/home/gencode/cen/w1288p3/128 1 26052 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |[.]
BRITISH STANDARD Glass in building Ð Determination of the bending strength of glass Ð Part 3: Test with specimen supported at two points (four point bending) The European Standard EN 1288-3:2000 has the status of a British Standard ICS 81.040.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BS EN 1288-3:2000 BS EN 1288-3:2000 National foreword This British Standard is the official English language version of EN 1288-3:2000 The UK participation in its preparation was entrusted by Technical Committee B/520, Glass and glazing in building, to Subcommittee B/520/4, Properties and glazing methods, which has the responsibility to: Ð aid enquirers to understand the text; Ð present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; Ð monitor related international and European developments 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 Catalogue under the section entitled ªInternational Standards Correspondence Indexº, or by using the ªFindº 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 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 to 11 and a back cover The BSI copyright notice displayed in this document indicates when the document was last issued This British Standard, having been prepared under the direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on 15 August 2000 BSI 08-2000 ISBN 580 36152 Amendments issued since publication Amd No Date Comments (1 (8523($167$1'$5' 1250((8523e(11( (8523b,6&+(1250 -XQH ,&6 (QJOLVKYHUVLRQ *ODVVLQEXLOGLQJ'HWHUPLQDWLRQRIWKHEHQGLQJVWUHQJWKRI JODVV3DUW 7HVWZLWKVSHFLPHQVXSSRUWHGDWWZRSRLQWV IRXU SRLQWEHQGLQJ 9HUUHGDQVODFRQVWUXFWLRQ'pWHUPLQDWLRQGHODUpVLVWDQFH GXYHUUHjODIOH[LRQ3DUWLH (VVDLVDYHFpSURXYHWWHV VXSSRUWp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e (8523e(1 '( 1250$/,6$7,21 (8523b,6&+(6 20,7(( )h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