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1、BS EN 15254-4:2008 ICS 13.220.50 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Extended application of results from fire resistance tests Non- loadbearing walls Part 4: Glazed constructions Licensed CopyChinese University of Hong Kong, 21/10/2008 03:32, Unco
2、ntrolled Copy, (c) BSI This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 2008 BSI 2008 ISBN 978 0 580 55405 6 Amendments/corrigenda issued since publication DateComments BS EN 15254-4:2008 National foreword This British Standard is th
3、e UK implementation of EN 15254-4:2008. The UK participation in its preparation was entrusted to Technical Committee FSH/22, Fire resistance tests. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the
4、necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Licensed CopyChinese University of Hong Kong, 21/10/2008 03:32, Uncontrolled Copy, (c) BSI BS EN 15254-4:2008 EUROPEAN STANDARD NOR
5、ME EUROPENNE EUROPISCHE NORM EN 15254-4 February 2008 ICS 13.220.50 English Version Extended application of results from fire resistance tests - Non- loadbearing walls - Part 4: Glazed constructions Extension du champ dapplication des rsultats des essais de rsistance au feu - lments non-porteurs - P
6、artie 4 : Constructions vitres Erweiterter Anwendungsbereich der Ergebnisse von Feuerwiderstandsprfungen - Nichttragende Wnde - Teil 4: Verglaste Konstruktionen This European Standard was approved by CEN on 15 December 2007. CEN members are bound to comply with the CEN/CENELEC Internal Regulations w
7、hich stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member. This European
8、 Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the nation
9、al standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and Un
10、ited Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15254-4:2
11、008: E Licensed CopyChinese University of Hong Kong, 21/10/2008 03:32, Uncontrolled Copy, (c) BSI BS EN 15254-4:2008 EN 15254-4:2008 (E) 2 Contents Page Foreword. 3 1 Scope 4 2 Normative references . 4 3 Terms and definitions. 4 4 Principles. 6 4.1 General principles. 6 4.2 Use of test evidence . 6
12、4.2.1 General. 6 4.2.2 Use of previously existing test data 6 4.2.3 Notes for Methodology in Figure 1 8 5 General rules . 8 5.1 Fire performance classification. 8 5.2 Combination of extended application. 8 5.3 Reference Test 9 6 Specific changes to the glazing system. 9 6.1 Exchange of the fire resi
13、stant glass . 9 6.2 Asymmetrical fire resistant glass 10 6.3 Individual rectangular glass panes: aspect ratio and increase in area. 10 6.4 Individual circular, three and four side non-rectangular glass panes: Increase in area. 11 6.5 Individual panes in a wall: radiation . 12 6.6 Exchange of timber
14、glazing beads 13 6.7 Exchange of metal glazing beads . 13 6.8 Exchange of glazing materials 13 6.9 Bead surface coverings 14 7 Specific changes to the framing system 14 7.1 Asymmetrical framing systems. 14 7.2 Exchange of frames 14 7.2.1 General. 14 7.2.2 Timber Frames 15 7.2.3 Metal Frames . 16 7.3
15、 Frame surface coverings . 16 7.4 Supporting Construction and fixing of the frames 17 8 Changes to the fire resistant glazed element 17 8.1 Increase in overall dimensions and area 17 8.2 Increase in dimensions for fire resistant glazed elements: radiation. 18 8.3 Replication of the fire resistant gl
16、azed element with reference to radiation 19 8.4 Changing in installation angle. 19 Annex A (informative) Examples for using this standard in regard to requested extended applications based on reference and previously existing test data 20 A.1 Examples for Integrity only glass (E Classification) base
17、d on Table A.1. 20 A.2 Examples for Integrity and Radiation glass (EW Classification) based on Table A2 23 A.3 Examples for Integrity and Insulation glass (EI Classification) based on Table A3 25 Annex B (normative) Radiation calculations. 27 B.1 Radiation calculations 27 B.1.1 General. 27 B.1.2 Rec
18、tangular fire resistant glass panes or elements 27 B.1.3 Circular fire resistant glass panes or elements. 28 B.1.4 Other shapes of Fire resistant glass panes or elements 29 Bibliography . 35 Licensed CopyChinese University of Hong Kong, 21/10/2008 03:32, Uncontrolled Copy, (c) BSI BS EN 15254-4:2008
19、 EN 15254-4:2008 (E) 3 Foreword This document (EN 15254-4:2008) has been prepared by Technical Committee CEN/TC 127 “Fire safety in buildings”, the secretariat of which is held by BSI. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade
20、 Association, and supports essential requirements of EU Directive 89/106. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2008, and conflicting national standards shall be withdrawn at the
21、latest by August 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national
22、 standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Pola
23、nd, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Licensed CopyChinese University of Hong Kong, 21/10/2008 03:32, Uncontrolled Copy, (c) BSI BS EN 15254-4:2008 EN 15254-4:2008 (E) 4 1 Scope This European standard provides guidance and, where appropriate, d
24、efines procedures for variations of certain parameters and factors associated with the design of fire resistant glazed elements which have been tested in accordance with EN 1364-1, and classified according to EN 13501-2. Extended application of fire resistant glazed elements shall be based on test e
25、vidence. This standard only applies to vertically installed fire resistant glazed elements. This standard does not apply to doorsets and openable windows according to EN 1634-1. Glass block assemblies and paver units and channel-shaped glass as defined in EN 1051-1 and EN 572-7 are excluded. There i
26、s currently insufficient information available to enable rules for extended application to be developed for these products. NOTE Some partition walls use a combination of fire resistant glass, non-translucent and other opaque products. The extended application in this case only covers the glass when
27、 it replaces these products see clause 8.2. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references only the edition cited applies. For undated references, the latest edition of the referenced document (including any amen
28、dments) applies. EN 357:2004, Glass in building Fire resistant glazed elements with transparent or translucent glass products Classification of fire resistance EN 1363-1:1999, Fire resistance tests Part 1: General requirements EN 1363-2, Fire resistance tests Part 2: Alternative and additional proce
29、dures EN 1364-1, Fire resistance tests for non-loadbearing elements Part 1: Walls EN 1995-1-2, Eurocode 5: Design of timber structures - Part 1-2: General - Structural fire design EN 13501-2, Fire classification of construction products and building elements Part 2: Classification using data from fi
30、re resistance tests, excluding ventilation services 3 Terms and definitions For the purposes of this document the terms and definitions given in EN 357:2004 and EN 13501-2, together with the following apply. 3.1 fire resistant glass glass product group, monolithic, multiple layers or insulating glas
31、s unit, when used in a fire resistant glazed element, can be classified in accordance with EN 13501-2 NOTE 1 The glass can be classified for the purposes of CE marking according to the glass product group determined by the glass manufacturer and tested as a virtual assembly. Classification of fire r
32、esistant glass is a mandated requirement within the European Community. NOTE 2 The term “insulating” when used as an insulating glass unit according to EN 12791, should not be confused with the term “insulation” used in EN 13501-2 classification standard for fire resistant glazed element. Licensed C
33、opyChinese University of Hong Kong, 21/10/2008 03:32, Uncontrolled Copy, (c) BSI BS EN 15254-4:2008 EN 15254-4:2008 (E) 5 3.2 glazing system fire resistant glass and glazing materials used in the fire resistance test to glaze the glass into its framing system, e.g. glazing strips, beads and bead fix
34、ings, setting blocks, gaskets, sealant (see Figure B.1) 3.3 glazing materials all materials used to glaze the fire resistant glass into its frame, e.g. glazing strips, beads and bead fixings, setting blocks, gaskets and sealant (see Figure B.1) 3.4 framing system frame profile and fixings to the sup
35、porting structure (e.g. wall) (see Figure B.1) 3.5 reference test fire resistance test in accordance with EN 1364-1, on which the extended application is based and the results, which are used as the main source of data for the extended application NOTE 1 This test may also be used as the initial typ
36、e test to support CE marking of fire resistant glass or as a market application test. NOTE 2 The reference test provides the main source of data to determine the following: fire performance classification (integrity E, integrity with radiation EW or integrity with insulation EI); maximum pane area a
37、nd dimensions for the fire resistant glass; maximum dimensions of the fire resistant glazed element for each type of frame material. The reference test may also provide other data to assist in determining the following: permitted dimensional changes to the framing system; changes to the glazing syst
38、em. 3.6 overrun time time of fire resistance in minutes beyond the classification time achieved in the reference test, which is the subject of the extended application. The overrun time in the reference test only applies to dimensional changes to the glass and the glazed element. It does not apply t
39、o changes to the glazing beads, materials and glazing strips 3.7 previously existing test data test data generated by fire resistance tests that have been undertaken by an accredited and/or Notified Test Laboratory in accordance with European and/or former and current national standards based on the
40、 temperature-time curve identical to the one specified in EN 1363-1 (and defined in ISO 834). Previously existing test data is acceptable even though the test may not have been carried out using the plate thermometer. This data can only be used as described in this standard NOTE Previously existing
41、test data is acceptable provided that there has been no change to the product since this data was generated. 3.8 glass product group different fire resistant glasses combined in a group, defined and produced by the same manufacturer and described in their product description together with a complete
42、 list of all components used in the assembly NOTE The manufacturers product description should contain all relevant properties required for CE marking. Licensed CopyChinese University of Hong Kong, 21/10/2008 03:32, Uncontrolled Copy, (c) BSI BS EN 15254-4:2008 EN 15254-4:2008 (E) 6 3.9 char rate as
43、 defined in EN 1995-1-2 3.10 characterisation process in which the limits of the glazing and framing system are separately defined. It shall be based on the reference test and supported by previously existing test data where appropriate 3.11 fire performance classification classification of the fire
44、 resistant glazed element in accordance with EN 13501-2 with respect to integrity E, radiation W and insulation I NOTE In previously existing test data the fire resistance is given by time to failure (not by fire performance classification above) in terms of integrity, integrity and insulation. The
45、test data may also contain information concerning the measurement of radiation. 4 Principles 4.1 General principles Extended application is a prediction of the expected fire resistance of fire resistant glazed elements. It may be based on interpolation between or extrapolation from test data. The fu
46、ndamental consideration shall be that the fire resistant glazed element after extension would achieve the required fire performance if it were to be tested according to EN 1364-1. The specific principles and methodology governing the extended application for fire resistant glazed elements are given
47、in Figure 1. Fire resistant glazed elements function as an integral system in which the individual components (glass panes, glazing materials, frames and frame fixings) are combined in such a way that they are effective in meeting the defined fire resistance criteria. However, in this document fire
48、resistant glazed elements are separately characterised as the glazing system and the framing system (see Figure B.1). 4.2 Use of test evidence 4.2.1 General The applicant for the extended application shall either be the “owner” (i.e. sponsor) of all reference test and previously existing test data b
49、eing submitted for the extension, or have written permission from the owner to use the submitted test evidence. 4.2.2 Use of previously existing test data Previously existing test data may be used to support extended application, for instance to evaluate the influence of a particular component (e.g. glazing material) or aspect of the design (e.g. direction of fire exposure) or to establish which design variations affect the performance in the most or least onerous way. If this can be identified, then a reference test on the most onerous
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