EN 1996-1-1: Eurocode 6: Design of masonry structures ...

1 The European UnionIn order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to know and speak the laws that govern them. EDICT OF GOVERNMENT EN 1996-1-1 (2005) (English): Eurocode 6: Design of masonrystructures - Part 1-1: General rules for reinforced andunreinforced masonry structures [Authority: The EuropeanUnion Per Regulation 305/2011, Directive 98/34/EC, Directive2004/18/EC]EUROPEAN STANDARD NORME EUROPEENNE EUROpAISCHE NORM EN 1996-1-1 November 2005 ICS.

2 Supersedes ENV 1996-1-1: 1995, ENV 1996-1-3: 1998 Incorporating corrigendum July 2009 English Version Eurocode 6 - Design of masonry structures - Part 1-1: General rules for reinforced and unreinforced masonry structures Eurocode 6 Calcul des ouvrages en ma90nnerie Partie 1-1: Regles communes pour ouvrages en ma90nnerie armee et non armee Eurocode 6 -Bemessung und Konstruktion von Mauerwerksbauten - Teil1-1: Allgemeine Regeln fUr bewehrtes und unbewehrtes Mauerwerk This European Standard was approved by CEI\J on 23 June 2005. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

3 Up-to-date lists and bibliographical references concerning such national standards 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 language made by translation under the responsibility of a CEI\J member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

4 EUROPEAN COMMITTEE FOR STANDARDIZATION COMlTE EUROPEEN DE NORMALISATION EUROPAISCHES KOMTTEE FUR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1996-1-1 :2005: E BS EN 1996-1-1 :2005 EN 1996-1-1 :2005 (E) Contents Page Background to the Eurocode programme .. 7 Status and field of application of Eurocodes .. 8 National Standards implementing Eurocodes .. 9 Links between Eurocodes and harmonised technical specifications (ENs and ETAs) for products .. 9 National Annex for EN 1996-1-1 .. 10 1 2 2 General.

5 11 Scope .. 11 Scope of Eurocode 6 .. 11 Scope of Part 1-1 of Eurocode 6 .. 11 Normative references .. 13 General .. 13 Reference standards .. 13 Assumptions .. 14 Distinction between principles and application rules .. 14 Terms alld Definitions .. 15 General .. 15 Terms relating to masonry .. 15 Terms relating to strength of masonry .. 15 Terms relating to masonry units .. 16 Terms relating to mortar .. 17 Terms relating to concrete infill .. 18 Terms relating to reinforcement .. 18 Terms relating to ancillary components .. 18 Terms relating to mortar jOi11tS .. 19 Terms relating to wall types .. 19 Miscellaneous terms .. 20 Symbols .. 21 Basis 0 f Design .

6 27 Basic requirements .. 0 27 General .. 27 Reliability .. 27 Design working life and durability .. 27 Principles of limit state Design .. 27 Basic variables .. 28 Actions .. 28 Design values of actions .. 28 Material and product properties .. 28 Verification by the partial factor method .. 28 Design values of material properties .. 28 BS EN 1996-1-1 :2005 EN 1996-1-1 :2005 (E) Combination of actions .. 28 Ultimate limit states .. 28 Serviceability limit states .. 29 Design assisted by testing .. 29 3 Materials .. 30 masonry Units .. 30 Types and grouping of masonry units .. 30 Properties of masonry units -compressive strength.

7 32 Mortar .. 32 Types of masonry mortar .. 32 Specification of masonry mortar .. 32 Properties of mortar .. 33 Concrete infiII .. 33 General .. 33 Specification for concrete infill .. 33 Properties of concrete infill .. 33 Reinforcing steel .. 34 General .. 34 Properties of reinforcing steel bars .. 34 Properties of bed joint reinforcenlent .. 34 Prestressing steel .. 35 Mechanical properties of masonry .. 35 Characteristic compressive strength of masonry .. 35 Characteristic shear strength of masonry .. 38 Characteristic flexural strength of masonry .. 40 Characteristic anchorage strength of reinforcement ..42 Deformation properties of masonry .

8 43 Stress-strain relationship .. 43 Modulus of elasticity .. 44 Shear modulus .. 44 Creep, moisture expansion or shrinkage and thermal expansion .. 45 Ancillary components .. 45 Damp proof courses .. 45 Wall ties .. 45 Straps, ltangers and brackets .. 46 Prefabricated lintels .. 46 Prestressing devices .. 46 4 Durability .. 46 General .. 46 Classification of environmental conditions .. 46 Durability of masonry .. 46 masonry units .. 46 Mortar .. 46 Reinforcing steel .. 46 Prestressing steel .. 48 Prestressing devices .. 49 Ancillary components and support angles .. 49 masonry below ground .. 49 3 BS EN 1996-1-1 :2005 EN 1996-1-1 :2005 (E) 5 Structural analysis.

9 49 General .. 49 Structural behaviour in accidental situations (other than earthquakes and fire) .. 50 Imperfections .. 50 Second order effects .. 51 Analysis of structural members .. 51 masonry walls subjected to vertical loading .. 51 Reinforced masonry members subjected to vertical loading .. 57 masonry shear walls subjected to shear loading .. 60 Reinforced masonry members subjected to shear loading .. 62 masonry walls subjected to lateral loading .. 62 6 Ultimate Limit State .. 64 Unrein forced masonry walls subjected to mainly vertical loading .. 64 General .. 64 Verification of unreinforced masonry walls subjected to mainly vertical loading.

10 64 Walls subjected to concentrated loads .. 67 unreinforced masonry walls subjected to shear loading .. 70 unreinforced masonry walls subjected to lateral loading .. 70 General .. 70 Walls arching between supports .. 72 Walls subjected to wind loading .. 73 Walls subjected to lateral loading from earth and ,vater .. 73 Walls subjected to lateral loading from accidental situations .. 73 Unrein forced masonry walls subjected to combined vertical and lateral loading .. 74 General .. 74 Method using (jJ factor .. 74 Method using apparent flexural strength .. 74 Method using equivalent bending coefficients .. 74 Ties .. 74 Reinforced nlasonry menlbers subjected to bending, bending and axial loading, or axial loading.)