SIST EN 12326-2:2011
(Main)Slate and stone for discontinuous roofing and external cladding - Part 2: Methods of test for slate and carbonate slate
Slate and stone for discontinuous roofing and external cladding - Part 2: Methods of test for slate and carbonate slate
This part of EN 12326 specifies test methods for slate and carbonate slate for roofing and wall cladding. It is applicable to natural roofing products as defined in EN 12326-1 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.
Schiefer und Naturstein für überlappende Dachdeckungen und Außenwandbekleidungen - Teil 2: Prüfverfahren für Schiefer und carbonathaltige Schiefer
Dieser Teil der Europäischen Norm EN 12326 legt die Prüfverfahren für Schiefer und carbonathaltige Schiefer für Dachdeckungen und Außenwandbekleidungen fest. Sie gilt für die in EN 12326-1 genau bezeichneten Naturprodukte für Dachdeckungen, die für überlappend gedeckte Dächer und Außenwandbekleidungen verwendet werden.
ANMERKUNG Das Wort "Schiefer" bezieht sich in diesem Dokument, falls nicht anders angegeben, auf Schiefer und carbonathaltige Schiefer.
Ardoises et pierres pour toiture et bardage extérieur pour pose en discontinu - Partie 2: Méthodes d’essais pour ardoises et ardoises carbonatées
La présente partie de l'EN 12326 prescrit des méthodes d'essai pour les ardoises et les ardoises carbonatées utilisées pour la toiture et le bardage des bâtiments. Elle est applicable aux éléments de toiture naturels, tels que définis dans l'EN 12326-1, utilisés pour la couverture et le bardage extérieur en discontinu des bâtiments.
NOTE Sauf indication contraire, lorsque le terme « ardoises » est utilisé dans le présent document, il désigne les ardoises et les ardoises carbonatées.
Skrilavec in izdelki iz naravnega kamna za polaganje streh in zidov - 2. del: Preskusne metode za skrilavce in karbonatne skrilavce
Ta del EN 12326 določa preskusne metode za skrilavce in karbonatne skrilavce za polaganje streh in zidov. Velja za izdelke iz naravnega kamna za strehe, kot je opredeljeno v EN 12326-1, ki se uporabljajo za polaganje streh in zidov.
OPOMBA: Kjer se v tem dokumentu uporablja izraz »skrilavec«, pomeni skrilavce in karbonatne skrilavce, razen če je navedeno drugače.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Skrilavec in izdelki iz naravnega kamna za polaganje streh in zidov - 2. del: Preskusne metode za skrilavce in karbonatne skrilavceSchiefer und Naturstein für überlappende Dachdeckungen und Außenwandbekleidungen - Teil 2: Prüfverfahren für Schiefer und carbonathaltige SchieferArdoises et pierres pour toiture et bardage extérieur pour pose en discontinu - Partie 2: Méthodes d’essais pour ardoises et ardoises carbonatéesSlate and stone for discontinuous roofing and external cladding - Part 2: Methods of test for slate and carbonate slate91.100.15Mineralni materiali in izdelkiMineral materials and productsICS:Ta slovenski standard je istoveten z:EN 12326-2:2011SIST EN 12326-2:2011en,fr01-oktober-2011SIST EN 12326-2:2011SLOVENSKI
STANDARDSIST EN 12326-2:2000/A1:2004SIST EN 12326-2:20001DGRPHãþD
SIST EN 12326-2:2011
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE 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 -Part 2: Methods of test for slate and carbonate slate
Ardoises et pierres pour toiture et bardage extérieur pour pose en discontinu - Partie 2: Méthodes d'essais pour ardoises et ardoises carbonatées
Schiefer und Naturstein für überlappende Dachdeckungen und Außenwandbekleidungen - Teil 2: Prüfverfahren für 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-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 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, Estonia, 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
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR 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: ESIST EN 12326-2:2011
EN 12326-2:2011 (E) 2 Contents Page Foreword .51Scope .62Normative references .63Terms, definitions and symbols .63.1Terms and definitions .63.2Symbols .64Surveillance sampling procedure .95Determination of the length and width and the deviation from the specified length and width . 105.1Principle . 105.2Apparatus . 115.3Preparation of test pieces . 115.4Procedure . 115.5Expression of the results . 115.6Test report . 116Determination of the amount by which the edges deviate from a straight edge . 116.1Principle . 116.2Apparatus . 116.3Preparation of test pieces . 126.4Procedure . 126.5Expression of the results . 126.6Test report . 127Determination of the rectangularity of slates . 137.1Principle . 137.2Apparatus . 137.3Preparation of test pieces . 137.4Procedure . 137.5Expression of the results . 137.6Test report . 148Determination of the thickness of individual slates. 148.1Principle . 148.2Apparatus . 148.3Preparation of test pieces . 148.4Procedure . 148.5Expression of results . 158.6Test report . 169Determination of the deviation from flatness . 169.1Principle . 169.2Apparatus . 169.3Preparation of test pieces . 179.4Procedure . 179.5Expression of results . 179.6Test report . 1810Determination of the modulus of rupture, and characteristic modulus of rupture . 1810.1Principle . 1810.2Apparatus . 1810.3Preparation of test pieces . 18SIST EN 12326-2:2011
EN 12326-2:2011 (E) 3 10.4Procedure . 1910.5Expression of the results. 2010.6Test report . 2011Water absorption test . 2111.1Principle. 2111.2Reagents. 2111.3Apparatus . 2111.3.1Oven, ventilated and capable of maintaining a temperature of (110 ± 5) °C. . 2111.3.2Water cooled diamond saw. . 2111.3.3Balance, capable of weighing to 0,002 g. 2111.3.4Water bath, containing water as specified in 11.2.1 and capable of being maintained at (23 ± 5) °C. . 2111.3.5Absorbent cloth. . 2111.4Preparation of test pieces. 2111.5Procedure . 2111.6Expression of the results. 2211.7Test report . 2212Freeze-thaw test . 2312.1Principle. 2312.2Reagent. 2312.3Apparatus . 2312.4Preparation of test pieces. 2312.5Procedure . 2312.6Expression of results and test report . 2413Determination of the apparent calcium carbonate and non carbonate carbon content by catalytic thermal decomposition . 2413.1Principle. 2413.2Reagents. 2513.2.1Tungsten/tin accelerator. . 2513.2.2Iron chips. 2513.2.3Platinum catalyst. . 2513.3Apparatus . 2513.4Preparation of powdered test pieces . 2513.5Procedure . 2513.5.1Determination of the total carbon content CT . 2513.5.2Determination of the non carbonate carbon content Cnc . 2513.6Expression of results . 2613.7Test report . 2614Sulfur dioxide exposure tests . 2714.1Sulfur dioxide exposure test for slates with a carbonate content less than or equal to 20 % (mass percentage) . 2714.1.1Principle. 2714.1.2Reagents. 2714.1.3Apparatus . 2714.1.4Preparation of test pieces. 2714.1.5Procedure . 2714.1.6Test report . 2814.2Sulfur dioxide exposure test for slates with a calcium carbonate content more than 20 % (mass percentage) . 2814.2.1Principle. 2814.2.2Reagents. 2814.2.3Apparatus . 2814.2.4Preparation of test pieces. 2914.2.5Procedure . 2914.2.6Expression of results . 3514.2.7Test report . 3615Thermal cycle test . 36SIST EN 12326-2:2011
EN 12326-2:2011 (E) 4 15.1Principle . 3615.2Reagents . 3615.3Apparatus . 3615.4Preparation of test pieces . 3615.5Procedure . 3615.6Test report . 3716Petrographic examination . 3716.1Introduction . 3716.2Principle . 3716.3Apparatus . 3716.4Reagents . 3816.4.1Alumina polishing paste: . 3816.5Preparation of test pieces . 3816.5.1Thin sections . 3816.5.2Polished sections . 3816.5.3X-ray diffraction specimens . 3916.6Procedure . 3916.6.1Macroscopic examination . 3916.6.2Microscopical examination . 4016.7Expression of results . 4116.8Test report . 41Annex A (informative)
Petrographic interpretation . 42A.1Connection between the micas (Figure A.1 (a) and (b)) . 42A.2Bedding and cleavage, angle of intersection (Figures A.1 (c) to (q)) . 42Annex B (informative)
Petrographic examination of origin and identification of slate . 44B.1Identification of slate . 44B.2Origin . 44B.3Report . 45Bibliography . 46 SIST EN 12326-2:2011
EN 12326-2:2011 (E) 5 Foreword This document (EN 12326-2:2011) has been prepared by Technical Committee CEN/TC 128 “Roof covering 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 national 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 supersedes 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 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 CEN/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, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. SIST EN 12326-2:2011
EN 12326-2:2011 (E) 6 1 Scope This European Standard specifies test methods for slate and carbonate slate for roofing and wall cladding. 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 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 document (including any amendments) applies. EN 12326-1:2004, Slate and stone products for discontinuous 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 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 taken 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 Physical quantity Unit Aw water absorption % a rate of application of stress in the bend strength test (N/mm2)/s SIST EN 12326-2:2011
EN 12326-2:2011 (E) 7 b width of a slate or a test piece mm C’a apparent mass percentage calcium carbonate in slate % Cc carbonate carbon content of slate % cC mean carbonate carbon content of a slate % Cd carbon dioxide content of a test piece or standard preparation % CT total carbon in a slate % Cnc non-carbonate carbon in a slate % e thickness of a slate mm em mean of three thickness measurements used to determine the rate of application of load in the bend strength test mm emax maximum 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 ei mean of 8 thickness measurements in the modulus of rupture test mm Ed maximum deviation of the thickness of a slate from the mean thickness % es thickness of the softened layer in the SO2 exposure test mm e1A to e4A individual thickness measurements in the SO2 exposure test mm E1 conductivity reading for total carbon S/m E2 conductivity reading for non-carbonate carbon S/m f gas volume reduction factor of the pump in the determination of non-carbonate carbon content by coulometry - f’ gas volume reduction factor of the pump in the blank determination of non-carbonate content by coulometry - f1f2 means of three dial gauge readings in the flatness test mm fd deviation from flatness of a slate mm Fd deviation from flatness of a slate as a percentage 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-carbonate carbon content by coulometry - SIST EN 12326-2:2011
EN 12326-2:2011 (E) 8 λKα wavelength of the α radiation used in the x-ray diffraction analysis nm ls length of a slate mm lt distance between the bending supports to base mm mo dry mass of a test piece in the water absorption test g mp mass of a powdered test piece of slate mg mc mass of a powdered test piece used for total carbon in the determination of apparent calcium carbonate content by the conductivity of sodium hydroxide
mg mnc mass of a powdered test piece for non-carbonate carbon in the determination of apparent calcium carbonate content by the conductivity of sodium hydroxide mg ms mass of calcium carbonate used in the determination of apparent calcium carbonate content by conductivity of sodium hydroxide mg mw wet mass of a test piece in the water absorption test g m1 total carbon content in the determination of apparent calcium carbonate content by catalytic thermal decomposition
% m2 content of non-carbonate carbon in the determination of apparent calcium carbonate content by catalytic thermal decomposition
% m3 content of carbonate carbon in the determination of apparent calcium carbonate content by catalytic thermal decomposition % n number of slates subject to a test - Pi failure load of individual slates in the bending strength test N rd individual measurements of the deviation of a slate from a rectangle mm rdmax maximum deviation of a slate from a rectangle mm Rd deviation of a test slate from a rectangle as a percentage of its length % R Ri modulus of rupture of test slates N/mm2 R sample mean modulus of rupture of test slates N/mm2 Rl sample mean modulus of rupture of test slates measured in the longitudinal orientation N/mm2 Rt sample mean modulus of rupture of test slates measured in the transverse orientation N/mm2 Rc characteristic modulus of rupture of test slates N/mm2 R1 sample mean modulus of
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