NA-TO-BS-EN-1996-2-2006.pdf

NA to BS EN 1996-2:2006 UK National Annex to Eurocode 6: Design of masonry structures Part 2: Design considerations, selection of materials and execution of masonry ICS 91.010.30; 91.080.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW NATIONAL ANNEX Incorporating Corrigendum No. 1 Licensed Copy: London South Bank University, London South Bank University, Tue Jul 03 01:12:32 GMT+00:00 2007, Uncontrolled Copy, (c) BSI Publishing and copyright information The BSI copyright notice displayed in this document indicates when the document was last issued. © BSI 2007 ISBN 978 0 580 49783 6 The following BSI references relate to the work on this standard: Committee reference B/525/6 Draft for comment 06/30128393 DC Publication history First published May 2007 Amendments issued since publication Amd. no.DateComments 17207 Corrigendum No. 1 29 June 2007Correction to date NA to BS EN 1996-2:2006 Licensed Copy: London South Bank University, London South Bank University, Tue Jul 03 01:12:32 GMT+00:00 2007, Uncontrolled Copy, (c) BSI © BSI 20071 NA to BS EN 1996-2:2006 National Annex (informative) to BS EN 1996-2:2006, Eurocode 6: Design of masonry structures Part 2: Design considerations, selection of materials and execution of masonry Introduction This National Annex has been prepared by BSI Subcommittee B/525/6, Use of masonry. It is to be used in conjunction with BS EN 1996-2:2006. NA.1 Scope This National Annex gives: a)decisions for the Nationally Determined Parameters described in the following subclauses of BS EN 1996-2:2006: 2.3.4.2(2) spacing of movement joints; 3.5.3.1(1) pointing. b)decisions on the use of informative Annexes A to C (see NA.3); c)references to non-contradictory complementary information to assist the user to apply BS EN 1996-2:2006 (see NA.4). NA.2 Nationally Determined Parameters NA.2.1Spacing of movement joints see BS EN 1996-2:2006, 2.3.4.2(2) The maximum horizontal distance, lm, between vertical movement joints in external unreinforced non-loadbearing walls is given in Table NA.1. Licensed Copy: London South Bank University, London South Bank University, Tue Jul 03 01:12:32 GMT+00:00 2007, Uncontrolled Copy, (c) BSI NA to BS EN 1996-2:2006 2© BSI 2007 NA.2.2Pointing see BS EN 1996-2:2006, 3.5.3.1(1) The minimum depth of pointing, dp, for internal and external masonry is 15 mm for walls of thickness of 90 mm or greater. Walls of thickness less than 90 mm should not be raked out and pointed. NA.3 Decisions on the status of the informative annexes BS EN 1996-2:2006 informative Annex A may be used. Informative Annexes B and C should not be used. NA.4 References to non-contradictory complementary information see BS EN 1996-2:2006, 1.1(2), 2.3.1(1), 3.4(3) PD XXXX: 200Y, TITLE, a standard comprising complementary and non-contradictory material taken from BS 5628-1, BS 5628-2 and BS 5628-3 1) Morton J. Designers guide to EN 1996-1-1 Eurocode 6: Design of masonry structures Common rules for reinforced and unreinforced masonry structures 1) London: Thomas Telford Ltd. Manual for the design of plain masonry building structures to Eurocode 6 1) London: Institution of Structural Engineers EUROCODE 6 HANDBOOK 1) London: Department of Communities and Local Government Eurocode for Masonry, BS EN 1996: Guidance and Worked Examples 1) Surrey: British Masonry Society Table NA.1Maximum horizontal distance, lm, between vertical movement joints in external unreinforced non-loadbearing walls Type of masonrylm m Clay masonry 15 A) Calcium silicate masonry9 B) Aggregate concrete and manufactured stone masonry9 B) Autoclaved aerated concrete masonry9 B) Natural stone masonry20 C) A) The value for masonry walls containing bed joint reinforcement may be increased subject to expert advice. B) This value applies when the ratio, length to height of panel, is 3 to 1 or less. It should be reduced for masonry walls having a length to height ratio greater than 3. C) When using this figure, movement joints should be located at not more than 8 m from the corner. 1) In preparation. Licensed Copy: London South Bank University, London South Bank University, Tue Jul 03 01:12:32 GMT+00:00 2007, Uncontrolled Copy, (c) BSI This page deliberately left blank NA to BS EN 1996-2:2006 Licensed Copy: London South Bank University, London South Bank University, Tue Jul 03 01:12:32 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BSI British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. 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NA to BS EN 1996-2:2006 389 Chiswick High Road London W4 4AL Licensed Copy: London South Bank University, London South Bank University, Tue Jul 03 01:12:32 GMT+00:00 2007, Uncontrolled Copy, (c) BSI