EN 15184-2006 en Products and systems for the protection and repair of concrete structures - Test methods - Shear adhesion of coated steel to concrete (pull-out test)《混凝土结构保护和修缮用产品.pdf

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1、BRITISH STANDARDBS EN 15184:2006Products and systems for the protection and repair of concrete structures Test methods Shear adhesion of coated steel to concrete (pull-out test)The European Standard EN 15184:2006 has the status of a British StandardICS 91.080.40g49g50g3g38g50g51g60g44g49g42g3g58g44g

2、55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 15184:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 29 September 200

3、6 BSI 2006ISBN 0 580 49265 6National forewordThis British Standard was published by BSI. It is the UK implementation of EN 15184:2006.The UK participation in its preparation was entrusted by Technical Committee B/517, Concrete, to Subcommittee B/517/8, Protection and repair of concrete structures.A

4、list of organizations represented on B/517/8 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.Compliance with a British Standard cannot confer immunity from legal obl

5、igations. Amendments issued since publicationAmd. No. Date CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 15184August 2006ICS 91.080.40English VersionProducts and systems for the protection and repair of concretestructures - Test methods - Shear adhesion of coated steel toconcrete (pull-o

6、ut test)Produits et systmes pour la protection et la rparation desstructures en bton - Mthodes dessais - Adhrence parcisaillement dacier revtu au bton (essai darrachement)Produkte und Systeme fr den Schutz und dieInstandsetzung von Betontragwerken - Prfverfahren -Haftzugfestigkeit zwischen beschicht

7、etem Stahl und Beton(Ausziehversuch)This European Standard was approved by CEN on 1 August 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-da

8、te lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central 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 translationunder the re

9、sponsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Irela

10、nd, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B

11、-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15184:2006: EEN 15184:2006 (E) 2 Contents Page Foreword3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Test principle4 5 Apparatus .5 6 Preparation

12、 of the test specimens.5 7 Execution of the bond test8 8 Test report 10 Bibliography 11 EN 15184:2006 (E) 3 Foreword This document (EN 15184:2006) has been prepared by Technical Committee CEN/TC 104 “Concrete and related products”, the secretariat of which is held by DIN. This European Standard shal

13、l be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2007, and conflicting national standards shall be withdrawn at the latest by February 2007. This European Standard is one of a series of test method standards on prod

14、ucts and systems for protection and repair of concrete structures; particulary it describes a method of testing the shear adhesion of products applied to reinforcing bars. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to

15、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, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and U

16、nited Kingdom. EN 15184:2006 (E) 4 1 Scope This European Standard specifies a method for determining the shear adhesion of steel rebar coated with a corrosion protection product or system and embedded in a standard reference concrete. The test applies to products based on hydraulic binders or polyme

17、rs or mixtures of both. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN

18、 196-1, Methods of testing cement Determination of strength EN 1504-1:2005, Products and systems for the protection and repair of concrete structures Definitions requirements, quality control and evaluation of conformity Part 1: Definitions EN 1504-7:2006, Products and systems for the protection and

19、 repair of concrete structures Definitions requirements, quality control and evaluation of conformity Part 7: Reinforcement corrosion protection ENV 1504-9:1997, Products and systems for the protection and repair of concrete structures Definitions requirements, quality control and evaluation of conf

20、ormity Part 9: General principles for the use of products and systems EN 1766, Products and systems for the protection and repair of concrete structures Test methods Reference concretes for testing EN 10080, Steel for the reinforcement of concrete Weldable reinforcing steel General EN 12390-2, Testi

21、ng hardened concrete Part 2: Making and curing specimens for strength tests EN ISO 12944-4, Paints and varnishes Corrosion protection of steel structures by protective paint systems Part 4: Types of surface and surface preparation (ISO 12944-4:1998) 3 Terms and definitions For the purposes of this d

22、ocument, the terms and definitions given in EN 1504-1:2005, EN 1504-7:2006 and ENV 1504-9:1997 apply. 4 Test principle The test compares the shear adhesion of bars coated with a corrosion protection product or system to that of uncoated bars embedded in a standard reference concrete. The test is car

23、ried out using concrete specimens in which coated and uncoated rebars are embedded. A tensile load is applied to one end of the rebar and increased at a controlled rate until failure occurs. The applied force and resulting displacement are measured for each of the coated and uncoated rebars and the

24、results compared. EN 15184:2006 (E) 5 5 Apparatus 5.1 Concrete mixer in accordance with EN 196-1, or a forced action pan mixer. 5.2 Compaction tools and equipment in accordance with EN 196-1. 5.3 Stirrer and brush to mix and apply the coating product. 5.4 Moulds for the preparation of cubes of dimen

25、sions 200 mm 200 mm 200 mm (see Figure 1). 5.5 Thermometer accurate to within 1 C. 5.6 Tensile testing apparatus of adequate capacity, capable of measuring load to an accuracy of 2 %, and fitted with a load pacer to control the rate of load increase. 5.7 A measuring device, interlocked with the reba

26、r and one or more displacement sensors, capable of measuring relative movement between the anchored bar and a fixed reference point on the cube to an accuracy of 0,01 mm. 6 Preparation of the test specimens 6.1 Description of the test specimens For each coating product, three coated bars and three u

27、ncoated bars, taken from the same batch of reinforcement, shall be tested. The test specimen shall be a concrete cube with the bar incorporated in its central axis (Figure 1). The effective bond length of the bar shall be 5 times the diameter of the bar (5 ds). The remainder of the bar shall be encl

28、osed within a plastic sleeve so that the end of the bar is unrestrained. The bar extends from two opposite faces of the specimen. The tensile load shall be applied to the longer end, and the device for measuring the displacement between steel and concrete shall be set on the shorter end. The plastic

29、 sleeve shall fit around the bar with a 1 mm tolerance and the thickness shall not exceed 2 mm. The annulus between the sleeve and the steel bar shall be sealed at the end with a suitable non-setting sealant. (Care shall be taken not to contaminate the surface of the bar which shall be bonded in the

30、 concrete). Test specimens shall be produced in a room or chamber maintained at the standard laboratory climate, (21 2) C and (60 10) % RH. 6.2 Surface preparation of bars to be tested For each coating product to be tested, six 16 mm diameter ribbed bars in accordance with EN 10080, (type S235) shal

31、l be tested, three uncoated and three coated. The bars shall be free from grease, and shall be blast cleaned to Sa 2 according to EN ISO 12944-4, (or according to the manufacturers instructions if different). The length of the bars is typically 550 mm, but may be varied if the apparatus requires. EN

32、 15184:2006 (E) 6 Key 1 reinforcing bar (rebar) 2 concrete 3 steel coating 4 seal between sleeve and bar 5 plastic sleeve a part of the bar up to the point of application of the displacement measuring device (50 mm) b bond length (80 mm) c free length (120 mm) d part of the bar up to the point of ap

33、plication of the tension force (300 mm) Figure 1 Description and dimension of specimens (section and view from below) 6.3 Coating of bars All materials shall be conditioned at the standard laboratory climate for a period of not less than 24 h prior to mixing. The test bars shall be cleaned as specif

34、ied in 6.2 immediately prior to coating. The coating product shall be mixed and applied at the standard laboratory climate in accordance with the manufacturers instructions. The coating shall be applied at the maximum thickness recommended by the manufacturer. After application the specimens shall b

35、e cured for 7 days (or as required by the manufacturer) under the standard laboratory climate. The test bars shall be located in the mould as shown in Figure 2, with the plastic sleeve applied to the bar. The bars shall typically extend from the mould by 50 mm on one side and by 300 mm on the other

36、side, sufficient to permit measurement and the application of tensile load (see Figure 1). The bar shall be located and supported along the centre line of the hole. The assembled mould containing the bar shall be placed in a room or chamber maintained at the standard laboratory climate prior to cast

37、ing of the concrete specimens. EN 15184:2006 (E) 7 6.4 Casting of specimens 6.4.1 Composition of the concrete The specimens shall be cast using type C (0,70) concrete in accordance with EN 1766. 6.4.2 Placing and compacting The assembled moulds, equipment and tools required for mixing and placing sh

38、all be stored for at least 24 hours in a room or chamber maintained at laboratory standard climate. The bar shall be kept in a horizontal position along the axis of the mould during placing and compaction of fresh concrete (Figure 2). Compaction shall be carried out as specified in EN 12390-2 to the

39、 same degree as for the cubes or cylinders used to determine the strength of concrete. The concrete shall be placed in two layers of equal thickness and vibrated using a 25 mm diameter concrete vibrator. Each specimen shall be vibrated at four points, each position being equidistant from the two adj

40、acent faces. 6.4.3 Storage of cast test specimens The specimens shall be removed from the moulds 3 days after casting, during which time they shall be covered with wet cloths. After removal of the moulds, the specimens shall be stored at laboratory standard climate for 25 days. Key 1 direction of co

41、ncreting 5 rebar 2 mould 6 plastic sleeve 3 steel coating 7 coating on steel 4 fixing element Figure 2 Sketch of the mould (longitudinal section) EN 15184:2006 (E) 8 7 Execution of the bond test 7.1 Testing apparatus The arrangement of the apparatus for the shear adhesion test is shown in Figure 3.

42、7.2 Test procedure The shear adhesion test shall be carried out by applying a tensile force to the free end of the bar. The specimen shall be seated onto a 200 mm 200 mm resilient bearing pad sufficient to accommodate variations in the surface of the specimen, supported by a 10 mm thick steel plate,

43、 both of which have a 32 mm diameter hole to allow free movement of the bar during the test; this assembly shall be placed vertically on the baseplate of the tensile testing device. The measurement of the displacement shall be made on the upper portion of the bar, and the tensile force (F) shall be

44、applied to the lower end. Before load shall be applied the two supports for the displacement measuring device shall be firmly attached to the surface of the test specimen, at least 150 mm apart. The sensor shall be rigidly attached to the supports, and brought into contact with the end of the rebar.

45、 It may be necessary to prepare the end of the rebar to ensure proper contact with the measuring device. The specimen shall be loaded progressively up to bond failure or the splitting of the concrete cube. The applied force and the displacement shall be measured continuously. The test report shall i

46、ndicate the applied force and displacement throughout the test, as well as the type of failure, bond or splitting. 7.3 Testing machine The load range of the testing machine shall exceed the expected failure load of the test specimen. Failure load is usually 100 kN. 7.4 Loading rate The specimen shou

47、ld be loaded at a rate of 128 N/s. EN 15184:2006 (E) 9 Key 1 displacement measuring device 2 specimen 3 steel coating 4 5 mm rubber supporting plate 5 steel plate, 10 mm thick 6 base plate 7 tensile force Figure 3 Testing setup 7.5 Calculation of test results The value of the force applied at a disp

48、lacement of 0,1 mm shall be determined from the force displacement curve for each of the coated specimens and the uncoated specimens. The mean value shall then be calculated for both coated and uncoated specimens. EN 15184:2006 (E) 10 8 Test report The test report shall include the following coating

49、 product information and test data: a) a reference to the test method standard; b) name and address of the test laboratory; c) name and address of the manufacturer or supplier; d) identification of the coating product (pack size); e) name and identification marks or batch number; f) surface preparation of the bars; g) quantity of mixed coating prepared; h) mass of applied coating and the mean thickness of the dried coating layer on the top of the ribs; i) method used for mixing the constituents and