BS-EN-480-4-2005.pdf
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1、BRITISH STANDARD BS EN 480-4:2005 Admixtures for concrete, mortar and grout Test methods Part 4: Determination of bleeding of concrete The European Standard EN 480-4:2005 has the status of a British Standard ICS 91.100.30 ? BS EN 480-4:2005 This British Standard was published under the authority of
2、the Standards Policy and Strategy Committee on 28 November 2005 BSI 28 November 2005 ISBN 0 580 47320 1 National foreword This British Standard is the official English language version of EN 480-4:2005. It supersedes BS EN 480-4:1997 which is withdrawn. The UK participation in its preparation was en
3、trusted by Technical Committee B/517, Concrete, to Subcommittee B/517/3, Admixtures, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. The UK has drawn the attention of CEN to an error in the definition of w in clau
4、se 4; it is a ratio not a percentage. The words “in percent” should be ignored. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Corresponde
5、nce 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 necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of its
6、elf confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and prom
7、ulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateCo
8、mments EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 480-4 October 2005 ICS 91.100.30Supersedes EN 480-4:1996 English Version Admixtures for concrete, mortar and grout - Test methods - Part 4: Determination of bleeding of concrete Adjuvants pour bton, mortier et coulis - Mthodes dessai - Part
9、ie 4: Dtermination du ressuage du bton Zusatzmittel fr Beton, Mrtel und Einpressmrtel - Prfverfahren - Teil 4: Bestimmung der Wasserabsonderung des Betons (Bluten) This European Standard was approved by CEN on 28 July 2005. CEN members are bound to comply with the CEN/CENELEC Internal Regulations wh
10、ich 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 national standards may be obtained on application to the Central Secretariat or to any CEN member. This European St
11、andard 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 notified to the Central Secretariat has the same status as the official versions. CEN members are the national st
12、andards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN C
13、OMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 480-4:2005: E EN 480-4:2005 (E) 2
14、 Contents Page Foreword 3 1 Scope.4 2 Apparatus4 3 Procedure4 4 Results.5 5 Test report.5 EN 480-4:2005 (E) 3 Foreword This European Standard (EN 480-4:2005) has been prepared by Technical Committee CEN/TC 104 “Concrete and related products”, the secretariat of which is held by DIN. This European St
15、andard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2006, and conflicting national standards shall be withdrawn at the latest by April 2006. It has been drafted by Subcommittee 3 (SC 3) of TC 104 “Admixtures fo
16、r concrete, mortar and grout“. This document 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 mortar for testing Part 2 Determination of setting time Part 4 Determination of bleeding of concret
17、e 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 Determination of air void characteristics in hardened concrete Part 12 Determination of the alkali con
18、tent of admixtures Part 13 Reference masonry mortar for testing mortar admixtures Part 14 Admixtures for concrete, mortar and grout - Test methods - Part 14: Measurement of corrosion susceptibility of reinforcing steel in concrete - Potentiostatic electro-chemical test method 1) This document is app
19、licable together with the other standards of the EN 480 series. This document supersedes EN 480-4:1996. According 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 Re
20、public, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. 1) This part is under preparation EN 480-4:2005 (E) 4 1 Scope
21、This document describes a method to determine the relative quantity of mixing water that will bleed from a sample of freshly mixed concrete. This method applies to concrete mixes with aggregates having a maximum size up to 50 mm. 2 Apparatus 2.1 A rigid cylindrical vessel of inside diameter of (250
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