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    BS EN 12316-2-2013 Flexible sheets for waterproofing Determination of peel resistance of joints Plastic and rubber sheets for roof waterproofing《防水软板 连接防剥离的测定 防水塑料和橡胶薄板》.pdf

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    BS EN 12316-2-2013 Flexible sheets for waterproofing Determination of peel resistance of joints Plastic and rubber sheets for roof waterproofing《防水软板 连接防剥离的测定 防水塑料和橡胶薄板》.pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 12316-2:2013Flexible sheets forwaterproofing Determination of peelresistance of jointsPart 2: Plastic and rubber sheets for roofwaterproofingCopyright European Committee fo

    2、r Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12316-2:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 12316-2:2013.It supersedes BS EN 12316-2:2000 which is w

    3、ithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee B/546, Flexible sheets for waterproofing and watervapour control.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the

    4、necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 80228 7ICS 91.100.50Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard

    5、was published under the authority of theStandards Policy and Strategy Committee on 30 June 2013.Amendments issued since publicationDate Text affectedCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without li

    6、cense from IHS-,-,-BS EN 12316-2:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12316-2 June 2013 ICS 91.100.50 Supersedes EN 12316-2:2000English Version Flexible sheets for waterproofing - Determination of peel resistance of joints - Part 2: Plastic and rubber sheets for roof waterproofin

    7、g Feuilles souples dtanchit - Dtermination de la rsistance au pelage des joints - Partie 2 : Feuilles dtanchit de toiture plastiques et lastomres Abdichtungsbahnen - Bestimmung des Schlwiderstandes der Fgenhte - Teil 2: Kunststoff- und Elastomerbahnen fr Dachabdichtungen This European Standard was a

    8、pproved by CEN on 28 March 2013. 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 nation

    9、al 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 languag

    10、e 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, H

    11、ungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Manag

    12、ement Centre: Avenue Marnix 17, B-1000 Brussels 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12316-2:2013: ECopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproductio

    13、n or networking permitted without license from IHS-,-,-BS EN 12316-2:2013EN 12316-2:2013 (E) 2 Contents Page Foreword 3 Introduction .4 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 Principle 5 5 Apparatus .5 6 Sampling .6 7 Preparation of test pieces and test specimens 7 8 Procedu

    14、re .7 9 Expression of results 8 10 Test report 9 Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12316-2:2013EN 12316-2:2013 (E) 3 Foreword This document (EN 12316-2:2013)

    15、has been prepared by Technical Committee CEN/TC 254 “Flexible sheets for waterproofing”, the secretariat of which is held by NEN. 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 2013, and

    16、 conflicting national standards shall be withdrawn at the latest by December 2013. 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. Thi

    17、s document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. This document supersedes EN 12316-2:2000. This document has been technically and editorially revised to include the following: introduction of failure modes and how to handle

    18、 results with different modes; estimation of precision. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Fin

    19、land, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Copyright European Committee fo

    20、r Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12316-2:2013EN 12316-2:2013 (E) 4 Introduction This European Standard is intended for characterisation of plastic and rubber sheets as manufactured or supp

    21、lied before use. This test method relates to products, or to their components where appropriate, and not to waterproofing membrane systems composed of such products and installed in the works. This test is intended to be used in conjunction with European Standards for plastic and rubber sheets for w

    22、aterproofing. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12316-2:2013EN 12316-2:2013 (E) 5 1 Scope This European Standard specifies a method for determining the resist

    23、ance to peeling of joints between two adjacent sheets of the same plastic or rubber sheets for waterproofing. This test method will be used mainly for testing the joints in mechanically fastened plastic or rubber sheets for waterproofing. The peel strength characterises the optimum joint strength wh

    24、ich can be reached for a membrane and a joint technique under laboratory conditions. On roofs the joint strength could be clearly reduced due to the non-optimal conditions (e.g. pressure, temperature, humidity, pollution, workmanship). The requirement for the joint technique at the site is to ensure

    25、 a permanently tight joint. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced d

    26、ocument (including any amendments) applies. EN ISO 7500-1, Metallic materials Verification of static uniaxial testing machines Part 1: Tension/ compression testing machines Verification and calibration of the force-measuring system (ISO 7500-1) EN 13416, Flexible sheets for waterproofing Bitumen, pl

    27、astic and rubber sheets for roof waterproofing Rules for sampling 3 Terms and definitions For the purpose of this document, the following terms and definitions apply. 3.1 peel resistance tensile force required to completely separate a prepared joint test specimen by peeling 4 Principle The principle

    28、 of the test is to pull a test specimen to peel a joint at a constant speed until it breaks. The tensile force is continuously recorded throughout the test. 5 Apparatus Tensile testing machine equipped with a continuous recording of force and corresponding extension and capable of maintaining unifor

    29、m speed of grip separation as specified below. Tensile testing machine shall have a sufficient loading capacity and a grip separation speed of (100 10) mm/min. The width of grips shall not be less than 50 mm. The tensile testing machine shall be equipped with grips of a type which maintain or increa

    30、se the clamping pressure as a function of the increase of the force applied to the test specimen. The test specimen shall be held so that it does not slip in the grips more than 2 mm. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction

    31、 or networking permitted without license from IHS-,-,-BS EN 12316-2:2013EN 12316-2:2013 (E) 6 The method of gripping shall not induce premature rupture close to the grips. The force measuring system shall meet at least Class 2 of EN ISO 7500-1 (i.e. 2%). 6 Sampling Samples shall be taken in accordan

    32、ce with EN 13416. Dimensions in millimetres Key w width of joint Figure 1 - Preparation of specimen from specially made side and end laps Dimensions in millimetres Key 1 grip w width of joint Figure 2 - Peel strength testing of side and end laps Copyright European Committee for Standardization Provi

    33、ded by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12316-2:2013EN 12316-2:2013 (E) 7 7 Preparation of test pieces and test specimens Test pieces of the sheet are joined by the method(s) to be used for installation as recommended

    34、by the manufacturer. After jointing, the test piece shall be conditioned for a minimum of 16 h at (23 2) C before testing unless the manufacturer recommends differently. From each of these joint test pieces, five rectangular test specimens (50 1) mm wide shall be cut, perpendicular to the joint (see

    35、 Figure 1). They shall have such a length, that the ends of the specimen fill the grips and that the complete overlap can be tested perpendicular to joint (see Figure 2). Rectangular joint test specimens shall be prepared representing all possibilities of jointing according to the way(s) to be used

    36、for installation. The number of specimens tested is five per set. 8 Procedure The test specimen shall be firmly held in the grips of the tensile testing machine, taking care that the longitudinal axis of the test specimen, the axis of the tensile testing machine and the grips are correctly aligned.

    37、The clear distance between the grips shall be (100 5) mm (see Figure 2). No preload will be applied. The test is carried out on a test specimen at a temperature of (23 2) C and at a constant separating speed for the grips of (100 10) mm/min. The applied force and extension shall be recorded continuo

    38、usly until the test specimen separates. The mode of failure of the joint shall be recorded. The modes of failure are classified in three classes A, B, C or combinations of them (see Figure 3). A - Peeling of the joint B - Break outside of the joint Copyright European Committee for Standardization Pr

    39、ovided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12316-2:2013EN 12316-2:2013 (E) 8 C - Delamination of sheet. In this case the area of delamination has to be more than 5 % of the joint area. Figure 3 Mode of failure 9 Expres

    40、sion of results 9.1 Jointing information State all relevant information on the formation and the conditioning of the joint. 9.2 Evaluation 9.2.1 General A force extension graph shall be drawn up. Disregard any test result where the test specimen breaks less than 10 mm from the grips or slips by more

    41、 than the permitted limit within the grips of the tensile testing machine, and retest with a replacement specimen. The mode of failure of each specimen has to be reported in accordance to Clause 8. An average of all specimens can only be calculated if the failure mode is identical for all specimens.

    42、 If different failure modes occur, only evaluation in accordance to the main failure mode has to be reported. 9.2.2 Maximum peel resistance If a majority of the specimens do not show failure mode A (i.e. a majority of the specimens show either failure mode B or C or combination of both) and the maxi

    43、mum force detected is more than 100 N/50 mm, then the maximum peel resistance has to be evaluated. In this case, no value for the resistance should be reported. Only the classification “no failure of the joint” has to be reported. This is the best possible joint. This evaluation applies if, for a ma

    44、jority of the specimens, “no failure of the joint” occurs. 9.2.3 Average peel resistance (relevant only if peel fully occurs) If a majority of the specimens show failure mode A, then the average peel resistance has to be evaluated. At least the first and last quarter of the graph shall not be includ

    45、ed when calculating the average peel resistance of the test specimen. An average value of the force is calculated on the remaining section by determination of ten equidistant values and is expressed as N/50 mm (see Figure 4). Copyright European Committee for Standardization Provided by IHS under lic

    46、ense with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12316-2:2013EN 12316-2:2013 (E) 9 Key 1 maximum peel force a points to be evaluated Y force axis X extension axis Figure 4 - Graph for calculating the peel resistance (example) The purpose of the ev

    47、aluation method specified here is to calculate an average peel resistance value, which corresponds to the mean value of the forces acting on the test specimen at certain specified times during testing. This method also permits an evaluation to be carried out if the graphs do not feature any distinct

    48、ive peaks. This can occur when testing some bonded materials. It should be noted that the results could vary, depending on the direction in which the test specimens are taken. 9.3 Calculations If a majority of the specimens show failure mode A then calculate the results for specimens with failure mode A, the peel resistance as the mean (using the maximum or average peel force as occurs for each specimen) expressed in N/50 mm. State the peel resistance to the nearest Newton with the corresponding standard deviation. If the maximum peel resistan


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