08-30145245-DC.pdf
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1、a Date: 28 July 2008 Origin: National Latest date for receipt of comments: 30 September 2008 Project no.: 2006/00244 Responsible committee: B/525/1 Actions (loadings) and basis of design Interested committees: Title: Draft BS BS EN 1990(A1) UK National Annex for Eurocode Basis of structural design S
2、upersession information: If this document is published as a standard, the UK implementation of it will supersede BSEN1990 : 2002 NATIONAL ANNEX and partially supersede. NONE If you are aware of a current national standard which may be affected, please notify the secretary (contact details below). WA
3、RNING: THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 30 September 2008. This draft is issued to allow comments from interested parties; all comments will be given consideration prior to publication. No acknowledgement will normally be sent.
4、See overleaf for information on commenting. No copying is allowed, in any form, without prior written permission from BSI except as permitted under the Copyright, Designs and Patent Act 1988 or for circulation within a nominating organization for briefing purposes. Electronic circulation is limited
5、to dissemination by e-mail within such an organization by committee members. Further copies of this draft may be purchased from BSI Customer Services, Tel: +44(0) 20 8996 9001 or email . British, International and foreign standards are also available from BSI Customer Services. Information on the co
6、-operating organizations represented on the committees referenced above may be obtained from the responsible committee secretary. Cross-references The British Standards which implement International or European publications referred to in this draft may be found via the British Standards Online Serv
7、ice on the BSI web site http:/. Direct tel: 020 8996 7156 Responsible Committee Secretary: Ms C Price (BSI) E-mail: Draft for Public Comment Head Office 389 Chiswick High Road London W4 4AL Telephone: +44(0)20 8996 9000 Fax: +44(0)20 8996 7001 Form 36 Version 8.0 DPC: 08/30145245 DC Licensed CopyCh
8、inese University of Hong Kong, 21/10/2008 03:56, Uncontrolled Copy, (c) BSI b Introduction Your comments on this draft are invited and will assist in the preparation of the resulting British Standard. If no comments are received to the contrary, this draft may be implemented unchanged as a British S
9、tandard. Please note that this is a draft and not a typeset document. Editorial comments are welcomed, but you are advised not to comment on detailed matters of typography and layout. Submission of comments The guidance given below is intended to ensure that all comments receive efficient and approp
10、riate attention by the responsible BSI committee. This draft British Standard is available for review and comment online via the BSI British Standards Draft Review system at http:/. Registration is free and takes less than a minute. Once you have registered on the Draft Review system you will be abl
11、e to review all current draft British Standards of national origin and submit comments on them. You will also be able to see comments made on current draft standards by other interested parties. When submitting comments on a draft you will be asked to provide both a comment (i.e. justification for c
12、hange) and a proposed change. All comments will be checked by a moderator before they are made public on the site. This is to ensure that improper language or marketing is not placed on the site the technical content of your comment will not be judged or modified; similarly, your grammar or spelling
13、 will not be corrected. A link to the BSI British Standards Draft Review system, or to a specific draft hosted on the system, may be distributed to other interested parties so that they may register and submit comments. It is not necessary to purchase a copy of the draft in order to review or commen
14、t on it; however, additional copies of this draft may be purchased from BSI, Tel: +44(0) 20 8996 9001 or email: . Drafts and standards are also available in PDF format for immediate download from the BSI Shop http:/ Licensed CopyChinese University of Hong Kong, 21/10/2008 03:56, Uncontrolled Copy, (
15、c) BSI WARNING. THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 30 SEPT 2008. 1 Amendment 1 to NA to BS EN 1990:2002+A1:2005, Basis of structural design The following instructions form the amendment (alterations and additions) to this National
16、 Annex. Only affected subclauses are included. Contents of this amendment Title 1 Introduction 1 NA.1 Scope 2 NA.2 Nationally determined parameters 3 NA.3 Guidance on using the informative annexes B, C and D 15 NA.4 Reference to non-contradictory complementary information (NCCI) 15 Bibliography (new
17、 section) 17 List of tables Table NA.A1.2(B) Design values of actions (STR/GEO) (Set B) 3 Table NA.A.2.1 Recommended values of factors for road bridges 5 Table NA.A.2.2 Recommended values of factors for footbridges 5 Table NA.A.2.3 Recommended values of factors for railway bridges 6 Table NA.A.2.4(A
18、) Design values of actions (EQU) (Set A) 8 Table NA.A.2.4(B) Design values of actions (STR/GEO) (Set B) 10 Table NA.A.2.4(C) Design values of actions (STR/GEO) (Set C) 12 Title Change title from: “UK National Annex for Eurocode 0 Basis of structural design” to: “UK National Annex to Eurocode Basis o
19、f structural design”. Introduction Replace: “This National Annex has been prepared by BSI Subcommittee B/525/1, Actions (loadings) and basis of design and it is to be used in conjunction with BS EN 1990:2002: Eurocode Basis of structural design.” with: “This National Annex has been prepared by BSI S
20、ubcommittee B/525/1, Actions (loadings) and basis of design. In the UK, it is to be used in conjunction with BS EN 1990:2002+A1:2005. The start and finish of text introduced or altered by Amendment No. 1 will be indicated in the text by tags.” Licensed CopyChinese University of Hong Kong, 21/10/2008
21、 03:56, Uncontrolled Copy, (c) BSI WARNING. THIS IS A DRAFT AND MUST NOT BE REGARDED OR USED AS A BRITISH STANDARD. THIS DRAFT IS NOT CURRENT BEYOND 30 SEPT 2008. 2 NA.1 Scope Replace items c) and d) in NA.1.1 with: “c) the UK decisions for the Nationally Determined Parameters described in the follo
22、wing subclauses of BS EN 1990:2002+A1:2005: A.2.1(1) NOTE 3 A.2.2.1 (2) NOTE 1 A.2.2.2 (1), (3), (4), (6) A.2.2.3 (2), (3), (4) A.2.2.4 (1), (4) A.2.2.6 (1) NOTE 1, NOTE 2, NOTE 3 A.2.3.1 (1), (5), (7), (8) A.2.3.2 (1), Table A2.5 NOTE A.2.4.1 (1) NOTE 1, Table A2.6 NOTE 2; (2) NOTE A.2.4.3.2 (1) A.
23、2.4.4.1 (1) NOTE 3 A.2.4.4.2.1 (4)P A.2.4.4.2.2 Table A2.7 NOTE A.2.4.4.2.2 (3)P A.2.4.4.2.3 (1) A.2.4.4.2.3 (2), (3) A.2.4.4.2.4 (2), Table A2.8 NOTE 3 A.2.4.4.2.4 (3) A.2.4.4.3.2 (6) NOTE Clauses applicable for cranes and machinery; silos and tanks, etc. will be added by amending the National Anne
24、x at appropriate future dates. d) Guidance on use of the Informative Annexes B, C and D for buildings and civil engineering works. (See NA.3.1.) e) Guidance on use of the Informative Annexes B, C and D for bridges. (See NA.3.2.) f) References to non-contradictory complementary information applicable
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