EN 1543-1998 en Products and Systems for the Protection and Repair of Concrete Structures - Test Methods - Determination of Tensile Strength Development for Polymers《混凝土结构的保护和修理用产品.pdf
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1、 - - STD-BSI BS EN L543-ENGL 1998 Lb24bbl 0735447 29T M BRITISH STANDARD Products and systems for the protection and repair of concrete structures - Test methods - Determination of tensile strength development for polymers * * m The European Standard EN 1543A998 has the status of a British Standard
2、ICs 91.080.40; 91.100.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGH LAW BS EN 1543:1998 STD-BSI BS EN L5q3-ENGL L998 W lb2qbb9 735LiYB 12b = direction of the Sector AmdNo. Committee for Builing and Cid Engineering, was published under the authority of the Standards Committee a
3、nd comes into effect on 16 November 1998 Q BSI 1998 BS EN 1643:1998 Date Text affected National foreword This Brim Standard is the English language version of EN 1543:1!398. No existing standard is superseded The UK participation in its prepdon was entsusted by Technical committee M17, Concrete, to
4、Subcommittee B/517/8, Repair and protection of concrete structures, which has the responsibility to: - aid enquirem to understand the text; - present to the responsible European committee any enquiries on the - monitor related internationai and European developments and promu them in the UK. A list
5、of organizationS represented on this subcommittee can be obtained on request to its secrebty. Cross-references The British Stanards which implement intemational or European pubiications referred to in this document may be found in the BSI !3andards catalogue under the section entitied “international
6、 standards Correspondence index“, or by using the Find“ facility of the BSI standards Electronic catalogue. A British Standard does not purport to include all the necessary provisions of a contract Users of British Standards are responsible for their correct appication. Compliance with a British Sta
7、ndard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside hnt cover, the EN titie page, pages 2 to 7 and a back cover. ISBN O 580 297 9 I I STD-BSI BS EN 1SLi3-ENGL 1998 E 1b24bb7 0735447 Ob2 B EUROPEAN STANDARD EN 1543 NORME E
8、UR0PEE”E EUROP NORM January 1998 ICs 91.080.40 Desniptors: Concrete structures, repairs, protedion, materiais, polymers, materials, polymers, epoxy resins, products for conrete construction, tests, determination, tensile - the testing machine shall be equipped with a temperature controlled cabinet w
9、hich allows the maintenance of a constant temperature from (5 f i) OC to (21 f 2) OC, or other temperatures, providing all parties concerned agree. 3.2 Apparatus a) Testing machine (see annex A), by means of a centric tensile test at a deformation rate of 0,l mm/min, b) stopwatch. The development of
10、 strength is measured with the apparatus shown in Fgure 1. The apparatus consists of at least six rnouls cavities and pistons as dimensioned in Figure 1. The upper fhng device shall be constructed with universal joints in the tensile rod. All parts shaii be made of steel. The mould has a depth of 20
11、0,05 mm and a diameter of 25+y mm (see Figure 2). The piston shall have a diameter of 25-:,05 mm (we Figure 3). 3.3 Materials %o component epoxy resins or other, as specified. O BSI 1998 STD-BSI BS EN 1543-ENGL 199B W Lb24bb7 0735452 b57 = Page 4 EN 1543:1998 VI n a “1 O BSI 1998 STD-BSI BS EN 1543-
12、ENGL 1978 m lb2i.lbb7 O735453 593 Page 6 EN 1643:1998 NI0 / .$ O oi N N - - 07 T .e. I . 6N I Dimensions in mm Figure 2 - Mould O BSI 1998 STDWBSI BS EN 1543-ENGL 1778 E 1bZLibb7 0735Y5Li Li2T m Page 6 EN 1683:1998 P -1 Dimensiona in mm Figure 3 - Piston 4 Iiest procedure for the determination of th
13、e development of strength 4.1 Preparation of the resin The two components shall be prepared in accordance withthetechnical * data sheet of the manufacturer of the product. The two component resins and the test apparatus shall be maintained at the selected test temperahre for a minimum of 24 h before
14、 mixing the resins. The designated for the tests are (5 f 1) OC, x2i f 2) “c, but other suaable te- may be selected providing ali parties concerned agree. 4.2 Mixing The base and harener components shall be carefully mixed together, by means of a slowly rotating electric stjrrer and paddie, in accor
15、dance with the mandaclmers recommendations. To complete the mixing process, the resin shall be poured from one can to another and mixed again for 30s. Start the stopwatch at the end of the mixing. 4.3 Preparation of the moulds The cavity of the mould and the faces of the piston shall be abraded to p
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