BS EN 1996-2-2006 Eurocode 6 Design of masonry structures - Design considerations selection of materials and execution of masonry《欧洲法规6 圬工结构的设计 设计考虑、材料选用和圬工施工》.pdf

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1、BRITISH STANDARDBS EN 1996-2:2006Eurocode 6 Design of masonry structures Part 2: Design considerations, selection of materials and execution of masonryICS 91.010.30; 91.080.30g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3

2、g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58Incorporating corrigendum September 2009National forewordThis British Standard is the UK implementation of EN 1996-2:2006, incorporating corrigendum September 2009. It supersedes DD ENV 1996-2:2001 which is withdrawn.The star

3、t and finish of text introduced or altered by corrigendum is indicated in the text by tags. Text altered by CEN corrigendum September 2009 is indicated in the text by .The structural Eurocodes are divided into packages by grouping Eurocodes for each of the main materials, concrete, steel, composite

4、concrete and steel, timber, masonry and aluminium. This is to enable a common date of withdrawal (DOW) for all the relevant parts that are needed for a particular design. The conflicting national standards will be withdrawn at the end of the co-existence period, after all the EN Eurocodes of a packa

5、ge are available.Following publication of the EN, there is a period allowed for national calibration during which the National Annex is issued, followed by a co-existence period of a maximum three years. During the co-existence period Member States will be encouraged to adapt their national provisio

6、ns.At the end of this co-existence period, the conflicting parts of national standard(s) will be withdrawn.In the UK, the corresponding national standards are: BS 5628-1:1992, Code of practice for use of masonry. Structural use of unreinforced masonry BS 5628-2:2000, Code of practice for use of maso

7、nry. Structural use of reinforced and prestressed masonry BS 5628-3:2001, Code of practice for use of masonry. Materials and components, design and workmanship and based on this transition period, these standards will be withdrawn/ revised on a date to be announced, but at the latest by March 2010.B

8、S EN 1996-2:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 15 February 2006 BSI 2010Amendments/corrigenda issued since publicationDate Comments 31 March 2010 Implementation of CEN corrigendum September 2009ISBN 978 0 580 69572 8The UK pa

9、rticipation in its preparation was entrusted by Technical Committee B/525, Building and civil engineering structures, to Subcommittee B/525/6, Use of masonry.A list of organizations represented on this subcommittee can be obtained on request to its secretary.Where a normative part of this EN allows

10、for a choice to be made at the national level, the range and possible choice will be given in the normative text, and a note will qualify it as a Nationally Determined Parameter (NDP). NDPs can be a specific value for a factor, a specific level or class, a particular method or a particular applicati

11、on rule if several are proposed in the EN.To enable EN 1996-2 to be used in the UK, the NDPs will be published in a National Annex, which will be made available by BSI in due course, after public consultation has taken place.This publication does not purport to include all the necessary provisions o

12、f a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.BS EN 1996-2:2006iblankEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 1996-2January 2006ICS 91.010.30; 91.080.30 Supersedes ENV 1996-2:1998 English Vers

13、ionEurocode 6 - Design of masonry structures - Part 2: Designconsiderations, selection of materials and execution of masonryEurocode 6 - Calcul des ouvrages en maonnerie - Partie2: Conception, choix des matriaux et mise en oeuvre desmaonneriesEurocode 6 - Bemessung und Konstruktion vonMauerwerksbaut

14、en - Teil 2: Planung, Auswahl derBaustoffe und Ausfhrung von MauerwerkThis European Standard was approved by CEN on 24 November 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national stan

15、dard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other lan

16、guage made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Ger

17、many, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGMan

18、agement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1996-2:2006: EIncorporating corrigendum September 2009EN 1996-2:2006 (E) 2 Contents Page Background of the Eurocode programme. 4

19、 Status and field of application of Eurocodes. 5 National Standards implementing Eurocodes 6 Links between Eurocodes and harmonised technical specifications (ENs and ETAs) for products 7 Additional information specific to EN 1996-2. 7 National annex for EN 1996-2 7 1 General . 8 1.1 Scope of Part 2

20、of Eurocode 6. 8 1.2 Normative references 9 1.3 Assumptions . 9 1.4 Distinction between principles and application rules. 9 1.5 Definitions. 10 1.5.1 General . 10 1.5.2 Terms and definitions relating to communication of design . 10 1.5.3 Terms relating to climatic factors and exposure conditions 10

21、1.5.4 Term relating to masonry units 10 1.5.5 Other terms 11 1.6 Symbols. 11 2 Design Considerations. 11 2.1 Factors affecting the durability of masonry 11 2.1.1 General . 11 2.1.2 Classification of environmental conditions . 11 2.1.2.1 Micro conditions of exposure. 11 2.1.2.2 Climatic factors (macr

22、o conditions of exposure) . 12 2.1.3 Aggressive chemical environments 12 2.2 Selection of materials. 13 2.2.1 General . 13 2.2.2 Masonry units 13 2.2.3 Masonry mortar and concrete infill. 14 2.2.3.1 General 14 2.2.3.2 Selection of factory made masonry mortar and concrete infill 14 2.2.3.3 Selection

23、of site-made masonry mortar and concrete infill 14 2.2.4 Ancillary components and reinforcement . 15 2.3 Masonry 15 2.3.1 Detailing 15 2.3.2 Joint finishes. 15 2.3.3 Masonry movement . 15 2.3.4 Movement joints 16 BS EN 1996-2:2006EN 1996-2:2006 (E) 3 2.3.4.1 General .16 2.3.4.2 Spacing of movement j

24、oints17 2.3.5 Permissible deviations17 2.3.6 Resistance to moisture penetration through external walls .18 3 Execution.18 3.1 General 18 3.2 Acceptance, handling and storage of materials.18 3.2.1 General 18 3.2.2 Reinforcement and prestressing materials 18 3.3 Preparation of materials19 3.3.1 Site-m

25、ade mortars and concrete infill 19 3.3.1.1 General .19 3.3.1.2 Chloride content 19 3.3.1.3 Strength of mortar and concrete infill.19 3.3.1.4 Admixtures and additions 19 3.3.1.5 Gauging 19 3.3.1.6 Mixing method and mixing time20 3.3.1.7 Workable life of mortars and concrete infill containing cement 2

26、0 3.3.1.8 Mixing in cold weather .20 3.3.2 Factory made mortars, pre-batched mortars, pre-mixed lime sand mortars and ready mixed concrete infill 20 3.4 Permissible deviations21 3.5 Execution of masonry.23 3.5.1 General 23 3.5.2 Laying masonry units.23 3.5.3 Pointing and jointing for masonry other t

27、han thin layer masonry .24 3.5.3.1 Pointing 24 3.5.3.2 Jointing.24 3.5.4 Incorporation of damp proof course membranes .24 3.5.5 Movement joints .24 3.5.6 Incorporation of thermal insulation materials 24 3.5.7 Cleaning facing masonry .24 3.6 Curing and protective procedures during execution 24 3.6.1

28、General 24 3.6.2 Protection against rain.25 3.6.3 Protection against freeze/thaw cycling .25 3.6.4 Protection against effects of low humidity .25 3.6.5 Protection against mechanical damage 25 3.6.6 Construction height of masonry25 A.1 Classification26 A.2 Exposure to wetting.27 B.1 Selection of maso

29、nry units and mortar29 C.1 Exposure classes 31 C.2 Selection of materials 31 BS EN 1996-2:2006EN 1996-2:2006 (E) 4 Foreword This document EN 1996-2 has been prepared by Technical Committee CEN/TC250 “Structural Eurocodes”, the secretariat of which is held by BSI. This European Standard shall be give

30、n the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2006, and conflicting national standards shall be withdrawn at the latest by March 2010. CEN/TC 250 is responsible for all Structural Eurocodes. This document supersedes ENV 1996-

31、2:1998 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 Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Lat

32、via, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. Background of the Eurocode programme In 1975, the Commission of the European Community decided on an action programme in the field of construction, ba

33、sed on Article 95 of the Treaty. The objective of the programme was the elimination of technical obstacles to trade and the harmonisation of technical specifications. Within this action programme, the Commission took the initiative to establish a set of harmonised technical rules for the design of c

34、onstruction works which, in a first stage, would serve as an alternative to the national rules in force in the Member States and, ultimately, would replace them. For fifteen years, the Commission, with the help of a Steering Committee with Representatives of Member States, conducted the development

35、of the Eurocodes programme, which led to the first generation of European codes in the 1980s. In 1989, the Commission and the Member States of the EU and EFTA decided, on the basis of an agreement1)between the Commission and CEN, to transfer the preparation and the publication of the Eurocodes to th

36、e CEN through a series of Mandates, in order to provide them with a future status of European Standard (EN). This links de facto the Eurocodes with the provisions of all the Councils Directives and/or Commissions Decisions dealing with European standards (eg. the Council Directive 89/106/EEC on cons

37、truction products - CPD - and Council Directives 93/37/EEC, 1)Agreement between the Commission of the European Communities and the European Committee for Standardisation (CEN) concerning the work on EUROCODES for the design of building and civil engineering works (BC/CEN/03/89).BS EN 1996-2:2006EN 1

38、996-2:2006 (E) 5 92/50/EEC and 89/440/EEC on public works and services and equivalent EFTA Directives initiated in pursuit of setting up the internal market). The Structural Eurocode programme comprises the following standards generally consisting of a number of parts: EN 1990, Eurocode: Basis of st

39、ructural design EN 1991, Eurocode 1: Actions on structures. EN 1992, Eurocode 2: Design of concrete structures. EN 1993, Eurocode 3: Design of steel structures. EN 1994, Eurocode 4: Design of composite steel and concrete structures. EN 1995, Eurocode 5: Design of timber structures. EN 1996, Eurocode

40、 6: Design of masonry structures. EN 1997, Eurocode 7: Geotechnical design. EN 1998, Eurocode 8: Design of structures for earthquake resistance. EN 1999, Eurocode 9: Design of aluminium structures. Eurocode standards recognise the responsibility of regulatory authorities in each Member State and hav

41、e safeguarded their right to determine values related to regulatory safety matters at national level where these continue to vary from State to State. Status and field of application of Eurocodes The Member States of the EU and EFTA recognise that Eurocodes serve as reference documents for the follo

42、wing purposes: as a means to prove compliance of building and civil engineering works with the essential requirements of Council Directive 89/106/EEC, particularly Essential Requirement N1 Mechanical resistance and stability and Essential Requirement N2 Safety in case of fire; as a basis for specify

43、ing contracts for construction works and related engineering services; as a framework for drawing up harmonised technical specifications for construction products (ENs and ETAs). The Eurocodes, as far as they concern the construction works themselves, have a direct relationship with the Interpretati

44、ve Documents2)referred to in Article 12 of the CPD, although they are of a 2)According to Article 3.3 of the CPD, the essential requirements (ERs) shall be given concrete form in interpretative documents for the creation of the necessary links between the essential requirements and the mandates for

45、harmonised ENs and ETAGs/ETAs.BS EN 1996-2:2006EN 1996-2:2006 (E) 6 different nature from harmonised product standards3). Therefore, technical aspects arising from the Eurocodes work need to be adequately considered by CEN Technical Committees and/or EOTA Working Groups working on product standards

46、with a view to achieving full compatibility of these technical specifications with the Eurocodes. The Eurocode standards provide common structural design rules for everyday use for the design of whole structures and component products of both a traditional and an innovative nature. Unusual forms of

47、construction or design conditions are not specifically covered and additional expert consideration will be required by the designer in such cases. National Standards implementing Eurocodes The National Standards implementing Eurocodes will comprise the full text of the Eurocode (including any annexe

48、s), as published by CEN, which may be preceded by a National title page and National foreword, and may be followed by a National Annex (informative). The National Annex may only contain information on those parameters which are left open in the Eurocode for national choice, known as Nationally Deter

49、mined Parameters, to be used for the design of buildings and civil engineering works to be constructed in the country concerned, ie.: values and/or classes where alternatives are given in the Eurocode, values to be used where a symbol only is given in the Eurocode, country specific data (geographical, climatic etc), eg. snow map, the procedure to be used where alternative procedures are given in the Eurocode and it may also contain: decisions on the application of informative annexes, references to non-contradictory complementary information

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