1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 12758:2011Glass in building Glazingand airborne sound insulation Product descriptions anddetermination of propertiesBS EN 12758:2011 BRITISH STANDARDNational forewordThis B
2、ritish Standard is the UK implementation of EN 12758:2011. Itsupersedes BS EN 12758:2002 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/520/4, Properties and glazing methods.A list of organizations represented on this committee can beobtained on requ
3、est to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 71030 8ICS 81.040.20; 91.120.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This Br
4、itish Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2011.Amendments issued since publicationDate Text affectedBS EN 12758:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12758 January 2011 ICS 81.040.20; 91.120.20 Supersedes EN 12758:2002
5、English Version Glass in building - Glazing and airborne sound insulation - Product descriptions and determination of properties Verre dans la construction - Vitrages et isolement acoustique - Descriptions de produits et dtermination des proprits Glas im Bauwesen - Glas und Luftschalldmmung - Produk
6、tbeschreibungen und Bestimmung der Eigenschaften This European Standard was approved by CEN on 11 December 2010. 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 al
7、teration. Up-to-date lists and 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 m
8、ade by translation under the responsibility 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, Est
9、onia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUR
10、OPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12758:2011: EBS EN 12758:2011EN 12758:2011 (E) 2 Contents Page Foreword 31 Scope 42 Normative ref
11、erences 43 Terms and definitions and symbols 63.1 Terms and definitions .63.2 Symbols 74 Glass products .74.1 Basic glasses .74.2 Special basic glasses 84.3 Processed glasses.84.3.1 Strengthened glasses .84.3.2 Thermally toughened safety glasses .84.3.3 Laminated glasses .84.3.4 Coated glasses .94.3
12、.5 Insulating glass units (IGU) 95 Test methods 95.1 General 95.2 Reference curves 105.2.1 General . 105.2.2 Reference IGU 6(16)6 105.2.3 Reference IGU 10 (16) 44-2 laminated glass with acoustic interlayer S 105.2.4 Maximum standard deviation of repeatability . 115.3 Extension rules . 125.3.1 Genera
13、l . 125.3.2 Basic and special basic glasses . 125.3.3 Laminated/laminated safety glass 135.3.4 Coated glasses 135.3.5 Insulating glass units . 136 Sound insulation rating and classification 136.1 Sound insulation rating 136.2 Statement of acoustic performance of glass . 136.3 Specification of glazin
14、g requirements 147 Typical performance data 14Annex A (normative) Description of Reference Insulating Glass Units . 16Annex B (informative) Glazing recommendations 18Bibliography . 19BS EN 12758:2011EN 12758:2011 (E) 3 Foreword This document (EN 12758:2011) has been prepared by Technical Committee C
15、EN/TC 129 “Glass in building”, the secretariat of which is held by NBN. 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 July 2011, and conflicting national standards shall be withdrawn at the late
16、st by July 2011. 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. This document replaces EN 12758:2002. This document has been prepared
17、 under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Eur
18、opean Standard: Austria, Belgium, Bulgaria, Croatia, 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
19、United Kingdom. BS EN 12758:2011EN 12758:2011 (E) 4 1 Scope This European Standard assigns sound insulation values to all transparent, translucent and opaque glass products, described in the European Standards for basic, special basic or processed glass products, when intended to be used in glazed a
20、ssemblies in buildings, and which exhibit properties of acoustic protection, either as a prime intention or as a supplementary characteristic. This document outlines the procedure, by which glass products may be rated, according to their acoustic performance which enables assessment of compliance wi
21、th the acoustic requirements of buildings. Rigorous technical analysis of measurement data remains an option, but this standard is intended to enable the derivation of simpler indices of performance, which can be adopted with confidence by non-specialists. By adopting the principles of this standard
22、 the formulation of acoustic requirements in Building Codes and for product specification to satisfy particular needs for glazing is simplified. It is recognised that the acoustic test procedures contained within EN ISO 10140 relate only to glass panes and their combinations. Although the same princ
23、iples should be followed as closely as possible, it is inevitable that some compromises are necessary, because of the bulkier construction of other glazing types, e.g. glass blocks, paver units, channel-shaped glass, structural glazing and structural sealant glazing. Guidelines on how to adapt the t
24、est procedures for these glass products are offered in Clause 4. All the considerations of this standard relate to panes of glass/glass products alone. Incorporation of them into windows may cause changes in acoustic performance as a result of other influences, e.g. frame design, frame material, gla
25、zing material/method, mounting method, air tightness, etc. Measurements of the sound insulation of complete windows (glass and frame) may be undertaken to resolve such issues. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated
26、references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 572-1, Glass in building Basic soda lime silicate glass products Part 1: Definitions and general physical and mechanical properties EN 572-2, Glass
27、 in Building Basic soda lime slicate glass products Part 2: Float glass EN 572-3, Glass in Building Basic soda lime silicate glass products Part 3: Polished wired glass EN 572-4, Glass in building Basic soda lime silicate glass products Part 4: Drawn sheet glass EN 572-5, Glass in Building Basic sod
28、a lime silicate glass products Part 5: Patterned glass EN 572-6, Glass in building Basic soda lime silicate glass products Part 6: Wired patterned glass EN 572-7, Glass in Building Basic soda lime silicate glass products Part 7: Wired or unwired channel shaped glass EN 1051-1, Glass in building Glas
29、s blocks and glass pavers Part 1: Definitions and description EN 1096-1, Glass in building Coated glass Part 1: Definitions and classification EN 1279-1, Glass in Building Insulating glass units Part 1: Generalities, dimensional tolerances and rules for the system description BS EN 12758:2011EN 1275
30、8:2011 (E) 5 EN 1748-1-1, Glass in building Special basic products Borosilicate glasses Part 1-1: Definition and general physical and mechanical properties EN 1748-2-1, Glass in building Special basic products Glass ceramics Part 2-1: Definitions and general physical and mechanical properties EN 186
31、3-1, Glass in building Heat strengthened soda lime silicate glass Part 1: Definition and description EN 12150-1, Glass in building Thermally toughened soda lime silicate safety glass Part 1: Definition and description EN 12337-1, Glass in building Chemically strengthened soda lime silicate glass Par
32、t 1: Definition and description EN 13024-1, Glass in building Thermally toughened borosilicate safety glass Part 1: Definition and description EN 14178-1, Glass in building Basic alkaline earth silicate glass products Part 1: Float glass EN 14179-1, Glass in building Heat soaked thermally toughened
33、soda lime silicate safety glass Part 1: Definition and description EN 14321-1, Glass in building Thermally toughened alkaline earth silicate safety glass Part 1: Definition and description prEN 15681-1, Glass in building Basic alumino silicate glass products Part 1: Definitions and general physical
34、and mechanical properties prEN 15682-1, Glass in building Heat soaked thermally toughened alkaline earth silicate safety glass Part 1: Definition and description prEN 15683-1, Glass in building Thermally toughened soda lime silicate channel shaped safety glass Part 1: Definition and description EN I
35、SO 10140:2010 (all parts), Acoustics Laboratory measurement of sound insulation of building elements EN ISO 717-1:1996, Acoustics Rating of sound insulation in buildings and of building elements Part 1: Airborne sound insulation (ISO 717-1:1996) EN ISO 12543-1, Glass in building Laminated glass and
36、laminated safety glass Part 1: Definitions and description of component parts (ISO 12543-1:1998) EN ISO 12543-2, Glass in building Laminated glass and laminated safety glass Part 2: Laminated safety glass (ISO 12543-2:1998) EN ISO 12543-3, Glass in building Laminated glass and laminated safety glass
37、 Part 3: Laminated glass (ISO 12543-3:1998) ISO 140-2:1991, Acoustics Measurement of sound insulation in buildings and of building elements Part 2: Determination, verification and application of precision data ISO 16940, Glass in building Glazing and airborne sound insulation Measurement of the mech
38、anical impedance of laminated glass BS EN 12758:2011EN 12758:2011 (E) 6 3 Terms and definitions and symbols 3.1 Terms and definitions For the purposes of this document, the terms and definitions given in EN ISO 10140:2010, ISO 140-2:1991 and EN ISO 717-1:1996 together with the following apply: 3.1.1
39、 glass product product manufactured from glass, i.e. basic glass, special basic glass, processed glass, for use in buildings/constructions NOTE See Clause 4. 3.1.2 glazed assembly combination of frame/support and glass product used for the determination of the acoustic performance NOTE 1 The followi
40、ng are examples of such assemblies: 1) Glass block walls; 2) Paver unit panels; 3) Channel shaped glass panels, single or dual glazed; 4) Structural sealant glazing; 5) Structural assemblies. NOTE 2 The dimensions of glass blocks, paver units and channel shaped glass do not allow them to be subjecte
41、d to the standard test regime. NOTE 3 Structural sealant glazing: is a frameless glazing system that uses structural sealant to restrain the glazing. This method of restraint will influence the acoustic performance of the glass product. NOTE 4 Structural assemblies consist of glass products that are
42、 connected by bolted metal fittings to one another and to structural supports, e.g. fin, etc. 3.1.3 single glazing single pane of glass, that includes annealed, strengthened/toughened (by heat or chemical treatment), laminated/laminated safety and coated glasses, that is glazed into an opening 3.1.4
43、 multiple glazing two or more panes of glass that are separated by cavities either sealed or unsealed NOTE 1 Multiple glazing incorporating hermetically sealed cavities, e.g. double glazing, triple glazing, etc., and are known as Insulating Glass Units. NOTE 2 Multiple glazing with unsealed cavities
44、 when in an opening is known as coupled glazing, coupled or double windows. If in a proprietary frame it is known as secondary sash. NOTE 3 When two panes of channel shaped glass are glazed flange to flange it is known as dual glazed. 3.1.5 insulating glass unit (IGU) assembly consisting of at least
45、 two panes of glass, separated by one or more spacers, hermetically sealed along the periphery, mechanically stable and durable BS EN 12758:2011EN 12758:2011 (E) 7 NOTE 1 See EN 1279-1. NOTE 2 Systems are available where the spacer and hermetic seal are included within a single edge sealing system.
46、NOTE 3 The hermetically sealed cavity may contain dry air or a number of other gas types, e.g. argon, xenon, krypton, etc. 3.1.6 laminated/laminated safety glass assembly consisting of one sheet of glass with one or more sheets of glass and/or plastics glazing sheet material joined together with one
47、 or more interlayers NOTE See EN ISO 12543-1. 3.1.7 interlayer layer or material acting as an adhesive and separator between plies of glass and/or plastics glazing sheet material NOTE 1 It can also give additional performance to the finished product e.g. impact resistance, resistance to fire, solar
48、control, acoustic insulation. NOTE 2 There are many types of interlayer. The most common ones are organic. However, for certain products, with resistance to fire performance, the interlayers are inorganic. 3.1.8 acoustic interlayer interlayer that increases the Sound Reduction Index of the laminated
49、 glass NOTE The interlayer may be evaluated in accordance to ISO 16940. 3.1.9 acoustic interlayer for reference glazing acoustic interlayer with a measured loss factor of the 1st mode of the beam above or equal to 0,25 when evaluated in accordance to ISO 16940 3.2 Symbols R Sound Reduction Index Rw Weighted Sound Reduction Index RtrSound Reduction Index for Traffic Noise C Spectrum Adap
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