BS EN 14223-2017 Flexible sheets for waterproofing Waterproofing of concrete bridge decks and other concrete surfaces trafficable by vehicles Determination of water absorption《防水用软.pdf

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1、BS EN 14223:2017Flexible sheets forwaterproofing Waterproofing of concretebridge decks and otherconcrete surfaces trafficable byvehicles Determination ofwater absorptionBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 14223:2017 BRITISH STANDARDNational foreword

2、This British Standard is the UK implementation of EN 14223:2017. It supersedes BS EN 14223:2005 which is withdrawn.The UK participation in its preparation was entrusted to Technical Committee B/546, Flexible sheets for waterproofing and water vapour control.A list of organizations represented on thi

3、s committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017.Published by BSI Standards Limited 2017ISBN 978 0 580 94818 3 ICS

4、 91.100.50 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2017.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 14223:20

5、17EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14223 March 2017 ICS 91.100.50 Supersedes EN 14223:2005English Version Flexible sheets for waterproofing - Waterproofing of concrete bridge decks and other concrete surfaces trafficable by vehicles - Determination of water absorptionFeuilles sou

6、ples dtanchit - tanchit des tabliers de ponts en bton et autres surfaces en bton circulables par les vhicules - Dtermination de labsorption deau Abdichtungsbahnen - Abdichtung von Betonbrcken und anderen Verkehrsflchen aus Beton - Bestimmung der Wasserabsorption This European Standard was approved b

7、y CEN on 6 February 2017. 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 national stan

8、dards 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 language and n

9、otified 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, Hungary,

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

11、CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14223:2017 EBS EN 14223:2017EN 14223:2017 (E) 2 Contents Page European foreword . 3 1 Scope 4 2 Normative references

12、4 3 Terms and definitions . 4 4 Test method 4 4.1 Principle . 4 4.2 Apparatus and materials 4 4.3 Preparation of test specimens 5 4.4 Drying and conditioning of the test specimens 5 4.5 Procedure. 5 4.6 Expression of results 5 4.6.1 Calculation . 5 4.6.2 Precision . 6 4.7 Test report . 6 BS EN 14223

13、:2017EN 14223:2017 (E) 3 European foreword This document (EN 14223:2017) 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

14、 an identical text or by endorsement, at the latest by September 2017, and conflicting national standards shall be withdrawn at the latest by September 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held re

15、sponsible for identifying any or all such patent rights. This document supersedes EN 14223:2005. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association The significant technical changes are the new reference to prEN 17048:2016

16、at Clause 2, Normative references, and substitution of the terms “bitumen sheet” with the generic wording “waterproofing sheet” at every clause where needed. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this

17、 European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia,

18、Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 14223:2017EN 14223:2017 (E) 4 1 Scope This European Standard specifies a test method for the determination of water absorption in waterproofing sheets which could influence the functional behaviour of these sheets.

19、NOTE It is primarily the reinforcements ability to absorb water which is examined by this test. 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 app

20、lies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1109, Flexible sheets for waterproofing - Bitumen sheets for roof waterproofing - Determination of flexibility at low temperature EN 13416, Flexible sheets for waterproofing - Bitumen,

21、plastic and rubber sheets for roof waterproofing - Rules for sampling EN 14695, Flexible sheets for waterproofing - Reinforced bitumen sheets for waterproofing of concrete bridge decks and other trafficked areas of concrete - Definitions and characteristics prEN 17048, Flexible sheets for waterproof

22、ing - Plastic and rubber sheets for waterproofing of concrete bridge decks and other trafficked areas of concrete - Definitions and characteristics ISO 5725-2, Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reprodu

23、cibility of a standard measurement method 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 13416, EN 14695, prEN 17048 and the following apply. 3.1 water absorption increase in mass of test specimen after immersion in water expressed as a percentage 4

24、Test method 4.1 Principle The water absorption of the waterproofing sheet is measured after the test specimen has been immersed in water for a defined period and determined as the increase in mass of the test specimen. 4.2 Apparatus and materials 4.2.1 Balance, capable of measurements to the nearest

25、 0,1 g. 4.2.2 Water bath, capable of maintaining a temperature of (23 3) C. 4.2.3 Chamber (or laboratory), capable of maintaining a temperature of (23 3) C and (50 5) % RH. 4.2.4 Distilled water, or de-ionized water. 4.2.5 Equipment for hanging test specimens, without damaging the specimens. BS EN 1

26、4223:2017EN 14223:2017 (E) 5 4.2.6 Steel wire brush, medium hard. 4.2.7 Oven with circulating air, (without fresh air supply) and capable of maintaining a temperature of (50 3) C. 4.3 Preparation of test specimens Take samples in accordance with EN 13416. The test specimens shall be taken at random

27、and at least 1 m from the end of the roll and 100 mm from the edge of the sheet. Five test specimens with dimensions of (200 1) mm (200 1) mm shall be prepared for testing. If the reinforced waterproofing sheet has a surfacing of fine mineral or granules, the surface shall be brushed gently with a s

28、teel wire brush to remove any loose mineral or granule. A protective film on the bottom side should be removed as described in EN 1109. Should problems with heterogeneous results occur (4.6.2) due to surfacing of fine mineral or granules, test specimens may be taken from parts free from such surfaci

29、ng. The test specimen area shall be the same as described above. 4.4 Drying and conditioning of the test specimens Dry the test specimens for 24 h 30 min at (50 3) C and then condition them for 1 h 5 min at (23 3)C and (50 5) % RH before testing. During drying and conditioning the test specimens are

30、 placed hanging vertically with a space of at least 20 mm between test specimens. 4.5 Procedure 4.5.1 Weigh the test specimen (m1) and then immerse it in water for 28 days 4 h at (23 3)C. The test specimen shall be placed hanging vertically in the water with a space of at least 20 mm between test sp

31、ecimens. The entire area of the test specimen shall be covered with water during the entire test period. 4.5.2 After the 28 days of immersion in water, air dry the test specimen for 5 h 5 min at (23 3)C and (50 5) % RH. During air drying the test specimen shall be placed hanging vertically with a sp

32、ace of at least 20 mm between the test specimens. The set of five test specimens shall be placed in the laboratory with a free space of air surrounding it (at least 0,5 m on each side). 4.5.3 Reweigh the test specimen (m2). 4.6 Expression of results 4.6.1 Calculation The water absorption w for each

33、test specimen (expressed as a percentage by mass) shall be calculated using Formula (1) 100112mmmw= (1) where: m1is the mass of the test specimen after drying and conditioning; m2is the mass of the test specimen after immersion in water for 28 days and drying for 5 h. The water absorption mean value

34、 of the five test specimens shall be calculated and recorded. BS EN 14223:2017EN 14223:2017 (E) 6 4.6.2 Precision The repeatability r and the reproducibility R is determined by: 0,0995 0,0766rw= + (2) 0,154 0,1048Rw= + (3) where w is the water absorption, in % by mass. Based on the given repeatabili

35、ty, the test shall be repeated if the difference between wmaxand wminis higher than 0,3098wmean+ 0,2385. NOTE 1 Precision data are based on a ring test performed in accordance with ISO 5725-2 for water absorption values between 0,2 % and 5,1 % by mass. NOTE 2 The precision data have only been found

36、for bitumen sheets. 4.7 Test report The test report shall include at least the following information: a) all details necessary to identify the product tested; b) reference to this European Standard and any deviation from it; c) information about sampling, preparation, drying and conditioning of test

37、 specimens in accordance with 4.3 and 4.4; d) information about the procedure in accordance with 4.5; e) test results in accordance with 4.6; f) date of tests. This page deliberately left blankBSI is the national body responsible for preparing British Standards and other standards-related publicatio

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