EN 684-1995 en Resilient Floor Coverings - Determination of Seam Strength《弹性地面覆盖物 缝合强度测定》.pdf

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1、 CEN ENxb84 95 3404589 0325465 TbO BRITISH STANDARD Resilient floor coverings - Determination of seam strength The European Standard EN 64 : 1995 has the status of a British Standard ICs 91.180 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BS EN 684 : 1996 CEN ENah84 95 = 34

2、04589 OL254hb 9T = Amd. No. Date BS EN 684 : 1996 Text affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee PW60, Resilient floor coverings, upon which the following bodies were represented British Adhesives and seala

3、nts Association British Railways Board British Resilient Flooring Manufacturers? Association British Rubber Manufacturers? Association Ltd. Consumer Policy Committee of BSI Contract Flooring Association Cork Indusry Federation Department of the Environment (British Board of Agreement) Department of

4、the Environment (Building Research Establishment) Institute of Chartered Arbitrators Royal Institute of British Architects Wood Panel Products Federation This British Standard, having been prepared under the direction of the Sector Board for Materials and Chemicals, was published under the authority

5、 of the Standards Board and comes into effect on 15 May 1996 O BSI 1996 The following BSI references relate to the work on this standard: Committee reference PRV60 Draft for comment 9238965 DC ISBN O 680 25571 9 - CEN ENrb84 95 = 3404589 01254b7 833 BS EN 684 : 1996 Contents Page Committees responsi

6、ble Inside front cover National foreword 11 Foreword 2 Method 1 Scope 2 Definition 3 principle 3 3 3 4 Apparatus 3 5 6 Conditioning 7 Procedure Sampling and preparation of test pieces 3 3 3 8 Calculation and expression of results 3 9 Testreport 3 1 principle of test 3 2 Test piece layout 4 Figures O

7、 BSI 1996 i CEN E“a84 95 w 3404589 OL254h8 77T BS EN 684 : 1996 National foreword This Briish Standard has been prepared by Technid Committee PW60 and is the English language version of EN 684 : 1995 Resilientfivr coverings - Determinat.iOn ofseam strength, published by the European Committee for St

8、andardization (CEN). Compliance with a British Standard does not of itself confer immunity from legai obligations. ii O BSI 1996 CEN EN*b84 95 m 3404589 0325469 bob m EUROPEAN STANDARD NORME EUROPENNE EUROPmE NORM _ EN 684 December 1995 ICs 91.180 Descriptors: Floor coverings, welded joints, tests,

9、tension tests, determination, mechanical strength English version Resilient floor coverings- Determination of seam strength Revtements de sol rsilients - De de la rsistance de la soudure Elastkche Bodenbelge - Bestimmung der Nahtfdgkeit This European Standard was approved by CEN on 199511-26. CEN me

10、mbers are bound to comply with the CENKENELEC Intemal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-todate lists and bibliographical references concerning such national standards may be obtained on applicatio

11、n to the Centrai 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 under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the sa

12、me status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardizat

13、ion Comit Europen de Normalisation Europajsches Komitee fiir Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1995 Ail rights of reproduction and communication in any form and by any means reserved in all countries to CEN and its members. Ref. No. EN 684: 1995 E _ CEN ENxb84 95 340

14、4589 0225470 328 Page 2 EN 684: 1995 Foreword This European Standard has been prepared by the Technical Committee CENm 134, Resilient and texile floor coverings, of which the secretariat is held by BSI. This European Standard shall be given the status of a national standard, either by publication of

15、 an identical text or by endorsement, at the latest by June 1996, and contlicting national standards shall be withdrawn at the latest by June 1996. According to the CENKENELEC Internal Regulations, the following countries are bound to implement this European Standard Austria, Belgium, Denmark, Finla

16、nd, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norwa3$ Portugd, Spain, Sweden, Switzerland and the United Kingdom. O ES1 1996 CEN ENab64 95 W 3404569 Olt25471 264 1 Scope This European Standard describes a method for determining the strength of the seams of resilient

17、floor coverings when welded in accordance with the mufacturers instructions. 2 Dennition For the purposes of this standard, the following defjnition applies. Seam strength: The maximum tensile force recorded, for a defmed width, when a floor covering is tested under a constant rate of separation. 3

18、Principle An increasing tensile force is applied to the seam until breakage occurs and the maximum force is recorded (see figure 1). t Tensile force I Figure 1. Principle of test 4 Apparatus A tensile testing machine, which allows a speed of separation of (100 f 5) mndmin, and a recording device. Pa

19、ge 3 EN 684: 1995 5 Sampling and preparation of test pieces 5.1 Sampling Take a representative sample from the available material. 5.2 Preparation of test pieces Take two pieces of a sheet floor covering of minimum length 1 m and minimum width 300 m and weld them together in accordance with the manu

20、facturers instructions. For tiles, weld two tiles together in accordance with the manufacturers instructions. Cut five test pieces of minimum length 150 mm and width (50 I0,5) mm at equal distances across the sample, the distance between the outer edge of the sample and the nearest edge of the test

21、piece being at least 100 mm, with the seam centraily located across each test piece (see figure 2). 6 Conditioning Condition the test pieces at a temperature of (23 12) “C and relative humidity of (50 I 5) % for a minimum of 24 h. Maintain these conditions when carrying out the test, 7 Procedure Pla

22、ce the test piece in the jaws (which are approximately 100 mm apart) of the tensile testing machine so that the seam is at an equal distance from the jaws and tension is applied evenly over the width. Set the machine and its recording device in operation such that the speed of separation is (100 Sr

23、5) dmin. Record the force at break or the maximum force exerted. Repeat the test on the remaining test pieces to obtain five values. 8 Calculation and expression of results Calculate the mean value of the five tests and express the result to the nearest 10 N in N/50 mm. Also record the minimum of th

24、e individual values. 9 Test report The test report shall contain the following information: a) a reference to this standard, i.e. EN 684; b) a complete identification of the product tested, including type, source, colour and manufacturers reference numbers; c) previous history of the sample; d) a de

25、scription of the welding process; e) the mean value of seam strength; f) the minimum value of seam strength; g) the type of failure if not in the seam, e.g. failure due to breaking of test piece; h) any deviation from this standard which may have affected the results. O BSI 1996 CEN ENLb84 95 340458

26、9 0325472 LTO Page 4 EN 684: 1995 1 I I Seam I / Dimension in miiiimetres Figure 2. Test piece layout CEN EN+h84 95 m 3404589 0125473 037 m BS EN 684 : 1996 BSI 389 Chiswick High Road London w4 4AL BSI - British Standards Institution BSI is the independent national body responsible for preparing Bri

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