1、STD-BSI BS EN 12192-2-ENGL 1999 lb24bb9 077b055 O27 B BRITISH STANDARD Products and systems for the protection and repair of concrete structures - Granulometry analysis - Part 2: Test method for fillers for polymer bonding agents The European Standard EN 12192-2:1999 has the status of a British Stan
2、dard ICs 91.080.40; 91.100.10 BS EN 12 192-21999 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGKT LAW National foreword been prepared under the direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and com
3、es into effect on 15 September 1999 Amd. No. O BSI 09-1999 ISBN O 580 32587 3 This British Standard is the English language version of EN 12192-2: 1999. The UK participation in its prepdon was entrusted by Technical Committee B/517, Concrete, to Subcommittee B/517/8, Repair and protection of concret
4、e, which has the responsibility to: Date Comments - aid enquirers to understand the text; - present to the responsible European comime any enquiries on the - monitor related international and European developments and promulgate interpretation, or proposals for change, and keep the UK interests info
5、rmed them in the UK A list of organizations represented on this subconunittee can be obtained on request to its secretary. Cross-references The British Standards which implement internaticmai or European publications referred to in this document may be found in the BSI Standards Catalogue under the
6、section entitled “International Standards Correspondence Index”, or by using the “Find facility of the BSI Standards Electronic Caialogue. A British Standard does not purport to include ail the necessary provisions of a contract Users of British Standards are responsible for their correct applicatio
7、n. Compliance with a British Standard does nlot of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 13 and a back cover. The BSI copyright notice displayed in this document indicates when the d
8、ocument was last issued. SD.5SI BS EN 12172-2-ENGL L911 II 1b24bb7 077b057 9TL EUROPEAN STANDARD EN 12192-2 NORME EUROPENNE EUROPISCHE NORM May 1999 ICs 83.180; 91.080.40 English version Products and systems for the protection and repair of concrete structures - Granularity analysis - Part 2:Test me
9、thod for fillers for polymer bonding agents Produits et systmes pour la protection et la rparation des structures en bton -Analyse granulomtrique - Korngrenanalyse - Partie 2: Mthode dessai pour les charges de produits de collages structuraux base de polymres Produkte und System fr den Schutz und di
10、e Instandsetzung von Betontragwerken - Teil 2:Prfverfahren fur Fllstoffe fir Polymerklebstoffe This European Standard was approved by CEN on 16 April 1999. CEN members are bound to comply with the CENICENELEC Internal Regulations which stipulate the conditions for giving this European Standard the s
11、tatus of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards 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).
12、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 same status as the oftcial versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland,
13、 France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fur Normung Central Secretariat: rue de Stassart, 36 B-1050 Bruss
14、els O 1999 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12 192-2: 1999 E Page 2 EN 12192-21999 Contents Page Foreword 1 Scope 2 Normative references 3 Test method 4 Apparatus 5 Sampling 6 Test procedure 7 Expression of results 8
15、 Test report AMeX A (informative) Method of checking groove depth Annex B (informative) Bibliography 3 4 4 4 4 5 5 6 7 12 13 OBSI 09-1999 Page 3 EN 12192-21999 Foreword This European Standard has been prepared by Technical Committee CEN/TC 104, Concrete (performance, production, placing and complian
16、ce criteria), 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 November 1999, and conflicting national standards shall be withdrawn at the latest by Novembe
17、r 1999. According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norw
18、ay, Portugal, Spain, Sweden, Switzerland and the United Kingdom. It has been prepared by Subcommittee 8, Products and systems for the protection and repair of concrete structures (Secretariat AFNOR). This European Standard describes several types of test methods: - prEN 12 192-1, Products and system
19、s for the protection and repair of concrete structures - Test methods - Granuiometry size grading - Part I: Method for dry components ofpremixed mortars; - EN 12 192-2, Products and systems for the protection and repair of concrete structures - Test methods - Granulometry size grading -Part 2: Metho
20、d for fillers for polymer bonding agents. Specifications for the products and systems for the repair and the protection of concrete structures will be the subject of separate standards. QBSI 09-1999 Page 4 EN 12192-2:1999 1 Scope This European Standard specifies a method for determining the maximum
21、particle size of fillers in structural bonding agents by the use of a suitable gauge, graduated in micrometres. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These nonnative references are cited at the appropriate places
22、 in the text and thle 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 latest edition of the publication referr
23、ed to applies. EN 21512, Paints and varnishes-Sampling ofproducts in liquid orpaste form (IS0 1512:1991). EN IS0 15 14, Paints and varnishes - Standardpanels for testing (IS0 15 14: 1993). 3 Test method The maximum particle size of the filler is the reading obtained on a standard gauge under specifi
24、ed conditions of test, indicating the depth of the groove of the gauge at which discrete solid particles in the product are readily discernible. 4 Apparatus 4.1 Gauge, consisting of a block of stainless steel approximately 175 mi long, 65 mm wide and 13 mm thick. The top surface of the block shall b
25、e both plane and ground smooth and shall contain one or two grooves approximately 140 mm long and 12,5 mm wide parallel to the longer sides of the block. The depth of each groove shall be uniformly tapered along its length from a suitable depth (for example 50 pm, 100 pm, 250 pm or 500 pm) at one en
26、d to zero depth at the other end and shall be graduated as specified in Table 1. Diagrams of typical gauges are given in Figure 1. The depth of the groove at any position along its length shall not depart ifrom its nominal value at any position across the groove by more than 2,5 pm. A method of chec
27、king the groove depth is described in annex A. QBSI 09- I999 STD-BSI BS EN 12192-2-ENGL Maximum depth of groove Iim Page 5 EN 12192-2:1999 Interval of graduition Recommended range Pm Pm 250 1 O0 50 I500 150 I 150 to400 I 25 50 to 150 10 40 to 90 5 15 to 40 The top surface of the block shall be finis
28、hed by fine grinding or lapping; it shall be flat so that all points lie between two parallel planes 12 pm apart and, in addition, at every position along the surface, the transverse generator shall be straight so that all points along it lie between two parallel straight lines 1 pm apart. The top a
29、nd bottom surfaces of the block shall be parallel within 25 pm. NOTE The precision of the maximum particle size determination depends in part on which gauge is used (see clause 6). Therefore it is essential to identi the gauge (500 pm, 250 pm, 100 pm, SO pm) when reporting results or specifying requ
30、irements. 4.2 Scraper, consisting of a single- or doubled-edged steel blade approximately 90 mm long, 40 mm wide and 6 nun thick. The edge(s) on the long side(s) shall be straight and rounded to a radius of approximately 0,25 mm. A drawing of a suitable scraper is shown in Figure 2. The scraper shal
31、l be periodically checked for wear, damage or warping by placing the edge of the scraper on the reference plane surface (see A.2.3) and inspecting the contact edge against a strong light. Reject the scraper if poor contact between the edge of the scraper and the reference plane surface is revealed w
32、hen the scraper is rocked backwards and forwards. NOTE I The top surface of the gauge can be used for routine checking of the scraper, provided that it itself is not worn or warped and verified by use of the reference plane surface. NOTE 2 When not in use, the scraper should be stored in a container
33、 lined with velvet or similar soft material. 5 Sampling Take a representative sample of the product to be tested as specified in EN 2 15 12. Examine and prepare the sample for testing as specified in EN IS0 15 14. 6 Test procedure 6.1 Carry out a preliminary determination to establish the size of ga
34、uge most suitable for the test and the approximate maximum particle size of the test sample (see Table 1 and the note to 6.5). This approximate detemination shall not be included in the results of the test. Then carry out the detemination in triplicate. 6.2 Place the gauge (4.1), which shall be thor
35、oughly clean and dry, on a flat, horizontal, nonslip surface. 6.3 Pour a sufficient amount of sample into the deep end of the groove so that it overflows the groove slightly. Take care that during pouring the sample does not trap any air. OBSI 09-1 999 STD-BSI BS EN 12172-2-ENGL 1799 E lb2Libb9 077b
36、Ob2 2b Page 6 EN 12192-2:1999 6.4 Grasp the scraper (4.2) between the thumbs and fingers of both hancds and place it edgewise in contact with the surface of the gauge at the extreme deep end of the groove with the length of the scraper parallel to the width of the gauge. While holding the scraper pe
37、rpendicular to the surface of the gauge and at right angles to the length of the groove, draw it at a uniform rate over the surface of the gauge to a point beyond the zero depth of the groove in 1 s to 2 s. Apply sufficient downward pressure on the scraper to ensure that the groove is filled with th
38、e sample and that any surplus is removed. 6.5 In a time not exceeding 3 s fiom the completion of the drawdown, view the gauge fiom the side in such a manner that the line of vision is at right angles to the long dimension ofthe groove and at an angle of not more than 30“ nor less than 20“ to the sur
39、face of the gauge while it is in a light that will make the pattern on the sample in the groove readily visible. NOTE If the rheology of the sample is such that a smooth pattern is not obtained after drawdown, a minimal quantity of an appropriate thinner or blinder solution can be added to the sampl
40、e by hand stirring, and the test repeated. Any dilution should be stated in the test report. in some instances, the dilution of the sample can lead to flocculation and the fineness of grind can be affected. 6.6 Observe the point where the product first shows a predominantly speckled appearance and,
41、in particular, where a 3 mm wide band across the groove contains five to ten particles (see Figures 3 and 4). Disregard any scattered specks that may appear prior to the point where the predominantly speckled appearance begins. Estimate the position of the upper limit to the nearest: a) 20 pm for th
42、e 500 pm gauge; b) 10 pm for the 250 pm gauge; c) 5 pm for the 100 pm gauge; d) 2 pm for the 50 pm gauge. 6.7 Clean the gauge and scraper carefully with a suitable solvent immediately after each reading. 7 Expression of results Calculate the mean of the three determinations and record the result to
43、lhe same precision as the original readings (see 6.6). OBSI 09- 1999 STD-BSI BS EN LZL92-2-ENGL 1799 libZibb7 077bUb3 LTS Page 7 EN 12192-2:1999 8 Test report The test report shall contain at least the following information: a) the type and identification of the product tested; b) designation of the
44、 gauge used; c) details of any dilution (see note to 6.5); d) the results of the test, expressed in micrometres; e) any deviation, by agreement or otherwise, from the test procedure specified; f) the date of the test; g) reference to this European Standard. QBSI 09-1 999 Page 8 EN 12192-2:1999 I B c
45、 D Figure 1 - Typical gauges OBSI 09-1 999 Page 9 EN 12192-2:1999 I Dimensions (approximate) in millimetres -y-+- 6 II Sewwi nlpn R O.; n Figure 2 - Suitable scraper OBSI 09- I999 . STD.BS1 BS EN LZL72-2-ENGL 1777 Lb24bb7 077bibb 904 Page 10 EN 12192-21999 Figure 3 - Typical reading on gauge - lo li
46、“ - Figure 4 - Enlarged view of gauge reading 14 pm OBSI 09-1999 STD*BSI BS EN 2237Z-Z-ENGL 1777 1bZIbb7 077bDL7 8YO = Page 11 EN 12192-21999 1 -I- 3 Dimensions in millimetres -i 60 -I I- 2 J ,c11 , OH- 4 A I Bracket 2 Harden and grind base so that knife edges are central with 08 ream hole 3 Rock ba
47、ckwards and forewords on “knife edges“ to find minimum deflection on dial guage 4 Outline of Marcer type 54 dial guage 5 Plunger contact point Figure 5 -Dial gauge mounting block I I OBSI 09-1999 STD-BSI BS EN LZL72-2-ENGL L991 9 Lb24bb9 07bOb 7d7 W Page 12 EN 12192-2:1999 Annex A (informative) Meth
48、od of checking groove depth A.l General Prolonged use can cause wear of the top surface of a gauge, thereby altering the effective groove depth. Thus the groove depth shall be periodically checked, and a Suitable method is described below. A.2 Apparatus A.2.1 Dial indicator gauge, plunger type, read
49、ing to 2 pm or better and fitted with a stylus having a radius of less than 0,25 mm. A.2.2 Dial gauge mounting block, of length approximately 60 mm anci of similar section to the working edge of the scraper (4.2), Le. with an edge of diameter 0,25 mm and with an included angle of 60“ (see Figure 5). The block shall provide means of rigidly holding the dial gauge so that its plunger can pass perpendicularly through the centre of the block. A vertical line shall be scribed or machined on the end faces of the block. It is recommended th
