BS-EN-480-2-2006.pdf
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1、BRITISH STANDARD BS EN 480-2:2006 Admixtures for concrete, mortar and grout Test methods Part 2: Determination of setting time The European Standard EN 480-2:2006 has the status of a British Standard ICS 91.100.30 ? BS EN 480-2:2006 This British Standard was published under the authority of the Stan
2、dards Policy and Strategy Committee on 29 September 2006 BSI 2006 ISBN 0 580 49250 8 National foreword This British Standard was published by BSI. It is the UK implementation of EN 480-2:2006. It supersedes BS EN 480-2:1997 which is withdrawn. The UK participation in its preparation was entrusted by
3、 Technical Committee B/517, Concrete, to Subcommittee B/517/3, Admixtures. A list of organizations represented on B/517/3 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 applic
4、ation. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 480-2 August 2006 ICS 91.100.30 Supersedes EN 480-2:1996 English Version Admixtures for concrete, mo
5、rtar and grout - Test methods - Part 2: Determination of setting time Adjuvants pour bton, mortier et coulis - Mthodes dessai - Partie 2: Dtermination du temps de prise Zusatzmittel fr Beton, Mrtel und Einpressmrtel - Prfverfahren - Teil 2: Bestimmung der Erstarrungszeit This European Standard was a
6、pproved by CEN on 19 June 2006. 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 nationa
7、l 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). A version in any other language made by translation under the responsibility of a CEN member into its own language and notif
8、ied to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherla
9、nds, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation i
10、n any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 480-2:2006: E EN 480-2:2006 (E) 2 Contents Page Foreword3 1 Scope 5 2 Normative references5 3 Test principle5 4 General requirements for testing.5 4.1 Laboratory5 4.2 Apparatus .5 4.3 Materials .6 5 Setting time tes
11、t.6 5.1 Apparatus .6 5.2 Preparation of the mortar8 5.3 Filling the mould8 5.4 Test procedure.8 5.4.1 Determination of initial setting time.8 5.4.2 Determination of final setting time.8 5.4.3 Manual Vicat.9 6 Test report9 Bibliography10 EN 480-2:2006 (E) 3 Foreword This document (EN 480-2:2006) has
12、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 February 2007, and conflic
13、ting national standards shall be withdrawn at the latest by February 2007. This document supersedes EN 480-2:1996. This draft European Standard is part of the series EN 480 Admixtures for concrete, mortar and grout Test methods which comprises the following: Part 1 Reference concrete and reference m
14、ortar for testing Part 2 Determination of setting time Part 4 Determination of bleeding of concrete Part 5 Determination of capillary absorption Part 6 Infrared analysis Part 8 Determination of the conventional dry material content Part 10 Determination of water soluble chloride content Part 11 Dete
15、rmination of air void characteristics in hardened concrete Part 12 Determination of the alkali content of admixtures Part 13 Reference masonry mortar for testing mortar admixtures Part 14 Determination of the effect on corrosion susceptibility of reinforcing steel by potentiostatic electro- chemical
16、 test1) This standard is applicable together with the other standards of the series EN 934 Admixtures for concrete, mortar and grout. Notification of revisions: The previous edition EN 480-2:1996 has been revised as follows: - provision for using a manual Vicat; - general editorial revision. Accordi
17、ng to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, 1) This part is under preparation. EN 480-2:2006 (E) 4 Denmark, Estonia, Finland, France, Germany, Gree
18、ce, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 480-2:2006 (E) 5 1 Scope This European Standard describes a method for determining setting time of mortar
19、with and without admixtures. It is an adaptation of the setting time test described in EN 196-3. This European Standard describes the reference method; it allows the use of alternative apparatus as indicated in notes provided that they do not affect the results. 2 Normative references The following
20、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 196-1, Methods of testing cement Part 1: Determination of st
21、rength EN 413-2, Masonry cement Part 2: Test methods EN 480-1, Admixtures for concrete, mortar and grout Test methods Part 1: Reference concrete and reference mortar for testing EN 1008, Mixing water for concrete Specification for sampling, testing and assessing the suitability of water, including w
22、ater recovered from processes in the concrete industry, as mixing water for concrete 3 Test principle The setting time is determined by observing the penetration of a needle into a reference mortar until it reaches a specified value. The reference mortar with admixture (test mix) shall have the same
23、 consistence as the reference mortar without admixture (control mix) that conforms to EN 480-1. For this purpose the mixing water required shall be determined in advance according to EN 413-2. 4 General requirements for testing 4.1 Laboratory The laboratory in which specimens are prepared and tested
24、 shall be maintained at a temperature of (20 2) C and a relative humidity no less than 65 %. After preparation and between tests, the specimen shall be stored in a room or cabinet having a relative humidity of no less than 90 % and a temperature of (5 1) C or (20 2) C as appropriate to the test requ
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