeter joint protection
3、 that provides fire resistance to preventpassage of fire from floor to floor within the building at the opening between the exterior wallassembly and the floor assembly.A perimeter fire barrier is a unique building construction detail notaddressed by other fire test methods.Among its other functions
4、,a perimeter fire barrier impedes the vertical spread of fire from the floorof origin to the floor(s)above,at the buildings exterior perimeter and accommodates variousmovements such as those induced by thermal differentials,seismicity,and wind loads.This test method describes criteria and test metho
5、ds used to determine the fire resistance ofperimeter fire barriers when subjected to standard fire exposure conditions using the intermediate-scale,multistory test apparatus(ISMA).The use of the multi-story test apparatus and this test methodare intended to simulate a possible fire exposure on a per
6、imeter fire barrier.1.Scope1.1 This test method measures the performance of theperimeter fire barrier and its ability to maintain a seal toprevent fire spread during the deflection and deformation of theexterior wall assembly and floor assembly during the fire test,while resisting fire exposure from
7、 an interior compartment fireas well as from the flame plume emitted from the windowburner below.The end point of the fire-resistance test is theperiod of time elapsing before the first condition of complianceis reached as the perimeter fire barrier is subjected to atime-temperature fire exposure.1.
8、2 The fire exposure conditions used are those specified bythis test method for the first 30 min of exposure and thenconform to the Test Methods E119 time-temperature curve forthe remainder of the test in the test room.1.3 This test method specifies the heating conditions,meth-ods of test,and criteri
9、a for evaluation of the ability of aperimeter fire barrier to maintain the fire resistance where afloor and exterior wall assembly are juxtaposed to a perimeterjoint.1.4 Test results establish the performance of perimeter firebarriers during the fire-exposure period and shall not beconstrued as havi
10、ng determined the suitability of perimeter firebarriers for use after that exposure.1.5 This test method does not provide quantitative informa-tion about the perimeter fire barrier relative to the rate ofleakage of smoke or gases or both.While it requires that suchphenomena be noted and reported whe
11、n describing the generalbehavior of perimeter fire barrier during the fire-resistance test,such phenomena are not part of the conditions of compliance.1.6 Potentially important factors and fire characteristics notaddressed by this test method include,but are not limited to:1.6.1 The performance of t
12、he perimeter fire barrier con-structed with components other than those tested,and1.6.2 The cyclic movement capabilities of perimeter firebarriers other than the cycling conditions tested.1.7 This test method is used to measure and describe theresponse of materials,products or assemblies to heat and
13、 flameunder controlled conditions but does not by itself incorporateall factors required for the fire-hazard or fire-risk assessment ofthe materials,products,or assemblies under actual fire condi-tions.1.8 The values stated in inch-pound units are to be regardedas standard.The values given in parent
14、heses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1This test method is under the jurisdiction of ASTM Committee E05 on FireStandards and is the direct responsibility of Subcommittee E05.11 on FireResistance.Current edition approved Oc
15、t.1,2015.Published November 2015.Originallyapproved in 2004.Last previous edition approved in 2015 as E2307-15a.DOI:10.1520/E2307-15B.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 1.9 The text of this test method references notes andfoo
16、tnotes which provide explanatory material.These notes andfootnotes(excluding those in tables and figures)shall not beconsidered as requirements of the standard.1.10 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 use.2.Referenced Documents2.1 ASTM Standards:2E84 Test Method
