BS EN 15682-1-2013 Glass in building Heat soaked thermally toughened alkaline earth silicate safety glass Definition and description《建筑玻璃 热浸热钢化碱土硅酸盐安全玻璃 定义和描述》.pdf

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1、BSI Standards PublicationBS EN 15682-1:2013Glass in building Heatsoaked thermally toughenedalkaline earth silicate safetyglassPart 1: Definition and descriptionBS EN 15682-1:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 15682-1:2013.The UK participation i

2、n its preparation was entrusted to TechnicalCommittee B/520/1, Basic and transformed glass products.A list of organizations 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 respo

3、nsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 80209 6ICS 81.040.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards

4、Policy and Strategy Committee on 30 September 2013.Amendments issued since publicationDate Text affectedBS EN 15682-1:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15682-1 July 2013 ICS 81.040.20 English Version Glass in building - Heat soaked thermally toughened alkaline earth silicate s

5、afety glass - Part 1: Definition and description Verre dans la construction - Verre de silicate alcalinoterreuxde scurit tremp et trait Heat Soak - Partie 1 : Dfinition et description Glas im Bauwesen - Heigelagertes thermisch vorgespanntes Erdalkali-Silicat-Einscheibensicherheitsglas - Teil 1: Defi

6、nition und Beschreibung This European Standard was approved by CEN on 30 May 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

7、 bibliographical references concerning such national standards 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 r

8、esponsibility of a CEN member into its own language and notified 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

9、 Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, 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

10、NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: 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 15682-1:2013: EBS EN 15682-1:2013EN 15682-1:2013 (E) 2 Contents Page Foreword 4

11、Introduction .5 1 Scope 6 2 Normative references 6 3 Terms and definitions .6 4 Glass products .7 5 Manufacturing processes .7 5.1 General 7 5.2 Toughening process .7 5.3 Heat soak process cycle .7 5.3.1 General 7 5.3.2 Heating phase 8 5.3.3 Holding phase 8 5.3.4 Cooling phase 8 6 Heat soak process

12、system 9 6.1 General 9 6.2 Oven 9 6.3 Glass support .9 6.4 Glass separation 9 6.5 Calibration . 11 7 Fracture characteristics . 11 8 Dimensions and tolerances . 11 8.1 Nominal thickness and thickness tolerances 11 8.2 Width and length (sizes) 11 8.2.1 General . 11 8.2.2 Maximum and minimum sizes . 1

13、2 8.2.3 Tolerances and squareness 12 8.2.4 Edge deformation produced by vertical toughening 13 8.3 Flatness . 13 8.3.1 General . 13 8.3.2 Measurement of overall bow . 14 8.3.3 Measurement of local bow . 15 8.3.4 Limitation on overall and local bow 15 9 Edge work, holes, notches and cut-outs 16 9.1 W

14、arning 16 9.2 Edge working of glass for toughening . 16 9.3 Profiled edges . 16 9.4 Round holes 17 9.4.1 General . 17 9.4.2 Diameter of holes 17 9.4.3 Limitations on position of holes . 17 9.4.4 Tolerances on hole diameters . 18 9.4.5 Tolerances on position of holes 19 9.5 Notches and cut-outs . 19

15、9.6 Shaped panes 20 BS EN 15682-1:2013EN 15682-1:2013 (E) 3 10 Fragmentation test 20 10.1 General . 20 10.2 Dimensions and number of test specimens . 20 10.3 Test procedure . 20 10.4 Assessment of fragmentation 21 10.5 Minimum values from the particle count 22 10.6 Selection of the longest particle

16、23 10.7 Maximum length of longest particle 23 11 Other physical characteristics . 23 11.1 Optical distortion . 23 11.1.1 Heat soaked thermally toughened alkaline earth silicate safety glass produced by vertical toughening . 23 11.1.2 Heat soaked thermally toughened alkaline earth silicate safety gla

17、ss produced by horizontal toughening . 23 11.2 Anisotropy (iridescence) 23 11.3 Thermal durability . 23 11.4 Mechanical strength 23 11.5 Classification of performance under accidental human impact. 24 12 Marking . 24 Annex A (normative) Heat soak process system calibration test 25 A.1 Calibration cr

18、iteria . 25 A.2 Loading of oven and position for glass surface temperature measurement 25 A.3 Procedure . 26 A.4 Records 27 A.5 Interpretation of the calibration test 27 Annex B (informative) Curved heat soaked thermally toughened alkaline earth silicate safety glass 36 Annex C (informative) Example

19、s of particle count 37 Bibliography 40 BS EN 15682-1:2013EN 15682-1:2013 (E) 4 Foreword This document (EN 15682-1:2013) has been prepared by Technical Committee CEN/TC 129 “Glass in Building”, the secretariat of which is held by IBN. This European Standard shall be given the status of a national sta

20、ndard, either by publication of an identical text or by endorsement, at the latest by January 2014, and conflicting national standards shall be withdrawn at the latest by January 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent right

21、s. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. EN 15682 is composed of the following parts: EN 15682-1, Glass in buildi

22、ng Heat soaked thermally toughened alkaline earth silicate safety glass Part 1: Definition and description EN 15682-2, Glass in building Heat soaked thermally toughened alkaline earth silicate safety glass Part 2: Evaluation of conformity/Product standard According to the CEN-CENELEC Internal Regula

23、tions, the national 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, Ita

24、ly, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 15682-1:2013EN 15682-1:2013 (E) 5 Introduction Heat soaked thermally toughened alkaline earth silicate safety glass has a saf

25、er breakage behaviour when compared with annealed glass. It also has a known level of residual risk of spontaneous breakage arising from the possible presence of critical nickel sulphide (NiS) inclusions in the thermally toughened alkaline earth silicate glass. NOTE 1 In this case it is about a stat

26、istical mean out of a big quantity of glass. It is impossible to determine separated subjects from it for a building where definitely no “break” produced by NiS occurs. The breaking of glass caused by other influences is not included herewith. When used to offer protection under accidental human imp

27、act, heat soaked thermally toughened alkaline earth silicate safety glass also should be classified according to EN 12600. NOTE 2 CEN/TC 129/WG 8 is producing standards for the determination of the design strength of glass and is preparing a design method. BS EN 15682-1:2013EN 15682-1:2013 (E) 6 1 S

28、cope This European Standard specifies the heat soak process system together with tolerances flatness, edgework, fragmentation and physical and mechanical characteristics of monolithic flat heat soaked thermally toughened alkaline earth silicate safety glass for use in buildings. Information on curve

29、d heat soak thermally toughened alkaline earth silicate safety glass is given in Annex B, but this product does not form part of this document. Other requirements, not specified in this document, can apply to heat soaked thermally toughened alkaline earth silicate safety glass which is incorporated

30、into assemblies, e.g. laminated glass or insulating units, or undergo an additional treatment, e.g. coating. The additional requirements are specified in the appropriate product standard EN 15682-2. In this case, heat soaked thermally toughened alkaline earth silicate glass does not lose its mechani

31、cal or thermal characteristics. 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 references, only the edition cited applies. For undated references, the latest edition of the referenc

32、ed document (including any amendments) applies. EN 14178-1, Glass in building - Basic alkaline earth silicate glass products - Part 1: Float glass 3 Terms and definitions For the purposes of this document, the following terms and definitions apply: 3.1 heat soaked thermally toughened alkaline earth

33、silicate safety glass glass within which a permanent surface compressive stress has been induced in order to give it greatly increased resistance to mechanical and thermal stress and prescribed fragmentation characteristics and which has a known level of residual risk of spontaneous breakage due to

34、the presence of critical nickel sulphide (NiS) inclusions Note 1 to entry: The mechanical properties, i.e. thermal durability and mechanical strength, and safety properties, i.e. fragmentation characteristics, are generated by the level of surface compression. These properties do not depend on the s

35、ize of the pane. 3.2 residual risk statistical risk of spontaneous breakage of heat soaked thermally toughened alkaline earth silicate safety glass due to the presence of critical nickel sulphide inclusions 3.3 flat heat soaked thermally toughened alkaline earth silicate safety glass heat soaked the

36、rmally toughened alkaline earth silicate safety glass that has not been given a previously determined profile during manufacture 3.4 heat soaked enamelled thermally toughened alkaline earth silicate safety glass heat soaked thermally toughened alkaline earth silicate safety glass which has a ceramic

37、 frit fired into the surface during the toughening process becoming an integral part of the glass after toughening 3.5 horizontal toughening process in which the glass is supported on horizontal rollers BS EN 15682-1:2013EN 15682-1:2013 (E) 7 3.6 vertical toughening process in which the glass is sus

38、pended by tongs 3.7 heat soak process process which consists of a heating phase, a holding phase and a cooling phase, which in average should result in no more than one NiS related breakage per 400 tonnes of heat soaked thermally toughened alkaline earth silicate safety glass 4 Glass products Heat s

39、oaked thermally toughened alkaline earth silicate safety glass is made from a monolithic alkaline earth silicate glass product generally corresponding to one of the following standards: coated glass according to EN 1096-1; basic alkaline earth silicate glass according to EN 14178-1. 5 Manufacturing

40、processes 5.1 General Heat soaked thermally toughened alkaline earth silicate safety glass is manufactured as follows: Basic alkaline earth silicate glass products (see Clause 4) are cut to size, shaped and edge worked (see Clause 9). The prepared glass panes are then thermally toughened (see 5.2).

41、The thermally toughened panes are then subjected to the heat soak process cycle. After manufacture the heat soaked thermally toughened alkaline earth silicate glass shall comply with the fragmentation test (see Clause 10) and mechanical strength requirement (see 11.4). 5.2 Toughening process The cut

42、, shaped and edge worked glasses are toughened. The horizontal or vertical toughened glass shall comply with the flatness criteria (see 8.3). The thermally toughened alkaline earth silicate glass shall have a level of fragmentation that will ensure that after the glass has been through the heat soak

43、 process, and subsequently tested to the fragmentation test (see Clause 10), it shall comply with 10.5. 5.3 Heat soak process cycle 5.3.1 General The heat soak process cycle consists of a heating phase, a holding phase and a cooling phase (see Figure 1). BS EN 15682-1:2013EN 15682-1:2013 (E) 8 Key T

44、 glass temperature at any point, C d ambient temperature t time, h a heating phase 1 first glass to reach 280 C b holding phase 2 last glass to reach 280 C c cooling phase Figure 1 Heat soak process cycle 5.3.2 Heating phase The heating phase commences with all the glasses at ambient temperature and

45、 concludes when the surface temperature of the last glass reaches 280 C. The time to reach this temperature is defined in the calibration process. This time will be dependent on the size of the oven, the amount of glass to be treated, the separation between glasses and the heating system capacity. T

46、he glass separation and rate of heating should be controlled to minimise the risk of glass breakage as a result of thermal stress. To facilitate economic heating, the air temperature within the oven may exceed 320 C. However, the glass surface temperature shall not be allowed to exceed 320 C. The pe

47、riod of glass surface temperature in excess of 300 C shall be minimised. When the temperature of the glass exceeds 300 C, care should be taken to ensure that the properties of the heat soaked thermally toughened alkaline earth silicate safety glass are not significantly altered, i.e. they continue t

48、o meet Clause 10. 5.3.3 Holding phase The holding phase commences when the surface temperature of all the glasses has reached a temperature of 280 C. The duration of the holding phase is minimum 2 h. Precise oven control is necessary in order to ensure that the glass surface temperature shall be mai

49、ntained in the range of 290 C 10 C during the holding phase. 5.3.4 Cooling phase The cooling phase commences when the last glass to reach 280 C has completed its holding phase, i.e. been held for two hours at 290 C 10 C. During this phase the glass temperature shall be brought down to ambient temperature. BS EN 15682-1:2013EN 15682-1:2013 (E) 9 The cooling phase can be concluded when the air temperature in the oven reaches 70 C. The rate of cooling should be controlled to minimise the risk of glass breakage as a result of thermal stress.

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