EN 932-2-1999 en Tests for General Properties of Aggregates - Part 2 Methods for Reducing Laboratory Samples《集料的一般性能试验 第2部分 减少试验室样本的方法》.pdf

1、STD-BSI BS EN 932-2-ENGL 1777 W Lb2lbbS 0777lOL BRITISH STANDARD Tests for general properties of aggregates - Part 2: Methods for reducing laboratory samples The European Stanard EN 932-2 1998 has the status of a British Standard ICs 91.100.15 BS EN 932-2: 1999 NO COPYING WITHOUT BSI PERMISSION EXCE

2、PT AS PERMITTED BY COPYRIGHI LAW STD-BSI BS EN 732-2-ENGL 1999 D Lh24bbS 0779407 975 Is direction of the Sector Cmnmittee for Building and Cid Engineering, was published under the authority of the Standards Committee and comes into effect on 15 May 1999 Amd. No. O BSI 05-1999 BS EN 932-2:1999 Date T

3、ext affected I National foreword This British Standard is the English language version of EN 932-2: 1998. It is included in a package of European Standards agreed by CENRY: 154. The UK participation in its preparation was entrusted by Technical Committee B/502, Aggregate, to Subcommittee W502/6, Met

4、hods of test, which has the responsibility to: - aid enquirem to understand the text; - present to the responsible intemationavEuropean committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; - monitor related international and European development

5、s and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI standards Catalogu

6、e under the section entitled “International Standards Correspondence Index“, or by using the “Find“ facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include ail the necessary provisions of a contract. Users of British Standards are responsible for their corr

7、ect application. Compliance with a British Standard does not 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 10, an inside back cover and a back cover. ISBN O 880 32099 5 STEmBSI BS EN 932-

8、2-ENGL 1777 W Lb24bb7 0777408 BOL I EUROPEAN STANDARD EN 932-2 NOW EUR0pEE“E EUROP- Nom January 1999 ICs 91.100.15 Descriptors: aggregates, tests, samples, specimen preparation, reduction methods English version for general properties of aggregaks- Part2: Methods for reducing laboratory samples Essa

9、is pour dterminer les propritk gnrales des gran - specife by a tolerance around a target mass; - detennined precisely by the requirements of a test method. 2 Normative references This European Standard incorporates, by dated or undated reference, provisions from other publications. These normative r

10、eferences are cited at the appropriate places in the text and the 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

11、the latest edition of the publication referred to applies. EN 932-1, Tests far general pwperties of aggregates - Part 1: Methinis for sampiing. prEN 932-6, Tests far general photocopying, recording or otherwise - without prior written permission from BSL l%is does not preclude the free use, in the c

12、ourse of implemenhng the standard, of iecessasy details such as symbols, and size, type or grade designations. If these letails are to be used for any other purpose than implementation then the prior mitten permission of BSI must be obtained f permission is granted, the terms may include royalty payments or a licensing tgreement. Details and advice can be obtained from the Copyright Manager. re1 0181 996 7070.