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本文(DIN EN 12808-3-2009 Grouts for tiles - Determination of flexural and compressive strength English version of DIN EN 12808-3 2009-01《瓷砖用胶粘剂 抗弯和抗压强度的测定》.pdf)为本站会员(livefirmly316)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

DIN EN 12808-3-2009 Grouts for tiles - Determination of flexural and compressive strength English version of DIN EN 12808-3 2009-01《瓷砖用胶粘剂 抗弯和抗压强度的测定》.pdf

1、January 2009DEUTSCHE NORM English price group 8No part of this standard 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).ICS 83.180; 91.100.10!$U=e“

2、1502666www.din.deDDIN EN 12808-3Grouts for tiles English version of DIN EN 12808-3:2009-01Klebstoffe und Fugenmrtel fr Fliesen und Platten Teil 3: Bestimmung der Biege- und DruckfestigkeitEnglische Fassung DIN EN 12808-3:2009-01SupersedesDIN EN 12808-3:2002-04www.beuth.deDocument comprises 11 pagesD

3、etermination of flexural and compressive strengthPart 3:DIN EN 12808-3:2009-01 2 National foreword This standard has been prepared by Technical Committee CEN/TC 67 “Ceramic tiles” (Secretariat: UNI, Italy). The responsible German body involved in its preparation was the Normenausschuss Bauwesen (Bui

4、lding and Civil Engineering Standards Committee), Technical Committee NA 005-09-82 AA Keramische Fliesen und Platten (Sp CEN/TC 67, ISO/TC 189). Amendments This standard differs from DIN EN 12808-3:2004-04 as follows: a) The standard has been revised in form and substance. Previous editions DIN EN 1

5、2808-3: 2002-04 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12808-3 October 2008 ICS 83.180; 91.100.10 Supersedes EN 12808-3:2001 English Version Grouts for tiles - Part 3: Determination of flexural and compressive strength Mortiers de joints pour carrelage - Partie 3: Dtermination de la rs

6、istance la flexion et la compression Klebstoffe und Fugenmrtel fr Fliesen und Platten - Teil 3: Bestimmung der Biege- und Druckfestigkeit This 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 condit

7、ions 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 Management Centre or to any CEN member. This European Standard exists in three

8、 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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Au

9、stria, Belgium, 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 CO

10、MMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2008 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12808-3:2008: EEN 12808-3:2008 (E

11、) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Sampling.4 4 Test conditions 4 5 Test materials.4 6 Apparatus .4 7 Procedure .5 7.1 Mixing of grouts.5 7.2 Preparation of test specimens .5 7.3 Flexural strength under standard conditions .6 7.4 Compressive strength under standard cond

12、itions 6 7.5 Flexural and compressive strength after freeze-thaw cycles .6 8 Evaluation of results .6 8.1 Flexural strength6 8.2 Compressive strength.7 9 Test report 7 Bibliography 9 DIN EN 12808-3:2009-01 EN 12808-3:2008 (E) 3 Foreword This document (EN 12808-3:2008) has been prepared by Technical

13、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, at the latest by April 2009, and conflicting national standards shall be withdrawn at t

14、he 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 or all such patent rights. This document supersedes EN 12808-3:2001. This document is on

15、e 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 - Determination of shear adhesion strength of dispersion adhesives EN 1346, Adhesives fo

16、r 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, Adhesives for tiles - Determination of transverse deformation for cementitious adhesi

17、ves 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 designation EN 12808-1, Grouts for tiles Part 1: Determination of chemical resistance of reactio

18、n 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 Part 4: Determination of shrinkage EN 12808-5, Grouts for tiles Part 5: Determination of w

19、ater 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, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,

20、Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. DIN EN 12808-3:2009-01 EN 12808-3:2008 (E) 4 1 Scope This European Standard applies to all ceramic tile grouts for internal and

21、 external tile installations on walls and floors. This European Standard describes the test method to be used to determine the compressive and flexural strength of ceramic tile grouts. This European Standard does not contain performance requirements or recommendations for the design and installation

22、 of ceramic tiles. NOTE Ceramic tile grouts may also be used for other types of tiles (natural and agglomerated 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 r

23、eferences, only the edition cited applies. For undated references, the latest edition of the referenced 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 IS

24、O 15605, Adhesives Sampling (ISO 15605:2000) 3 Sampling Take a sample of at least 2 kg of the product 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 m

25、aterials Condition all test materials for at least 24 h under standard conditions. 6 Apparatus 6.1 Three gang mould shall consist of three horizontal compartments so that three prismatic specimens 40 mm x 40 mm x 160 mm can be prepared simultaneously (see EN 196-1:2005, Clause 4.5). 6.2 Jolting appa

26、ratus or jolting table used for the compaction of 40 mm x 40 mm x 160 mm grout specimen; shall comply with Clause 4.6 of EN 196-1:2005. DIN EN 12808-3:2009-01 EN 12808-3:2008 (E) 5 6.3 Flexural strength testing machine shall be capable of applying the load with suitable capacity and sensitivity for

27、the test. The machine shall be provided with a flexure device in accordance with Clause 4.7 of EN 196-1 (see Figure 1). 6.4 Compressive strength testing machine shall comply with Clause 4.8 of EN 196-1:2005. The test requires the use of a jig (in accordance with Clause 4.9 of EN 196-1:2005) to be in

28、corporated in the lower platen; the upper platen receives the load from the machine through an intermediate spherical seating (see Figure 2). 7 Procedure 7.1 Mixing of grouts The amount of water and/or liquid admix required for preparing the cementitious grout shall be as stated by the manufacturer

29、in parts by weight, i.e. liquid 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 pa

30、n; scatter the dry powder over 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

31、 resin grouts follow the manufacturers instructions. 7.2 Preparation of test specimens Mould the specimens immediately after the preparation of the grout, with the mould firmly clamped to the jolting table. Introduce, using a suitable scoop, the first of two layers of grout into each of the compartm

32、ents, 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 the mould gently from the jolting table, strike off excess of material and smooth the surface with a flat trowel. Wipe of

33、f the grout left on the perimeter of the mould. Cover the mould with a plate glass sheet according to EN 196-1. Place the mould, suitably identified, on a horizontal base in standard conditions, (23 2) C and (50 5) % R.H. After 24 h carefully remove the specimen from the mould. DIN EN 12808-3:2009-0

34、1 EN 12808-3:2008 (E) 6 Keep the demoulded prism in standard conditions for 27 days, leaving a clearance of at least 25 mm on all sides. Prepare three specimen for each grout. 7.3 Flexural strength under standard conditions After conditioning has been completed place the prism in the testing machine

35、 (6.3) with one side face on the supporting rollers and with the longitudinal axis normal to the support. Apply the load vertically in accordance with the procedure described in Clause 9.1 of EN 196-1:2005. Keep the prism halves in standard conditions until tested in compression. 7.4 Compressive str

36、ength under standard conditions Test the prism halves broken in flexion, by means of the equipment specified in 6.4 and following the procedure described in Clause 9.2 of EN 196-1:2005. 7.5 Flexural and compressive strength after freeze-thaw cycles Prepare the test units in accordance with 7.2. Cond

37、ition the test units for 6 days in standard conditions and then immerse in water for 21 days before carrying out 25 freeze-thaw cycles, in accordance with the following procedure. For each freeze-thaw cycle: remove the test units from the water and lower the temperature to (- 15 3) C within 2 h 20 m

38、in; maintain the test units at (- 15 3) C for 2 h 20 min; immerse the test units in water at (20 3) C and raise the temperature of water to (15 3) C for at least 2 h 20 min. Repeat the cycle 25 times. Condition the test units for 3 days in standard conditions after the last cycle and prior to test e

39、xamine them and record a brief description of surface appearance of the specimen. Determine the flexural strength in accordance with 7.3 and the compressive strength in accordance with 7.4. 8 Evaluation of results 8.1 Flexural strength The flexural strength (Rf) is calculated from: N/mmbLF5,13f=fR (

40、1) where: b is the length of the side of the square section of the prism, in millimetres; Ffis the load applied to the middle of the prism at fracture, in newtons; DIN EN 12808-3:2009-01 EN 12808-3:2008 (E) 7 L is the distance between the supports, in millimetres. Calculate the mean of the three det

41、erminations to the nearest 0,1 N /mm2. 8.2 Compressive strength The compressive strength (Rc) is calculated from: N/mm6001Fc=cR (2) where: Fcis the maximum load at fracture, in newtons; 1 600 = 40 mm x 40 mm is the area of the platens or auxiliary plates, in square millimetres. Calculate the mean of

42、 the six results obtained from the test to the nearest 0,1 N / mm2. 9 Test report The test report shall provide the following information: a) number, title and issue of this European Standard; b) place and date of sampling; c) type of grout, commercial designation and manufacturer name; d) identific

43、ation 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 preparing the grout; i) result of the visual inspection of the specimen before testing; j) test results (individual and mean values) for each con

44、dition in newtons per square millimetres (N/mm2); k) any other factor that could have influenced the result. DIN EN 12808-3:2009-01 EN 12808-3:2008 (E) 8 Dimensions in millimetres Figure 1 Arrangement of loading for determination of flexural strength Key 1 Ball bearings 2 Sliding assembly 3 Return s

45、pring 4 Spherical seating of machine 5 Upperplaten of machine 6 Spherical seating of the jig 7 Upperplaten of the jig 8 Specimen 9 Lower plate 10 Lower platen of the jig 11 Lower platen of the machine Figure 2 Typical jig for compressive strength testing DIN EN 12808-3:2009-01 EN 12808-3:2008 (E) 9 Bibliography 1 EN 1348, Adhesives for tiles - Determination of tensile adhesion strength for cementitious adhesives DIN EN 12808-3:2009-01

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