BS EN 12808-5-2008 Grouts for tiles - Determination of water absorption《瓷砖用水泥浆 吸水率的测定》.pdf

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1、BS EN12808-5:2008ICS 91.100.10NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBRITISH STANDARDGrouts for tilesPart 5: Determination of waterabsorptionThis British Standardwas published underthe authority of theStandards Policy andStrategy Committee on 30November 2008 BSI 2008IS

2、BN 978 0 580 61259 6Amendments/corrigenda issued since publicationDate CommentsBS EN 12808-5:2008National forewordThis British Standard is the UK implementation of EN 12808-5:2008. Itsupersedes BS EN 12808-5:2002 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCo

3、mmittee B/539, Ceramic tiles and other rigid tiling.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application.Compliance wi

4、th a British Standard cannot confer immunityfrom legal obligations.BS EN 12808-5:2008EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 12808-5October 2008ICS 91.100.10 Supersedes EN 12808-5:2001 English VersionGrouts for tiles - Part 5: Determination of water absorptionMortiers de joints pour carrel

5、age - Partie 5: Dterminationde labsorption deauMrtel und Klebstoffe fr Fliesen und Platten - Teil 5:Bestimmung der WasseraufnahmeThis European Standard was approved by CEN on 29 August 2008.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for g

6、iving 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 application to the CEN Management Centre or to any CEN member.This European Standard exists in three official ver

7、sions (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 the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium,

8、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 United Kingdom.EUROPEAN COMMITTEE FOR STANDAR

9、DIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12808-5:2008: EBS EN 12808-5:2008EN 12808-5:2008 (E) 2 Co

10、ntents Page Foreword3 1 Scope 4 2 Normative references 4 3 Sampling.4 4 Test conditions 4 5 Test materials.4 6 Apparatus .4 7 Mixing of grouts.5 8 Preparation of test specimens .5 9 Conditioning.6 10 Test procedure.6 11 Evaluation and expression of results6 12 Test report 6 BS EN 12808-5:2008EN 1280

11、8-5:2008 (E) 3 Foreword This document (EN 12808-5:2008) has been prepared by Technical Committee CEN/TC 67 “Ceramic tiles”, the secretariat of which is held by UNI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement,

12、at the latest by April 2009, and conflicting national standards shall be withdrawn at the latest by April 2009. 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 o

13、r all such patent rights. This document supersedes EN 12808-5:2001. This document is one of a series of European Standards for ceramic tile adhesives including: EN 1308, Adhesives for tiles - Determination of slip EN 1323, Adhesives for tiles - Concrete slabs for tests EN 1324, Adhesives for tiles -

14、 Determination of shear adhesion strength of dispersion adhesives EN 1346, Adhesives for tiles - Determination of open time EN 1347, Adhesives for tiles - Determination of wetting capability EN 1348, Adhesives for tiles - Determination of tensile adhesion strength for cementitious adhesives EN 12002

15、, Adhesives for tiles - Determination of transverse deformation for cementitious adhesives and grouts EN 12003, Adhesive for tiles - Determination of shear adhesion strength of reaction resin adhesives EN 12004, Adhesives for tiles Requirements, evaluation of conformity, classification and designati

16、on EN 12808-1, Grouts for tiles Part 1: Determination of chemical resistance of reaction resin mortars EN 12808-2, Grouts for tiles Part 2: Determination of resistance to abrasion EN 12808-3, Grouts for tiles Part 3: Determination of flexural and compressive strength EN 12808-4, Grouts for tiles Par

17、t 4: Determination of shrinkage EN 12808-5, Grouts for tiles Part 5: Determination of water absorption 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, Cyprus,

18、 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 12808-5:2008EN 12808-5:2008 (E) 4

19、1 Scope This European Standard applies to all ceramic tile grouts for internal and external tile installations on walls and floors. This European Standard specifies the test method to be used to determine the water absorption coefficient due to capillary action when the grout surface contacts the wa

20、ter without any additional pressure. The coefficient is measured by means of prisms. This European Standard does not contain performance requirements or recommendations for the design and installation of ceramic tiles. NOTE Ceramic tile grouts may also be used for other types of tiles (natural and a

21、gglomerated stones, etc.), where these do not adversely affect the stones. 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 referen

22、ced document (including any amendments) applies. EN 196-1:2005, Method of testing cement Part 1: Determination of strength EN 1067, Adhesives - Examination and preparation of samples for testing EN ISO 15605, Adhesives Sampling (ISO 15605:2000) 3 Sampling Take a sample of at least 2 kg of the produc

23、t to be tested in accordance with EN ISO 15605 and EN 1067. 4 Test conditions Standard conditions shall be (23 2) C and (50 5) % R.H. and a speed of air in the working area less than 0,2 m/s. 5 Test materials Condition all test materials for at least 24 h under standard conditions. 6 Apparatus 6.1 T

24、hree gang mould with ground surfaces, made of steel, used for the preparation of 40 mm x 40 mm x 160 mm prisms, in accordance with Clause 4.5 of EN 196-1:2005. 6.2 Jolting apparatus or jolting table used for the compaction of 40 mm x 40 mm x 160 mm grout specimen, in accordance with Clause 4.6 of EN

25、 196-1:2005. 6.3 Tray with a flat base, large enough to contain three test specimens. BS EN 12808-5:2008EN 12808-5:2008 (E) 5 7 Mixing of grouts The amount of water and/or liquid admix required for preparing the cementitious grout shall be as stated by the manufacturer in parts by weight, i.e. liqui

26、d to dry powder. Prepare at least 2 kg of the grout in a mixer of the type described in Clause 4.4 of EN 196-1:2005, using the slow speed settings, (140 5) r/min rotation and (62 5) r/min planetary movement. Carry out the following procedure: pour the liquid into the pan; scatter the dry powder over

27、 the liquid; mix for 30 s; take out the mixing paddle; scrape down the paddle and pan within 1 min; replace the paddle and mix for 1 min. Let the grout mature if and as specified in the manufacturers instructions, and then mix for a further 15 s. In the case of reaction resin grouts follow the manuf

28、acturers instructions. 8 Preparation of test specimens Insert a 1 mm thick, rigid, plastic (e.g. PTFE) or metal divider into each compartment of the mould, approximately in the middle, parallel to the ends. Mould the specimens immediately after the preparation of the grout, with the mould firmly cla

29、mped to the jolting table. Introduce, using a suitable scoop, the first of two layers of grout into each of the compartments, directly from the mixing bowl. Spread the layer uniformly, then compact using 60 jolts. Introduce the second layer of grout, level and compact with a further 60 jolts. Lift t

30、he mould gently from the jolting table, strike off excess of material and smooth the surface with a flat trowel. Wipe off the grout left on the perimeter of the mould. Cover the mould with a glass plate according to EN 196-1. Place the mould, suitably identified, on a horizontal base in standard con

31、ditions, (23 2) C and (50 5) % R.H. After 24 h carefully remove the specimen from the mould. Keep the demoulded prisms for 27 days in standard conditions leaving a clearance of at least 25 mm on all sides. Prepare six specimens for each grout. BS EN 12808-5:2008EN 12808-5:2008 (E) 6 9 Conditioning T

32、he test units are conditioned for 27 days in standard conditions, (23 2) C and (50 5) % R.H. 10 Test procedure After 21 days from manufacture seal the side faces by means of a neutral curing silicone sealant so as to be water impermeable. After 28 days from manufacture, weigh, with 0,1 g precision,

33、each test sample and then place them in the tray, with the upper surface down, immersed in water, 5 mm to 10 mm deep, taking care to prevent the prism faces from coming in contact with each other. Maintain the water level constant by adding water when necessary. After 30 min remove the test samples

34、from water, quickly dry them by blotting with a dampened cloth and immediately weigh. Replace in the tray and repeat the procedure after 210 min. 11 Evaluation and expression of results Calculate the water absorption, in grams, after 30 min and 240 min of each sample using the following formula: dtm

35、m =mtW where: Wmt is the water absorption, in grams; md is the mass of the dry specimen, in grams; mtis the mass of the specimen after immersion, in grams. Calculate the mean of at least three test samples. 12 Test report The test report shall provide the following information: a) number, title and

36、issue of this European Standard; b) place and date of sampling; c) type of grout, commercial designation and manufacturer name; d) identification of the test sample; e) handling and storage of samples before testing; f) test conditions; g) date of testing; h) amount of water or liquid used for prepa

37、ring the grout; i) test results (water absorption, individual and mean values after 30 min and 240 min); j) any other factor that could have influenced the result. BS EN 12808-5:2008This page has been intentionally left blank BS EN12808-5:2008BSI GroupHeadquarters 389Chiswick High Road,London, W4 4A

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