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2、art 2: Evaluation of conformity/Product standardICS 81.040.20Glass in building Glass blocks and glass pavers BRITISH STANDARDBS EN 1051-2:2007BS EN 1051-2:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/07/2008 08:19, Uncontrolled Copy, (c) BSIThis British Standard was published under
3、the authority of the Standards Policy and Strategy Committee on 31 March 2008 BSI 2008ISBN 978 0 580 53482 9Amendments/corrigenda issued since publicationDate Commentscontract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obli
4、gations.National forewordThis British Standard is the UK implementation of EN 1051-2:2007. The UK participation in its preparation was entrusted by Technical Committee B/520, Glass and glazing in building, to Subcommittee B/520/1, Basic and transformed glass products.A list of organizations represen
5、ted on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 1051-2October 2007ICS 81.040.20English VersionGlass in building - Glass blocks and glass pavers - Part 2:
6、Evaluation of conformity/Product standardVerre dans la construction - Briques et dalles de verre -Partie 2: Evaluation de la conformit/Norme produitGlas im Bauwesen - Glassteine und Betonglser - Teil 2:Konformittsbewertung/ProduktnormThis European Standard was approved by CEN on 18 August 2007.CEN m
7、embers are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on applicat
8、ion to the CEN 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has th
9、e same status as theofficial versions.CEN members are the national 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,
10、Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any form and by any means reserve
11、dworldwide for CEN national Members.Ref. No. EN 1051-2:2007: ELicensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/07/2008 08:19, Uncontrolled Copy, (c) BSIEN 1051-2:2007 (E) 2 Contents Page Foreword4 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 Requirements.6 4.1 Conformity
12、with the product family glass blocks and glass paver units 6 4.2 Determination of the performances of characteristics6 4.2.1 Characteristics of glass blocks and glass paver units6 4.2.2 Determination of essential characteristics of glass blocks and glass paver units7 4.3 Durability 9 4.4 Characteris
13、tics other than those listed in 4.2.9 4.5 Dangerous substances .9 5 Evaluation of conformity.10 5.1 General10 5.2 Initial type testing of the product (5.1, 2) 10 5.2.1 General10 5.2.2 Type testing if products belong to the product family glass blocks and glass paver units .11 5.2.3 Type testing of p
14、erformances of characteristics .11 5.3 Factory production control and inspection of samples in accordance with a prescribed test plan (5.1, 1a and 1.b) 12 5.4 Initial inspection of factory and of factory production control (5.1, 1b) 12 5.5 Continuous surveillance and assessment of the factory produc
15、tion control (5.1, 1c) 13 6 Marking and labelling 13 6.1 General13 6.2 Product marking 13 6.3 Product characteristics.13 6.4 “Characteristics/performance identification paper”13 Annex A (normative) Factory production control15 A.1 Factory Production Control Requirements.15 A.1.1 General15 A.1.2 Orga
16、nisation.15 A.1.3 Control system.15 A.2 Marking .16 A.3 Inspection and testing tables of glass blocks and glass paver unit production16 A.3.1 Information on Table A.1.16 A.3.2 Use of proxy testing 17 Annex B (normative) Residual stress/Thermal shock.20 B.1 Requirement.20 B.2 Test method20 B.2.1 Gene
17、ral20 B.2.2 Factory production control.20 B.2.3 On-going evaluation of conformity20 B.3 Evaluation of test results 21 B.3.1 Factory production control.21 B.3.2 On-going evaluation of conformity21 Annex C (normative) Determination of the thermal transmittance (U-value) of glass blocks and glass paver
18、 units22 BS EN 1051-2:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/07/2008 08:19, Uncontrolled Copy, (c) BSIEN 1051-2:2007 (E) 3 C.1 General .22 C.2 Massive glass blocks and glass paver units22 C.3 Hermetic closed hollow glass blocks and glass paver units22 Annex D (normative) Model
19、ling of glass blocks and glass paver units for the determination of the light transmittance, light reflectance and solar energy characteristics 24 Annex E (normative) Compression strength test method, sampling, requirements and evaluation in factory production control .25 E.1 Glass blocks 25 E.1.1 T
20、est equipment and procedure25 E.1.2 Test specimen preparation.25 E.2 Glass paver units.26 E.2.1 Test equipment and procedure26 E.2.2 Test specimen preparation.27 E.3 Requirements.27 E.3.1 Glass blocks 27 E.3.2 Glass paver units.27 E.4 Evaluation.27 Annex F (informative) Provisions for voluntary invo
21、lvement of third party(ies)28 F.1 General .28 F.2 Voluntary tasks for third parties 28 F.3 Marking and labelling28 Annex ZA (informative) Clauses of this European Standard addressing the provisions of EU Construction Products Directive .29 ZA.1 Scope and relevant characteristics .29 ZA.2 Procedure(s
22、) for the attestation of conformity of basic soda lime silicate glass products 31 ZA.2.1 System(s) of attestation of conformity31 ZA.2.2 EC Certificate and Declaration of conformity.33 ZA.3 CE marking and labelling34 Bibliography38 BS EN 1051-2:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDAR
23、DS, 02/07/2008 08:19, Uncontrolled Copy, (c) BSIEN 1051-2:2007 (E) 4 Foreword This document (EN 1051-2:2007) has been prepared by Technical Committee CEN/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, eith
24、er by publication of an identical text or by endorsement, at the latest by April 2008, and conflicting national standards shall be withdrawn at the latest by July 2009. This part of the document does not stand-alone, it is a part of one document: EN 1051-1: Glass in building Glass blocks and glass p
25、avers Part 1: Definitions and description EN 1051-2: Glass in building Glass blocks and glass pavers Part 2: Evaluation of conformity/Product standard This document contains other aspects of importance to trade. Attention is drawn to the possibility that some of the elements of this document may be
26、the subject of patent rights. 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, and supports essential requirements of EC Dir
27、ective(s). For relationship with EC Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium,
28、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 the United Kingdom. BS EN 1051-2:2007Licens
29、ed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/07/2008 08:19, Uncontrolled Copy, (c) BSIEN 1051-2:2007 (E) 5 1 Scope This document covers the evaluation of conformity and the factory production control requirements of and recommendations for glass block and glass paver units. This standard does
30、 not cover panels incorporating glass blocks or glass paver units. 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 docu
31、ment (including any amendments) applies. EN 356, Glass in building Security glazing - Testing and classification of resistance against manual attack EN 410, Glass in building Determination of luminous and solar characteristics of glazing EN 572-1, Glass in building Basic soda lime silicate glass pro
32、ducts Part 1: Definitions and general physical and mechanical properties EN 673, Glass in building Determination of thermal transmittance (U value) Calculation method EN 1051-1:2003, Glass in building Glass blocks and glass pavers Part 1: Definitions and description EN 1063, Glass in building Securi
33、ty glazing Testing and classification of resistance against bullet attack EN 13501-1, Fire classification of construction products and building elements Part 1: Classification using data from reaction to fire tests EN 13541, Glass in building Security glazing Testing and classification of resistance
34、 against explosion pressure EN ISO 7459, Glass containers Thermal shock resistance and thermal shock endurance Test methods (ISO 7459:2004) EN ISO 7500-1, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/compression testing machines Verification and calibration of
35、the force-measuring system (ISO 7500-1:2004) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1051-1:2003 and the following apply. 3.1 initial type testing determination of the performance of a product (characteristic, durability), on the basis of eith
36、er actual tests or other procedures (such as conventional, standardised, tabulated or general accepted values, standardised or recognised calculation methods, test reports when made available, ), in accordance with this standard that demonstrates compliance with this standard 3.2 test report documen
37、t that covers the results of tests undertaken on a representative sample of the product from production or on a prototype design of the product BS EN 1051-2:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/07/2008 08:19, Uncontrolled Copy, (c) BSIEN 1051-2:2007 (E) 6 3.3 product descrip
38、tion document that details the relevant parameters, e.g. process conditions, structure, etc., for defining a product that complies with the standard. It includes specific reference(s) to characteristics that are modified by the production process. 3.4 significant change variation in performance beyo
39、nd the permitted tolerance for the characteristic 4 Requirements 4.1 Conformity with the product family glass blocks and glass paver units Products shall conform to the definition and fulfil the requirements of glass blocks and glass paver units as defined in EN 1051-1. NOTE EN 1051-1 covers dimensi
40、onal, compressive strength and breakage load requirements. 4.2 Determination of the performances of characteristics 4.2.1 Characteristics of glass blocks and glass paver units Glass blocks and glass paver units are made of soda lime silicate glass in accordance with EN 572-1. The characteristics lis
41、ted in Table 1, concern general accepted values, calculated values or measured values Table 1 Necessary information on characteristics of soda lime silicate glass Characteristic Symbol Unit Generally accepted values: - density - hardness - Youngs modulus - - Poissons ratio - Specific heat capacity -
42、 Coefficient of linear expansion - Thermal conductivity (for U-value) - Mean refractive index to visible radiation - Emissivity HK0,1/20 E c n kg/m GPa Pa Dimensionless J/(kg.K) K-1W/(m.K) Dimensionless Dimensionless Measured values: - light transmittance - solar direct transmittance v eDimensionles
43、s Dimensionless Calculated values: - total solar energy transmittance g Dimensionless BS EN 1051-2:2007Licensed Copy: Wang Bin, ISO/EXCHANGE CHINA STANDARDS, 02/07/2008 08:19, Uncontrolled Copy, (c) BSIEN 1051-2:2007 (E) 7 Glass blocks and glass paver units have mechanical/thermal characteristics th
44、at are specific to the product. These characteristics are listed in Table 2. Table 2 Characteristics specific to glass blocks and glass paver units Characteristic Symbol Unit Measured values -compressive strengtha - breaking loadsb- residual stress (thermal shock)c- - - N/mm2kN K a For glass blocks
45、determined in accordance with EN 1051-1:2003, Annex A b For glass paver units determined in accordance with EN 1051-1:2003, Annex B c For glass blocks and glass paver units determined in accordance with Annex B 4.2.2 Determination of essential characteristics of glass blocks and glass paver units 4.
46、2.2.1 General The essential characteristics that are specific to blocks and glass paver units are as follows: Safety in the case of fire - Reaction to fire. Safety in use Mechanical resistance: Resistance against sudden temperature changes and temperature differentials. Safety in use Mechanical resi
47、stance. Protection against noise Airborne sound reduction. Energy conservation and heat retention Thermal properties. Energy conservation and heat retention Radiation properties Light transmittance and reflectance. Energy conservation and heat retention Radiation properties Solar energy characterist
48、ics. Other characteristics are only applicable for panels made of glass blocks or glass paver units. If the glass block and glass paver unit manufacturer wishes to claim that any performance characteristic is independent of the production equipment used then the factory production control system sha
49、ll be in accordance with this standard including his specific process control conditions. 4.2.2.2 Safety in the case of fire - Reaction to fire Reaction to fire shall be determined and classified in accordance with EN 13501-1. Basic soda lime silicate glass products are products/materials that do not require to be tested for reaction to fire (e.g. Products/materials of Classes A1* according to Commission Decision 96/603/EC, as amended 2000/605/EC) BS EN 1051-2:2007Licensed C
