1、BSI Standards PublicationBS EN 12326-1:2014Slate and stone fordiscontinuous roofing andexternal claddingPart 1: Specifications for slate andcarbonate slateBS EN 12326-1:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 12326-1:2014.It supersedes BS EN 12326-1
2、:2004 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/542, Roofing and cladding products for discontinuouslaying.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to incl
3、ude all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2014. Published by BSI StandardsLimited 2014ISBN 978 0 580 84744 8ICS 91.100.15Compliance with a British Standard cannot confer immunity fromlegal obligations.This Briti
4、sh Standard was published under the authority of theStandards Policy and Strategy Committee on 30 September 2014.Amendments issued since publicationDate Text affectedBS EN 12326-1:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12326-1 August 2014 ICS 91.100.15 Supersedes EN 12326-1:2004Eng
5、lish Version Slate and stone for discontinuous roofing and external cladding -Part 1: Specifications for slate and carbonate slate Ardoises et pierres pour toiture et bardage extrieur pour pose en discontinu - Partie 1: Spcifications pour ardoises et ardoises carbonates Schiefer und Naturstein fr be
6、rlappende Dachdeckungen und Auenwandbekleidungen - Teil 1: Spezifikationen fr Schiefer und carbonathaltige Schiefer This European Standard was approved by CEN on 10 July 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Eur
7、opean 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-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versio
8、ns (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-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, B
9、elgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Swi
10、tzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN natio
11、nal Members. Ref. No. EN 12326-1:2014 EBS EN 12326-1:2014EN 12326-1:2014 (E) 2 Contents Page Foreword 4 Introduction .5 1 Scope 6 2 Normative references 6 3 Terms and definitions .7 4 Symbols and abbreviations 8 5 Requirements .9 5.1 Origin and petrography .9 5.2 Thickness .9 5.2.1 General 9 5.2.2 N
12、ominal thickness .9 5.2.3 Individual thickness 9 5.3 Characteristic modulus of rupture 12 5.4 Grain . 12 5.5 Water absorption 12 5.6 Freezethaw resistance (for slates with water absorption 0,6) 13 5.7 Thermal cycle resistance . 13 5.8 Apparent calcium carbonate content . 13 5.9 Sulfur dioxide exposu
13、re test . 13 5.10 Non-carbonate carbon content . 14 5.11 Defects . 14 5.12 Other dimensions . 14 5.12.1 General . 14 5.12.2 Deviation of length and width 14 5.12.3 Deviation from edge straightness . 15 5.12.4 Deviation from rectangularity 15 5.12.5 Deviation from flatness 15 5.12.6 Format of random
14、slates and special shaped slates 16 5.13 Fire . 16 5.13.1 External fire performance 16 5.13.2 Reaction to fire performance . 16 5.14 Release of dangerous substances 17 6 Assessment and verification of constancy of performance - AVCP . 17 6.1 General . 17 6.2 Number of slates required for type tests
15、and factory production control 18 6.3 Testing frequency . 18 6.4 Type testing . 20 6.4.1 General . 20 6.4.2 Test Reports 20 6.5 Factory production control (FPC) . 20 6.5.1 General . 20 6.5.2 Product related requirements 20 6.5.3 Procedures in case of nonconformity and/or complaint 21 7 Marking, labe
16、lling and packaging . 23 Annex A (informative) Appearance of slates . 24 BS EN 12326-1:2014EN 12326-1:2014 (E) 3 A.1 Colour . 24 A.2 Marks 24 Annex B (informative) Guidance for the calculation of the basic individual thickness of slates . 25 B.1 Calculation of the basic individual thickness of slate
17、s . 25 B.2 National X factors 26 B.3 Example calculations for minimum thickness of slates 26 B.3.1 Nominal thickness . 26 B.3.2 Examples for the calculation of nominal thickness . 26 Annex C (informative) General guidance on the installation of slates 30 Annex D (informative) Format for the accompan
18、ying commercial document 31 Annex E (informative) Method to estimate the nominal thickness of packed slates epc)35 E.1 Principle 35 E.2 Apparatus . 35 E.3 Preparation of test pieces. 35 E.4 Procedure . 35 E.5 Expression of results 35 E.6 Test report 35 Annex ZA (informative) Clauses of this European
19、 Standard addressing the provisions of the EU Construction Products Regulation 36 ZA.1 Scope and relevant characteristics . 36 ZA.2 Procedure for AVCP of the slate and carbonate slate for discontinuous roofing and external cladding . 39 ZA.2.1 Systems of AVCP 39 ZA.2.2 Declaration of performance (Do
20、P) . 41 ZA.2.2.1 General 41 ZA.2.2.2 Content 42 ZA.2.2.3 Example of DoP 43 ZA.3 CE marking marking and labelling 45 Bibliography 47 BS EN 12326-1:2014EN 12326-1:2014 (E) 4 Foreword This document (EN 12326-1:2014) has been prepared by Technical Committee CEN/TC 128 “Roof covering products for discont
21、inuous laying and products for wall cladding”, 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 February 2015 and conflicting national standards shall be wi
22、thdrawn at the latest by May 2016. 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 supersedes EN 12326-1:2004. This docu
23、ment has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of the EU Construction Products Regulation. For relationship with EU Directive(s) and the Construction Products Regulation, see informative Anne
24、x ZA, which is an integral part of this document. In comparison to the previous edition, the following sections have been modified: 3.1, 3.2, 3.3, 3.13, 5.1, 5.2.3, 5.3, 5.5, 5.6, 5.8, 5.9, 5.12.1, 5.12.5, 5.13, 5.14, Clause 6, Annex B, Annex C, Annex D, Annex E and Annex ZA. This European Standard
25、EN 12326-1 is one of a series of product standards for building materials. EN 12326 consists of the following parts: Part 1: Specifications for slate and carbonate slate; Part 2: Methods of test for slate and carbonate slate. According to the CEN-CENELEC Internal Regulations, the national standards
26、organizations 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, Lithuania, Luxembo
27、urg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 12326-1:2014EN 12326-1:2014 (E) 5 Introduction The evaluation of the performance of the products has been defined, as far as possible, in terms of a number
28、 of type tests. A distinction has been made between product appraisal (type test) and routine factory production control requirements. The performance of a roof or wall constructed with these products depends not only on the properties of the product as required by this document, but also on the des
29、ign, construction and performance of the roof or wall as a whole in relation to the environment and conditions of use. BS EN 12326-1:2014EN 12326-1:2014 (E) 6 1 Scope This European Standard specifies requirements for slate and carbonate slate for discontinuous roofing and external cladding, as defin
30、ed in 3.1, and 3.2, used for assembly into discontinuous roofing and external cladding. For the purposes of this European Standard, slates and carbonate slates have been classified. This European Standard does not apply to products for roofing or external cladding made from the following: a) stone o
31、ther than those defined in 3.1 and 3.2; b) concrete; c) polymeric materials; d) fibre reinforced cement; e) metal; f) clay. This European Standard is not applicable to roofing and cladding slates used internally. This European Standard is not applicable to bonded cladding (cladding fixed with adhesi
32、ves) and cladding fixed with dowels and cramps. NOTE 1 Requirements for internal wall lining slate are specified in EN 1469. This document does not include requirements for appearance. NOTE 2 Some general guidance for appearance is given in Annex A. This European Standard does not include installati
33、on rules for slates. NOTE 3 References to national recommendations on methods of construction for slate roofs are given in Annex C. NOTE 4 Where the term “slate” is used in this document it means slate and carbonate slate unless otherwise indicated. 2 Normative references The following documents, in
34、 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 referenced document (including any amendments) applies. EN 12326-2:2011, Slate and stone f
35、or discontinuous roofing and external cladding Part 2: Methods of test for slate and carbonate slate EN 13501-1, Fire classification of construction products and building elements Part 1: Classification using data from reaction to fire tests ISO 2859-1:1999, Sampling procedures for inspection by att
36、ributes Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection BS EN 12326-1:2014EN 12326-1:2014 (E) 7 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 slate rock originating from clayey sedimentary rocks,
37、 including sediments of volcanoclastic origin and belonging petrographically to a range which begins at the boundary between sedimentary and metamorphic formation and ends at the epizonal-metamorphic phyllite formations Note 1 to entry: The predominant and most important components are the phyllosil
38、icates and the cleavage resulting froma schistosity flux, caused by low or very low grade of metamorphism. Note 2 to entry: Slate is distinguished from sedimentary stones, which invariably splits along a bedding or sedimentation plane. Note 3 to entry: The origin of the metamorphism can be due to te
39、ctonic or lithostatic compression or a combination of the two. 3.2 roofing slate slate used for roofing and external cladding, which easily splits into thin sheets along a plane of cleavage 3.3 carbonate slate rock used for roofing and external cladding, containing phyllosilicates and a minimum appa
40、rent calcium carbonate content of 20 % and exhibiting a prominent slaty cleavage 3.4 vein separately identifiable band of slate rock within the geological formation of a quarry or mine 3.5 slate vein localized occurrence (in a roofing or external cladding slate), usually passing through the thicknes
41、s of a slate, of minerals that have intruded or infiltrated into a joint or fissure in the parent rock 3.6 grain orientation of the minerals in slate which results in an anisotropic bending strength Note 1 to entry: In the bending strength test, grain is perpendicular to the load bar in the test tha
42、t usually gives the highest failure result. 3.7 rectangular slate slate which is square or rectangular including such slates which have been shouldered 3.8 shouldering removal of the upper (when installed) corner(s) of a roofing or external cladding slate to facilitate laying Note 1 to entry: This d
43、escription does not apply to special designs of slates. 3.9 shouldered slate slate from which the upper corners have been removed BS EN 12326-1:2014EN 12326-1:2014 (E) 8 3.10 type test product appraisal test concerned with one or more of the following, the effect of which cannot be anticipated on th
44、e basis of previous tests: the operation of a new quarry, mine or vein of slate for the first time; an unanticipated change in the geology of the rock 3.11 factory production control test test performed on samples drawn from continuous production to establish whether a lot conforms to this document
45、3.12 nominal thickness thickness of slates declared by the manufacturer 3.13 corrected packed thickness thickness of 100 packed slates divided by 100 and reduced by a factor depending on the flatness characteristics of the slate declared by the manufacturer Note 1 to entry: See Annex E. 3.14 basic i
46、ndividual thickness thickness of slates determined from the modulus of rupture, as shown in Annex B, and/or from traditional construction methods Note 1 to entry: See Annex B and Annex C. 3.15 minimum individual thickness minimum thickness of slates determined by adjusting the basic individual thick
47、ness in accordance with 5.2.3 3.16 modulus of rupture maximum stress sustained by a slate test piece when a bending moment is applied Note 1 to entry: In this document, the arrangement of the test is three point bending. 3.17 random slates slates or sets of slates produced to undefined dimensions 4
48、Symbols and abbreviations For the purposes of this document, the following symbols and abbreviations apply. AQL acceptable quality level W1, W2 codes applied to the result of the water absorption test and if relevant the freezethaw test b width of a slate, in mm ebibasic individual thickness of roof
49、ing slates determined from the modulus of BS EN 12326-1:2014EN 12326-1:2014 (E) 9 rupture and/or traditional construction methods, in mm eiindividual thickness of roofing slates, in mm elthickness of a slate calculated as a function of its longitudinal modulus of rupture and the X factor, in mm emiminimum thickness of individual slates, in mm epthickness of packed slates, in mm esdepth of softening in the sulfur dioxide exposure test for slates with an apparent calcium carbonate content more than 20 %, in mm etbasic thickness of a slate calculated as a functio
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