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1、BRITISH STANDARD BS EN ISO 10545-8:1996 Ceramic tiles Part 8: Determination of linear thermal expansion The European Standard EN ISO 10545-8:1996 has the status of a British Standard ICS 91.100.20 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:10:11 GMT+00:00 2006, Uncontrolled Copy, (c)
2、BSI BS EN ISO 10545-8:1996 This British Standard, having been prepared under the direction of the Sector Board for Building and Civil Engineering, was published under the authority of the Standards Board and comes into effect on 15 December 1996 BSI 10-1998 The following BSI references relate to the
3、 work on this standard: Committee reference B/539 Draft for comment 92/15379 DC ISBN 0 580 26772 5 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee B/539, Ceramic tiles and other rigid tiling, upon which the following bodi
4、es were represented: Association of Building Engineers British Adhesives and Sealants Association British Ceramic Research Ltd. British Ceramic Tile Council Building Employers Confederation Chartered Institute of Building Concrete Society Contract Flooring Association Department of the Environment (
5、Building Research Establishment) Federation of Master Builders Federation of Resin Formulators and Applicators Institute of Clerks of Works of Great Britain Local Authorities Association London Underground Ltd. Mortar Producers Association National Federation of Clay Industries National Federation o
6、f Terrazzo, Marble and Mosaic Specialists National Master Tile Fixers Association National Tile, Faience and Mosaic Fixers Society Natural Slate Quarries Association Royal Institute of British Architects Stone Federation Amendments issued since publication Amd. No.DateComments Licensed Copy: sheffie
7、ldun sheffieldun, na, Mon Nov 20 03:10:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 10545-8:1996 BSI 10-1998i Contents Page Committees responsibleInside front cover National forewordii Foreword2 1Scope3 2Principle3 3Apparatus3 4Test specimens3 5Procedure3 6Expression of results3 7Test rep
8、ort3 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:10:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS EN ISO 10545-8:1996 ii BSI 10-1998 National foreword This British Standard has been prepared by Technical Committee B/539. It is the English language version of EN ISO 10545-8:1996 Cera
9、mic tiles Part 8: Determination of linear thermal expansion, published by the European Committee for Standardization (CEN). It supersedes BS 6431-15:1983 which will not be withdrawn until BS EN ISO 10545-1 to BS EN ISO 10545-16 have all been published. This Part of BS EN ISO 10545 was originally dra
10、fted by CEN/TC 67, Ceramic tiles, as EN 103, published in 1982, and confirmed in 1991. Subsequently the European Standard was revised by ISO as a Part of ISO 10545 and the International Standard has now been approved by CEN as a Part of EN ISO 10545. The technical changes from the method described i
11、n BS 6431-15 are as follows. The drying oven at (110 5) C can be substituted by a microwave, infrared or other drying system provided that equal results have been shown to be obtained. The test specimens cut from a tile are not less than 50 mm long and the glaze is not ground off glazed tiles wherea
12、s before it was removed. After placing the specimens in the heating apparatus the temperature and length are to be measured at intervals of not more than 15 C during heating to 100 C. The test method in this Part is referred to in the specification for ceramic tiles, ISO 13006, which includes the re
13、quirements for all the tiles standardized in BS 6431-1 to BS 6431-9. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immun
14、ity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, the EN title page, pages 2 and 3 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the am
15、endment table on the inside front cover. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:10:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 10545-8 August 1996 ICS 91.100.20Supersedes EN 103:1991 Descriptors: Ceramics, tiles, tests, de
16、termination, thermal expansion English version Ceramic tiles Part 8: Determination of linear thermal expansion (ISO 10545-8:1994) Carreaux et dalles cramiques Partie 8: Dtermination de la dilatation linique dorigine thermique (ISO 10545-8:1994) Keramische Fliesen und Platten Teil 8: Bestimmung der l
17、inearen thermischen Dehnung (ISO 10545-8:1994) This European Standard was approved by CEN on 1996-01-14. 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
18、. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat 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
19、 under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Net
20、herlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1996 Copyright reserved to CEN members Ref. No. EN ISO 10545-8:
21、1996 E Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:10:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 10545-8:1996 2 BSI 10-1998 Foreword The text of the International Standard from Technical Committee ISO/TC 189, Ceramic tiles, of the International Organization for Standardizatio
22、n (ISO) has been taken over as a European Standard by Technical Committee CEN/TC 67, Ceramic tiles, the secretariat of which is held by UNI. This European Standard replaces EN 103:1991. ISO 10545 consists of the following Parts, under the general title Ceramic tiles. Part 1: Sampling and basis for a
23、cceptance; Part 2: Determination of dimensions and surface quality; Part 3: Determination of water absorption, apparent porosity, apparent relative density and bulk density; Part 4: Determination of modulus of rupture and breaking strength; Part 5: Determination of impact resistance by measurement o
24、f coefficient of restitution; Part 6: Determination of resistance to deep abrasion for unglazed tiles; Part 7: Determination of resistance to surface abrasion for glazed tiles; Part 8: Determination of linear thermal expansion; Part 9: Determination of resistance to thermal shock; Part 10: Determina
25、tion of moisture expansion; Part 11: Determination of crazing resistance for glazed tiles; Part 12: Determination of frost resistance; Part 13: Determination of chemical resistance; Part 14: Determination of resistance to stains; Part 15: Extraction of lead and cadmium from glazed tiles; Part 16: De
26、termination of small colour differences; Part 17: Determination of coefficient of friction. 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 1997, and conflicting national standards shall
27、be withdrawn at the latest by February 1997. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembo
28、urg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:10:11 GMT+00:00 2006, Uncontrolled Copy, (c) BSI EN ISO 10545-8:1996 BSI 10-19983 1 Scope This part of ISO 10545 defines a test method for determining the
29、coefficient of linear thermal expansion of ceramic tiles. NOTE 1ISO 13006:, Ceramic tiles Definitions, classification, characteristics and marking (to be published), provides property requirements for tiles and other useful information on these products. 2 Principle Determination of the linear therm
30、al expansion coefficient for the temperature range from ambient temperature to 100 C. 3 Apparatus 3.1 Suitable thermal expansion apparatus, capable of a rate of heating of (5 1) C/min with uniform distribution of heat to a test specimen. Certain types of apparatus require a soaking time at 100 C. 3.
31、2 Vernier calipers, or other suitable device. 3.3 Drying oven, capable of being operated at (110 5) C. Microwave, infrared or other drying systems may be used provided that it has been determined that equal results are obtained. 3.4 Desiccator. 4 Test specimens Cut two test specimens at right angles
32、 from the central portion of one tile so that their lengths are suitable for the apparatus. The ends of the test specimens shall be ground flat and parallel. If necessary, grind the test specimens so that the length of any side in cross-section is less than 6 mm and the area of cross-section is grea
33、ter than 10 mm2. The minimum length of the test specimens should be 50 mm. In the case of glazed tiles, the glaze shall not be ground off the test specimens. 5 Procedure Dry the test specimens at (110 5) C until they reach constant mass; i.e. when the difference between two successive weighings at i
34、ntervals of 24 h is less than 0,1 %. Allow them to cool in the desiccator (3.4) at ambient temperature. Using vernier calipers (3.2), determine the lengths to an accuracy of 0,002 times the length. Place a test specimen in the apparatus (3.1) and record the ambient temperature. Initially, and throug
35、hout the heating procedure, measure the length to an accuracy of 0,01 mm. Take temperature and length measurements at temperature intervals of no more than 15 C. The rate of heating shall be (5 1) C/min. 6 Expression of results The linear thermal expansion coefficient, l, is expressed in 106 per deg
36、ree Celsius (106/C), to the first decimal place, in accordance with the expression where 7 Test report The test report shall specify the following: a) reference to this part of ISO 10545; b) a description of the tiles, including sample preparation; c) the linear thermal expansion coefficient for bot
37、h test specimens. Lo is the length of the test specimen at the ambient temperature; Lis the increase in length of the test specimen between ambient temperature and 100 C; tis the rise in temperature. l 1 Lo - - L t - -= Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 20 03:10:11 GMT+00:00 2006,
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