1、September 2011 Translation by DIN-Sprachendienst.English price group 18No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).
2、ICS 91.100.15!$td“1816527www.din.deDDIN EN 12326-2Slate and stone for discontinuous roofing and external cladding Part 2: Methods of test for slate and carbonate slateEnglish translation of DIN EN 12326-2:2011-09Schiefer und Naturstein fr berlappende Dachdeckungen undAuenwandbekleidungen Teil 2: Prf
3、verfahren fr Schiefer und carbonathaltige SchieferEnglische bersetzung von DIN EN 12326-2:2011-09Ardoises et pierres pour toiture et bardage extrieur pour pose en discontinu Partie 2: Mthodes dessais pour ardoises et ardoises carbonatesTraduction anglaise de DIN EN 12326-2:2011-09SupersedesDIN EN 12
4、326-2:2004-11www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 48 pages0 .118 DIN EN 12326-2:2011-09 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee CEN/TC 128 “Roof covering
5、 products for discon-tinuous laying and products for wall cladding” (Secretariat: NBN, Belgium). The responsible German body involved in its preparation was the Normenausschuss Materialprfung (Materials Testing Standards Committee), Working Committee NA 062-03-12 AA Schiefer; Anforderungen und Prfve
6、rfahren. Amendments This standard differs from DIN EN 12326-2:2004-11 as follows: a) Clause 10 “Determination of the modulus of rupture, and characteristic modulus of rupture”, Clause 12 “Freeze-thaw test” and Clause 13 “Determination of the apparent calcium carbonate and non carbonate carbon conten
7、t by catalytic thermal decomposition” have been technically revised; b) Annex B (informative) “Petrographic examination of origin and identification of slate” has been added. Previous editions DIN 52201: 1985-05 DIN DVM 2202=DIN 52202: 1933-08 DIN DVM=DIN 52204: 1933-08 DIN 52204: 1985-05 DIN DVM 22
8、05=DIN 52205: 1933-08 DIN 52206: 1975-03 DIN DVM 2206=DIN 52206: 1933-08 DIN EN 12326-2: 2000-06, 2004-11 2 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12326-2 June 2011 ICS 91.100.15 Supersedes EN 12326-2:2000English Version Slate and stone for discontinuous roofing and external cladding -
9、Part 2: Methods of test for slate and carbonate slate Ardoises et pierres pour toiture et bardage extrieur pour pose en discontinu - Partie 2: Mthodes dessais pour ardoises et ardoises carbonates Schiefer und Naturstein fr berlappende Dachdeckungen und Auenwandbekleidungen - Teil 2: Prfverfahren fr
10、Schiefer und carbonathaltige Schiefer This European Standard was approved by CEN on 19 May 2011. 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-
11、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 made by translati
12、on 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, Estonia, Finland, F
13、rance, 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 EUROPISCHES KOMITEE
14、 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 12326-2:2011: EEN 12326-2:2011 (E) 2 Contents Page Foreword 51 Scope 62 Normative references 63 Terms, definition
15、s and symbols .63.1 Terms and definitions .63.2 Symbols 64 Surveillance sampling procedure 95 Determination of the length and width and the deviation from the specified length and width . 105.1 Principle . 105.2 Apparatus 115.3 Preparation of test pieces 115.4 Procedure 115.5 Expression of the resul
16、ts . 115.6 Test report . 116 Determination of the amount by which the edges deviate from a straight edge . 116.1 Principle . 116.2 Apparatus 116.3 Preparation of test pieces 126.4 Procedure 126.5 Expression of the results . 126.6 Test report . 127 Determination of the rectangularity of slates 137.1
17、Principle . 137.2 Apparatus 137.3 Preparation of test pieces 137.4 Procedure 137.5 Expression of the results . 137.6 Test report . 148 Determination of the thickness of individual slates 148.1 Principle . 148.2 Apparatus 148.3 Preparation of test pieces 148.4 Procedure 148.5 Expression of results .
18、158.6 Test report . 169 Determination of the deviation from flatness 169.1 Principle . 169.2 Apparatus 169.3 Preparation of test pieces 179.4 Procedure 179.5 Expression of results . 179.6 Test report . 1810 Determination of the modulus of rupture, and characteristic modulus of rupture . 1810.1 Princ
19、iple . 1810.2 Apparatus 1810.3 Preparation of test pieces 18DIN EN 12326-2:2011-09 EN 12326-2:2011 (E) 3 10.4 Procedure . 1910.5 Expression of the results 2010.6 Test report 2011 Water absorption test 2111.1 Principle 2111.2 Reagents. 2111.3 Apparatus . 2111.3.1 Oven, ventilated and capable of maint
20、aining a temperature of (110 5) C. 2111.3.2 Water cooled diamond saw. . 2111.3.3 Balance, capable of weighing to 0,002 g. 2111.3.4 Water bath, containing water as specified in 11.2.1 and capable of being maintained at (23 5) C. 2111.3.5 Absorbent cloth. 2111.4 Preparation of test pieces. 2111.5 Proc
21、edure . 2111.6 Expression of the results 2211.7 Test report 2212 Freeze-thaw test 2312.1 Principle 2312.2 Reagent. 2312.3 Apparatus . 2312.4 Preparation of test pieces. 2312.5 Procedure . 2312.6 Expression of results and test report 2413 Determination of the apparent calcium carbonate and non carbon
22、ate carbon content by catalytic thermal decomposition . 2413.1 Principle 2413.2 Reagents. 2513.2.1 Tungsten/tin accelerator. 2513.2.2 Iron chips 2513.2.3 Platinum catalyst. 2513.3 Apparatus . 2513.4 Preparation of powdered test pieces 2513.5 Procedure . 2513.5.1 Determination of the total carbon con
23、tent CT. 2513.5.2 Determination of the non carbonate carbon content Cnc . 2513.6 Expression of results 2613.7 Test report 2614 Sulfur dioxide exposure tests 2714.1 Sulfur dioxide exposure test for slates with a carbonate content less than or equal to 20 % (mass percentage) 2714.1.1 Principle 2714.1.
24、2 Reagents. 2714.1.3 Apparatus . 2714.1.4 Preparation of test pieces. 2714.1.5 Procedure . 2714.1.6 Test report 2814.2 Sulfur dioxide exposure test for slates with a calcium carbonate content more than 20 % (mass percentage) . 2814.2.1 Principle 2814.2.2 Reagents. 2814.2.3 Apparatus . 2814.2.4 Prepa
25、ration of test pieces. 2914.2.5 Procedure . 2914.2.6 Expression of results 3514.2.7 Test report 3615 Thermal cycle test . 36DIN EN 12326-2:2011-09 EN 12326-2:2011 (E) 4 15.1 Principle . 3615.2 Reagents 3615.3 Apparatus 3615.4 Preparation of test pieces 3615.5 Procedure 3615.6 Test report . 3716 Petr
26、ographic examination 3716.1 Introduction . 3716.2 Principle . 3716.3 Apparatus 3716.4 Reagents 3816.4.1 Alumina polishing paste: . 3816.5 Preparation of test pieces 3816.5.1 Thin sections . 3816.5.2 Polished sections . 3816.5.3 X-ray diffraction specimens . 3916.6 Procedure 3916.6.1 Macroscopic exam
27、ination 3916.6.2 Microscopical examination 4016.7 Expression of results . 4116.8 Test report . 41Annex A (informative) Petrographic interpretation . 42A.1 Connection between the micas (Figure A.1 (a) and (b) . 42A.2 Bedding and cleavage, angle of intersection (Figures A.1 (c) to (q) 42Annex B (infor
28、mative) Petrographic examination of origin and identification of slate . 44B.1 Identification of slate 44B.2 Origin . 44B.3 Report 45Bibliography . 46DIN EN 12326-2:2011-09 EN 12326-2:2011 (E) 5 Foreword This document (EN 12326-2:2011) has been prepared by Technical Committee CEN/TC 128 “Roof coveri
29、ng products for discontinuous 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 December 2011, and conflicting nation
30、al standards shall be withdrawn at the latest by December 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 supersed
31、es EN 12326-2:2000. The most important changes in this version of the standard concern: - Clause 10 “Determination of the modulus of rupture, and characteristic modulus of rupture“; - Clause 12 “Freeze-thaw test“; - Clause 13 “Determination of the apparent calcium carbonate and non carbonate carbon
32、content by catalytis thermal decomposition“; - a new informative Annex B has been added “Petrographic examination of origin and identification of slate“. EN 12326 consists of the following parts: Part 1: Product specification; Part 2: Methods of test for slate and carbonate slate. According to the C
33、EN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, L
34、ithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DIN EN 12326-2:2011-09 EN 12326-2:2011 (E) 6 1 Scope This European Standard specifies test methods for slate and carbonate slate for roofing and wall cl
35、adding. It is applicable to natural roofing products as defined in EN 12326-1:2004 used for assembly into discontinuous roofs and external wall cladding. NOTE Where the term “slate“ is used in this document it means slate and carbonate slate unless otherwise indicated. 2 Normative references The fol
36、lowing 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 document (including any amendments) applies. EN 12326-1:2004, Slate and stone products for discontinu
37、ous roofing and cladding Part 1: Product specification 3 Terms, definitions and symbols 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 test piece (of slate) piece sawn from a slate and prepared for testing as defined by the relevant test
38、 procedure 3.1.2 powdered test piece (of slate) piece or pieces of a slate or slates prepared for testing by grinding to a powder of a defined particle size 3.1.3 sampling process of selecting a slate or a set of slates for testing 3.1.4 constant mass mass achieved when two successive weightings tak
39、en 24 h apart do not differ by more than 0,001 g (or 0,01 % of the weight of the test piece) 3.1.5 modulus of rupture maximum stress sustained by a slate test piece when a bending moment is applied NOTE In this European Standard the geometry of the test is three point bending. 3.2 Symbols Symbol Phy
40、sical quantity Unit Awwater absorption % a rate of application of stress in the bend strength test (N/mm2)/s DIN EN 12326-2:2011-09 EN 12326-2:2011 (E) 7 b width of a slate or a test piece mm Caapparent mass percentage calcium carbonate in slate % Cccarbonate carbon content of slate % cC mean carbon
41、ate carbon content of a slate % Cdcarbon dioxide content of a test piece or standard preparation % CTtotal carbon in a slate % Cncnon-carbonate carbon in a slate % e thickness of a slate mm emmean of three thickness measurements used to determine the rate of application of load in the bend strength
42、test mm emaxmaximum of four thickness measurements carried out on one slate test piece mm e mean thickness of a slate test piece or series of test pieces mm eimean of 8 thickness measurements in the modulus of rupture test mm Edmaximum deviation of the thickness of a slate from the mean thickness %
43、esthickness of the softened layer in the SO2exposure test mm e1Ato e4Aindividual thickness measurements in the SO2exposure test mm E1conductivity reading for total carbon S/m E2conductivity reading for non-carbonate carbon S/m f gas volume reduction factor of the pump in the determination of non-car
44、bonate carbon content by coulometry - f gas volume reduction factor of the pump in the blank determination of non-carbonate content by coulometry - f1f2means of three dial gauge readings in the flatness test mm fddeviation from flatness of a slate mm Fddeviation from flatness of a slate as a percent
45、age of its length % I number of pulses recorded in the determination of non-carbonate carbon content by coulometry - I number of pulses recorded in the blank determination of non-carbonate carbon content by coulometry - k proportionality factor specific to the apparatus in the determination of non-c
46、arbonate carbon content by coulometry - DIN EN 12326-2:2011-09 EN 12326-2:2011 (E) 8 K wavelength of the radiation used in the x-ray diffraction analysis nm lslength of a slate mm ltdistance between the bending supports to base mm modry mass of a test piece in the water absorption test g mpmass of a
47、 powdered test piece of slate mg mcmass of a powdered test piece used for total carbon in the determination of apparent calcium carbonate content by the conductivity of sodium hydroxide mg mncmass of a powdered test piece for non-carbonate carbon in the determination of apparent calcium carbonate content by the conduc
