BS EN 13381-8-2013 Test methods for determining the contribution to the fire resistance of structural members Applied reactive protection to steel members《测定结构构件耐火作用的试验方法 钢构件应用的保护方.pdf

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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 13381-8:2013Test methods for determiningthe contribution to thefire resistance of structuralmembersPart 8: Applied reactive protection to steelmembersBS EN 13381-8:2013 BRI

2、TISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13381-8:2013.It supersedes BS EN 13381-8:2010 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee FSH/22/-/12, Fire resistance tests For Protection Systems.A list of organiza

3、tions represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN

4、978 0 580 77459 1ICS 13.220.50Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2013.Amendments issued since publicationDate Text affectedBS EN 13381-8:2013EU

5、ROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13381-8 May 2013 ICS 13.220.50 Supersedes EN 13381-8:2010English Version Test methods for determining the contribution to the fire resistance of structural members - Part 8: Applied reactive protection to steel members Mthodes dessai pour dterminer

6、la contribution la rsistance au feu des lments de construction - Partie 8 : Protection ractive applique aux lments en acier Prfverfahren zur Bestimmung des Beitrages zum Feuerwiderstand von tragenden Bauteilen - Teil 8: Reaktive Ummantelung von Stahlbauteilen This European Standard was approved by C

7、EN on 10 February 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which 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 standa

8、rds may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European 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 not

9、ified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, I

10、celand, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Cen

11、tre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13381-8:2013: EBS EN 13381-8:2013EN 13381-8:2013 (E) 2 Contents Page Foreword . 4 1 Scope 6 2 Normative references. 6 3 Terms and definitio

12、ns, symbols and units 7 3.1 Terms and definitions 7 3.2 Symbols and units . 9 4 Test equipment 11 4.1 General . 11 4.2 Furnace. 11 4.3 Loading equipment 11 5 Test conditions 11 5.1 General . 11 5.2 Support and loading conditions 11 5.3 Loading. 12 6 Test specimens 12 6.1 General . 12 6.2 Size of tes

13、t specimens . 13 6.3 Construction of steel test specimens . 14 6.4 Composition of steel sections . 15 6.5 Properties of fire protection materials 15 6.6 Selection of test specimens 16 7 Installation of the test specimens . 21 7.1 Loaded beam 21 7.2 Unloaded beams 22 7.3 Loaded columns 22 7.4 Unloade

14、d columns . 22 7.5 Test specimen installation patterns 22 7.6 Furnace load 23 8 Conditioning of the test specimens 23 9 Application of instrumentation 23 9.1 General . 23 9.2 Instrumentation for measurement and control of furnace temperature 23 9.3 Instrumentation for measurement of steel temperatur

15、es . 24 9.4 Instrumentation for the measurement of pressure . 25 9.5 Instrumentation for the measurement of deformation . 25 9.6 Instrumentation for the measurement of load 25 10 Test procedure . 26 10.1 General . 26 10.2 Furnace temperature and pressure . 26 10.3 Application and control of load . 2

16、6 10.4 Temperature of steelwork 26 10.5 Deflection . 27 10.6 Observations 27 10.7 Termination of test . 27 11 Test results. 27 11.1 Acceptability of test results . 27 BS EN 13381-8:2013EN 13381-8:2013 (E) 3 11.2 Presentation of test results . 28 12 Test report 29 13 Assessment 29 13.1 General . 29 1

17、3.2 Temperature data . 30 13.3 Correction for discrepancy in stickability and insulation performance over the thickness range tested 30 13.4 Assessment procedures for thermal performance . 30 13.5 Acceptability of the assessment method used and the resulting analysis criteria for acceptability . 30

18、14 Report of the assessment 31 15 Limits of the applicability of the results of the assessment 32 Annex A (normative) Test method to the smouldering fire (slow heating curve) 49 A.1 Introduction 49 A.2 Test equipment 49 A.3 Test specimens 49 A.4 Termination of test . 50 A.5 Evaluation of the results

19、 50 Annex B (normative) Measurement of properties of fire protection materials . 51 B.1 Introduction 51 B.2 Thickness of fire protection materials 51 B.3 Identification 52 Annex C (normative) Fixing of thermocouples to steel work and routing of cables . 53 C.1 Introduction 53 C.2 Types of thermocoup

20、les 53 C.3 Fixing of thermocouples 53 C.4 Routing of thermocouple wires . 53 C.5 Connection of thermocouples . 54 C.6 Thermocouple failures . 54 Annex D (normative) Correction of data/Nominal thickness 55 D.1 Correction of data 55 D.2 Nominal thickness - Graphical method . 58 Annex E (normative) Met

21、hods of assessment of fire protection system performance . 59 E.1 General . 59 E.2 Graphical Approach . 59 E.3 Differential formula analysis (variable approach) methodology . 65 E.4 Differential formula analysis (constant approach) methodology 70 E.5 Numerical regression analysis 71 Annex F (normati

22、ve) Tables of section sizes . 74 Bibliography . 76 BS EN 13381-8:2013EN 13381-8:2013 (E) 4 Foreword This document (EN 13381-8:2013) has been prepared by Technical Committee CEN/TC 127 “Fire safety in buildings”, the secretariat of which is held by BSI. This European Standard shall be given the statu

23、s of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2013, and conflicting national standards shall be withdrawn at the latest by November 2013. Attention is drawn to the possibility that some of the elements of this document may be the su

24、bject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 13381-8:2010. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. With resp

25、ect to the previous version, the following changes have been made: A change has been made to the test method to introduce of a means allowing loaded beams to reach a deflection of L/30. In addition the graphical assessment method now includes a point to point method of constructing lines and a new v

26、irtual data point related to furnace temperature. This document is compatible with EN 13381-4 and specifically deals with the testing and assessment of reactive coatings designed to protect structural steel. This document is part of the EN 13381 series with the general title Test methods for determi

27、ning the contribution to the fire resistance of structural members. Other parts of this series are: Part 1: Horizontal protective membranes; Part 2: Vertical protective membranes; Part 3: Applied protection to concrete members; Part 4: Applied passive protection to steel members; Part 5: Applied pro

28、tection to concrete/profiled sheet steel composite members; Part 6: Applied protection to concrete filled hollow steel columns; Part 7: Applied protection to timber members; Part 8: Applied reactive protection to steel members (the present document). Caution The attention of all persons concerned wi

29、th managing and carrying out this fire resistance test, is drawn to the fact that fire testing can be hazardous and that there is a possibility that toxic and/or harmful smoke and gases can be evolved during the test. Mechanical and BS EN 13381-8:2013EN 13381-8:2013 (E) 5 operational hazards can als

30、o arise during the construction of test elements or structures, their testing and the disposal of test residues. An assessment of all potential hazards and risks to health should be made and safety precautions should be identified and provided. Written safety instructions should be issued. Appropria

31、te training should be given to relevant personnel. Laboratory personnel should ensure that they follow written safety instructions at all times. The specific health and safety instructions contained within this standard should be followed. According to the CEN-CENELEC Internal Regulations, the natio

32、nal standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lith

33、uania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 13381-8:2013EN 13381-8:2013 (E) 6 1 Scope This European Standard specifies a test method for determining the contribution made by applied rea

34、ctive fire protection systems to the fire resistance of structural steel members, which can be used as beams or columns. It considers only sections without openings in the web. It is not directly applicable to structural tension members without further evaluation. Results from analysis of I or H -se

35、ctions are directly applicable to angles, channels and T-sections for the same section factor, whether used as individual elements or as bracing. This standard does not apply to solid bar or rod. It covers fire protection systems that involve only reactive materials and not to passive fire protectio

36、n materials as defined in this document. The evaluation is designed to cover a range of thicknesses of the applied fire protection material, a range of steel sections, characterised by their section factors, a range of design temperatures and a range of valid fire protection classification periods.

37、This European Standard contains the fire test procedures, which specifies the tests which should be carried out to determine the ability of the fire protection system to remain coherent and attached to the steelwork, and to provide data on the thermal characteristics of the fire protection system, w

38、hen exposed to the standard temperature/time curve specified in EN 1363-1. In special circumstances, where specified in National Building Regulations, there can be a need to subject reactive protection material to a smouldering curve; the test for this and the special circumstances for its use are d

39、escribed in Annex A. The fire test methodology makes provision for the collection and presentation of data, which can be used as direct input to the calculation of fire resistance of steel structural members in accordance with the procedures given in EN 1993-1-2 and EN 1994-1-2. This European Standa

40、rd also contains the assessment, which prescribes how the analysis of the test data shall be made and gives guidance on the procedures by which interpolation should be undertaken. The assessment procedure is used to establish: a) on the basis of temperature data derived from testing loaded and unloa

41、ded sections, a correction factor and any practical constraints on the use of the fire protection system under fire test conditions, (the physical performance); b) on the basis of the temperature data derived from testing short steel sections, the thermal properties of the fire protection system, (t

42、he thermal performance). The limits of applicability of the results of the assessment arising from the fire test are defined, together with permitted direct application of the results, to different steel sections and grades and to the fire protection system. The results of the test and assessment ob

43、tained according to this standard are directly applicable to steel sections of I and H cross sectional shape and hollow sections. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated refe

44、rences, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1363-1, Fire resistance tests Part 1: General requirements BS EN 13381-8:2013EN 13381-8:2013 (E) 7 EN 1363-2, Fire resistance tests Part 2: Alternative

45、 and additional procedures EN 1365-3, Fire resistance tests for loadbearing elements Part 3: Beams EN 1365-4, Fire resistance tests for loadbearing elements Part 4: Columns EN 1993-1-1, Eurocode 3: Design of steel structures Part 1-1: General rules and rules for buildings EN 1993-1-2, Eurocode 3: De

46、sign of steel structures Part 1-2: General rules Structural fire design EN 10025-1, Hot rolled products of structural steels Part 1: General technical delivery conditions EN 13501-1, Fire classification of construction products and building elements Part 1: Classification using data from reaction to

47、 fire tests EN ISO 13943, Fire safety Vocabulary (ISO 13943) ETAG 018-Part 2, Guideline for European Technical Approval of Fire Protective Products Part 2: Reactive Coatings for Fire Protection of Steel Elements ISO 8421-2, Fire protection Vocabulary Part 2: Structural fire protection 3 Terms and de

48、finitions, symbols and units 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1363-1, EN ISO 13943 and ISO 8421-2 and the following apply: 3.1.1 steel member element of building construction which is loadbearing and fabricated from steel Note 1 to en

49、try: For the purpose of this document, the steel used in the testing should be of the same type. 3.1.2 reactive fire protection material reactive materials which are specifically formulated to provide a chemical reaction upon heating such that their physical form changes and in so doing provide fire protection by thermal insulative and cooling effects 3.1.3 passive fire protection material materials which do not change their physical form on heating, providing protection by virtue of their physical or thermal properti

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