1、BRITISH STANDARD BS EN 13396:2004 Products and systems for the protection and repair of concrete structures Test methods Measurement of chloride ion ingress The European Standard EN 13396:2004 has the status of a British Standard ICS 91.080.40 BS EN 13396:2004 This British Standard was published und
2、er the authority of the Standards Policy and Strategy Committee on 12 July 2004 BSI 12 July 2004 ISBN 0 580 44035 4 National foreword This British Standard is the official English language version of EN 13396:2004. The UK participation in its preparation was entrusted by Technical Committee B/517, C
3、oncrete, to Subcommittee B/517/8, Protection and repair of concrete structures, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publ
4、ications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the ne
5、cessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the in
6、terpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover. The BSI
7、copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN13396 June2004 ICS91.080.40 Englishversion Productsandsystemsfortheprotectionandrepairofconcrete structu
8、resTestmethodsMeasurementofchlorideioningress Produitsetsystmesdeprotectionetderparationdes structuresenbtonMthodesdessaiMesuragedela pntrationdionschlorure ProdukteundSystemefrdenSchutzunddie InstandsetzungvonBetontragwerkenPrfverfahren MessungdesEindringensvonChloridionen ThisEuropeanStandardwasap
9、provedbyCENon24March2004. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtoth
10、eCentralSecretariatortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusast heofficial versions. CENmembersarethena
11、tionalstandardsbodiesofAustria,Belgium,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France, Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal, Slovakia, Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZAT
12、ION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2004CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN13396:2004:EEN 13396:2004 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4
13、 3 Terms and definitions .4 4 Principle4 5 Equipment 4 6 Test procedure.5 7 Test report 8 Annex A (normative) Summary of temperatures and humidities for the curing, conditioning and testing of repair products and systems. .10 Bibliography 11 EN 13396:2004 (E) 3 Foreword This document (EN 13396:2004)
14、 has been prepared by Technical Committee CEN/TC 104 “Concrete and related products”, the secretariat of which is held by DIN. 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 2004, and co
15、nflicting national standards shall be withdrawn at the latest by December 2004. Annex A is normative. It has been prepared by sub-committee 8 “Products and systems for the protection and repair of concrete structures“ (Secretariat AFNOR). This European Standard is one of a series dealing with produc
16、ts and systems for the protection and repair of concrete structures. It contains a method for determining the resistance to chloride ion penetration of hardened CC or PCC repair products and systems. This document includes a Bibliography. According to the CEN/CENELEC Internal Regulations, the nation
17、al standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Port
18、ugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 13396:2004 (E) 4 1 Scope This European Standard specifies a method for determining the resistance to chloride ion penetration of hardened CC or PCC repair products and systems for the protection and repair of concrete, as de
19、fined in prEN 1504-3. The provisions of the standard are applicable to cementitious grouts, mortars and concretes with a maximum aggregate size of 20 mm. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative refe
20、rences are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the
21、 latest edition of the publication referred to applies (including amendments). EN 196-1, Methods of testing cement Part 1: Determination of strength. EN 1504-1, Products and systems for the protection and repair of concrete structures Definitions, requirements, quality control and evaluation of conf
22、ormity Part 1: Definitions. EN 1015-2, Methods of test for mortar for masonry Part 2: Bulk sampling of mortars and preparation of test mortars. prEN 14629, Products and systems for the protection and repair of concrete structures Test methods Determination of chloride content in hardened concrete. 3
23、 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN 1504-1 apply. 4 Principle The test is carried out on cylindrical specimens with a diameter of at least 100 mm. The specimens may be cast or cut from a larger block of the repair product or system
24、. The specimens are pre-conditioned by saturation under a vacuum to minimise chloride uptake by absorption. The test procedure is designed to promote the ingress of chloride ions into the trowelled face of the cylinder, accelerated by immersion in a 3 % chloride solution at a temperature of 21 C. Af
25、ter the test period, the chloride ion content in the repair product or system is determined at three depths from the exposed surface. 5 Equipment 5.1 Cylindrical moulds for producing specimens manufactured from non-absorbent rigid material, which is inert to cement paste or polymers, of at least 100
26、 mm internal diameter and at least 100 mm depth. 5.2 Formwork for producing blocks of material from which a full set of test specimens can be obtained, produced from rigid non-absorbent material, not attacked by cement paste or polymers and at least 100 mm in depth. EN 13396:2004 (E) 5 5.3 Diamond c
27、ore drill and barrel that enable the drilling of a (100 2) mm cylindrical specimen through the repair product and system if formwork according to is used. 5.4 Demineralised water conductivity approximately 0,5 S/mm. 5.5 Electronic analytical balance with a minimum accuracy of 0,001 g. 5.6 Vibrating
28、table. Where required, to compact the concrete or mortar. 5.7 Two water baths 5.7.1 General Two water baths with tightly-fitting lids to reduce evaporation, into which the specimens are placed. The volume of each bath should be at least 1,5 times the volume of the specimens and allow free circulatio
29、n of test solution around them, made of rigid non-corroding material. 5.7.2 Bath 1 shall be filled with demineralised water maintained at (21 2) C, connected to a water jet vacuum pump capable of achieving a vacuum of (2500 500) Pa (for water saturation). For conditioning it shall be used at normal
30、atmospheric pressure (100.000 Pa). NOTE The bath should contain sufficient water above the specimens to allow for a drop in level due to absorption and possible loss under vacuum conditions. 5.7.3 Bath 2 shall be filled with 3 % NaCl solution (by using 99,9 % pure NaCl and demineralised water) maint
31、ained at (21 2) C (for the test specimens). 5.8 Cutting equipment capable of trimming or grinding-away the surface of the sample to an accuracy of ( 0,5 mm). NOTE Suitable equipment includes a milling machine and dust collection system, operating a horizontally mounted diamond edged grinding wheel,
32、or a vertically mounted diamond coated milling tool. 5.9 Grinding equipment suitable for crushing slices of the sample into a fine powder, in accordance with prEN 14629. 5.10 Potentiometric titration equipment in accordance with prEN 14629. 5.11 Hard bristled brushes for wet scrubbing or cleaning du
33、st from the specimens. 5.12 Standard laboratory climate in accordance with the requirements of annex A. 5.13 Mortar mixer, in accordance with EN 196-1, forced action pan mixer, or other mixer in accordance with the manufacturers instructions. 5.14 Compaction Tools and Equipment for repair grouts, mo
34、rtars and concretes according to EN 196-1 or EN 1015-2. Compaction method shall be carried out in accordance with the manufacturers instructions. 5.15 Electronic balance with a minimum accuracy of 0,1 g. 6 Test procedure 6.1 General Seven specimens are required for determining the resistance to chlo
35、ride ion penetration, as follows: EN 13396:2004 (E) 6 2 for testing at 28 days; 2 for testing at 3 months; 2 for testing at 6 months; 1 control specimen for testing at 28 days. 6.2 Preparation All materials shall be conditioned in the standard laboratory climate of (21 2) C and (60 10) % RH (5.12) f
36、or a period of not less than 24-h prior to mixing. Unless otherwise instructed by the manufacturer, use the following mixing technique for preparing the specimens. For PCC and CC, use the mortar mixer (5.13) set to a low speed, pouring the gauging liquid to the bowl and adding the dry ingredients, m
37、ixing for a total period of two minutes. Where manufacturers instructions preclude use of part bags of material, a forced action pan mixer (5.13) or other method recommended by the manufacturer shall be used. NOTE It has been found that certain types of repair mortar can foam excessively under the a
38、ction of the mortar mixer specified in EN 196-1. An alternative is to use a forced action pan mixer (5.13). The air content, strength and density of the mixes should normally be determined to characterise the mortar under test. The mixed material shall be placed carefully into cylindrical moulds or
39、formwork, tamping or vibrating (5.14) to achieve full compaction. The top surface shall be trowelled smooth and flat and protected from contamination. Release of the repair material may be helped by use of a light smearing of mould oil on the sides of the mould. The specimens shall be demoulded 24 h
40、 after casting and then cured according to annex A to an age of 28 days. The specimens shall be clearly labelled with the mix number or reference and the specimen number. After the 28 day curing period, the specimens shall be fully saturated by immersing them in a bath of demineralised water at (21
41、2) C under vacuum (5.7.2) for 24 h and then weighed every 4 h intervals until the change in weight, after continued vacuum saturation, is less than 0,5 g per kg of specimen weight (5.15). If full saturation is not achieved after 72 h under vacuum, the specimens shall not be tested and a report prepa
42、red which gives the weight change. 6.3 Conditioning 6.3.1 General After completion of the vacuum saturation period, the fully saturated specimens shall be blotted with a clean damp cloth, weighed with the balance (5.15) and then fully immersed in a bath containing the following solutions: 6.3.2 Six
43、specimens in a 3 % NaCl solution using demineralised water maintained at (21 2) C (5.7.3). 6.3.3 One control specimen in demineralised water maintained at (21 2) C (5.7.2). The specimens shall be laid on their sides with sufficient space between them so that the trowelled faces are freely exposed to
44、 water movement. EN 13396:2004 (E) 7 6.4 Sampling After 28 days, 3-months and 6-months conditioning, two specimens shall be removed from the NaCl bath (5.7.3), blotted with a clean, damp cloth to remove surface water and weighed using the electronic balance (5.15). Each specimen shall be scrubbed li
45、ghtly with the hard bristled brush and rinsed with demineralised water to remove saline solution from the surface. The specimen shall be prepared immediately (i.e. sampling shall be completed within 15 min of removal from the NaCl bath). Samples shall be collected from the specimen, at three depth i
46、ncrements from the trowelled face using cutting equipment (5.8): increment 1, between 0 mm and 2 mm depth; increment 2, between 4 mm and 6 mm depth; increment 3, between 8 mm and 10 mm depth. To ensure material that could have been affected by multidirectional penetration is discarded, the sides of
47、the specimen shall be trimmed away using suitable equipment to remove an outer 20 mm thick annulus of edge material. As an alternative, the trowelled face of the specimen may be ground by a milling machine in such a way as to exclude this annulus (e.g. as shown in Figure 1). NOTE 1 Ignoring the oute
48、r 20 mm annulus shown in Figure 1 is usually sufficient to eliminate these effects for products and systems intended to be resistant to chloride ion penetration. The samples from the three depth increments shall then be ground to a powder (5.9) in accordance with the requirements of prEN 14629. NOTE 2 The sampling procedure should yield a sample mass of at least 10 g per depth increment. The powder shall be dried in an oven at (105 5) C to a constant weight, measured using the analytical balan
