BS EN 1996-1-1:2022 – TC:2023 Edition

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Tracked Changes. Eurocode 6. Design of masonry structures – General rules for reinforced and unreinforced masonry structures

Published By	Publication Date	Number of Pages
BSI	2023	368

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Categories: 91.080.30 - Masonry, BSI

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Description

(1) The basis for the design of building and civil engineering works in masonry is given in this Part 1-1 of EN 1996, which deals with unreinforced masonry, reinforced masonry and confined masonry. Principles for the design of prestressed masonry are also given. This Part 1-1 of EN 1996 is not valid for masonry elements with a plan area of less than 0,04 m2. (2) For those types of structures not covered entirely, for new structural uses for established materials, for new materials, or where actions and other influences outside normal experience have to be resisted, the provisions given in this Part 1-1 of EN 1996 may be applicable, but may need to be supplemented. (3) Part 1-1 of EN 1996 gives detailed rules which are mainly applicable to ordinary buildings. The applicability of these rules may be limited, for practical reasons or due to simplifications; any limits of applicability are given in the text where necessary. (4) Part 1-1 of EN 1996 does not cover: – resistance to fire (which is dealt with in EN 1996-1-2); – particular aspects of special types of building (for example, dynamic effects on tall buildings); – particular aspects of special types of civil engineering works (such as masonry bridges, dams, chimneys or liquid-retaining structures); – particular aspects of special types of structures (such as arches or domes); – masonry where gypsum, with or without cement, mortars are used; – masonry where the units are not laid in a regular pattern of courses (rubble masonry); – masonry reinforced with other materials than steel.

PDF Catalog

PDF Pages	PDF Title
1	30479411
227	A-30392662
228	undefined
238	1 Scope 2 Normative references
240	3 Terms, definitions and symbols 3.1 Terms and definitions 3.1.1 Terms relating to masonry 3.1.2 Terms relating to strength of masonry
241	3.1.3 Terms relating to masonry units
242	3.1.4 Terms relating to concrete infill 3.1.5 Terms relating to reinforcement 3.1.6 Terms relating to ancillary components 3.1.7 Terms relating to mortar joints
243	3.1.8 Terms relating to mortar
244	3.1.9 Terms relating to wall types
246	3.1.10 Miscellaneous terms
247	3.2 Symbols
253	4 Basis of design 4.1 General rules 4.1.1 Basic requirements 4.1.2 Reliability 4.1.3 Durability 4.2 Principles of limit state design 4.3 Basic variables 4.3.1 Actions 4.3.2 Material, and product properties 4.4 Verification by the partial factor method 4.4.1 Design values of actions
254	4.4.2 Design values of material properties 4.4.3 Combination of actions 4.4.4 Ultimate limit states 4.4.5 Serviceability limit states
255	4.5 Design assisted by testing 5 Materials 5.1 Masonry units 5.1.1 Type of masonry units 5.1.2 Specification and grouping of masonry units
257	5.1.3 Properties of masonry units 5.2 Mortar 5.2.1 Type of masonry mortar 5.2.2 Specification of masonry mortar 5.2.3 Compressive strength of masonry mortar 5.3 Concrete infill 5.3.1 Type of concrete infill 5.3.2 Specification of concrete infill
258	5.3.3 Properties of concrete infill 5.4 Steel reinforcement 5.4.1 Type of reinforcing steel 5.4.2 Specification of reinforcing steel 5.4.3 Properties of bed joint reinforcement 5.5 Prestressing systems 5.5.1 General
259	5.5.2 Properties of prestressing steel 5.6 Ancillary components 5.6.1 Damp proof courses 5.6.2 Wall ties 5.6.3 Straps, hangers and brackets 5.6.4 Prefabricated lintels 5.7 Mechanical properties of masonry 5.7.1 Characteristic compressive strength of masonry 5.7.1.1 General 5.7.1.2 Characteristic compressive strength of non-shell bedded masonry 5.7.1.3 Characteristic compressive strength of non-shell bedded masonry, based on tests
260	5.7.1.4 Characteristic compressive strength of non-shell bedded masonry, based on rules
262	5.7.1.5 Characteristic compressive strength of shell bedded masonry
263	5.7.2 Characteristic shear strength of masonry 5.7.2.1 General
264	5.7.2.2 Characteristic initial shear strength
265	5.7.2.3 Characteristic friction coefficient 5.7.3 Characteristic shear strength of the interface between masonry and prefabricated lintel 5.7.4 Characteristic flexural strength of masonry
267	5.7.5 Characteristic anchorage strength of reinforcement
268	5.8 Deformation properties of masonry 5.8.1 Stress-strain relationship
269	5.8.2 Modulus of elasticity
270	5.8.3 Shear modulus 5.8.4 Creep, moisture expansion or shrinkage and thermal expansion
271	6 Durability 6.1 General 6.2 Classification of environmental conditions 6.3 Durability of masonry 6.3.1 Masonry units 6.3.2 Mortar 6.3.3 Reinforcing steel
273	6.3.4 Prestressing steel 6.3.5 Prestressing devices 6.3.6 Ancillary components
274	6.4 Masonry below ground 7 Structural analysis 7.1 General 7.2 Structural behaviour in accidental situations (other than fire)
275	7.3 Imperfections 7.4 Second order effects
276	7.5 Analysis of structural members 7.5.1 Masonry walls subjected to mainly vertical loading 7.5.1.1 General 7.5.1.2 Slenderness ratio of masonry walls 7.5.1.3 Effective height of masonry walls
279	7.5.1.4 Effective thickness of masonry walls
281	7.5.2 Unreinforced masonry walls subjected to mainly vertical loading 7.5.3 Reinforced masonry members subjected to mainly vertical loading 7.5.3.1 Slenderness ratio limit for reinforced masonry walls 7.5.3.2 Effective span of reinforced masonry beams (except deep beams)
282	7.5.3.3 Deep reinforced masonry beams subjected to vertical loading
283	7.5.3.4 Composite lintels subjected to vertical loading 7.5.3.5 Redistribution of internal forces 7.5.3.6 Limiting span of reinforced masonry beams
284	7.5.4 Confined masonry walls subjected to mainly vertical loading 7.5.5 Masonry walls subjected to in-plane horizontal loading
285	7.5.6 Reinforced masonry beams subjected to flexure and shear
286	7.5.7 Masonry walls subjected to mainly lateral loading 7.5.7.1 General 7.5.7.2 Calculation of applied moment
287	7.5.7.3 Dimensions
288	8 Ultimate limit states 8.1 General 8.2 Verification of unreinforced masonry walls subjected to mainly vertical loading 8.2.1 General
290	8.2.2 Reduction factor for slenderness and eccentricity
292	8.2.3 Concentrated loads
294	8.3 Verification of unreinforced masonry walls subjected to combined vertical and horizontal loading in the plane of the wall 8.3.1 In-plane shear resistance 8.3.2 Compressed part of the wall
295	8.4 Verification of unreinforced masonry walls subjected to mainly lateral loading 8.4.1 Loading types 8.4.2 Walls in flexure
296	8.4.3 Walls arching between supports
298	8.4.4 Out-of-plane shear resistance 8.5 Verification of unreinforced masonry walls subjected to combined vertical and lateral loading 8.5.1 General 8.5.2 Method using Φ factor 8.5.3 Method taking buckling and flexural strength into account
299	8.5.4 Method using the out-of-plane bending capacity of the wall 8.6 Ties
300	8.7 Verification of reinforced masonry members subjected to bending, bending and axial loading, or axial loading 8.7.1 General
301	8.7.2 Walls subjected to in-plane bending or in-plane bending and axial loading 8.7.3 Walls subjected to out-of-plane bending or out-of-plane bending and axial loading
305	8.7.4 Walls subjected to second order effects
306	8.7.5 Beams subjected to bending
307	8.7.6 Deep beams subjected to bending
308	8.7.7 Composite lintels subjected to bending
309	8.8 Verification of reinforced masonry members subjected to shear loading 8.8.1 General 8.8.2 Walls subjected to horizontal loads in the plane of the wall
311	8.8.3 Beams subjected to shear loading
312	8.8.4 Deep beams subjected to shear loading 8.8.5 Composite lintels subjected to shear loading 8.9 Prestressed masonry 8.9.1 General
313	8.9.2 Verification of members 8.10 Confined masonry 8.10.1 General
314	8.10.2 Verification of confined masonry walls subjected to mainly vertical loading 8.10.3 Verification of confined masonry walls subjected to combined vertical and horizontal loading in the plane of the wall 8.10.3.1 In-plane shear resistance
315	8.10.3.2 In-plane bending resistance
316	8.10.4 Verification of confined masonry walls subjected to other loading conditions 9 Serviceability limit states 9.1 General 9.2 Unreinforced masonry walls
317	9.3 Reinforced masonry members 9.4 Prestressed masonry members 9.5 Confined masonry members 9.6 Walls subjected to concentrated loads
318	10 Detailing 10.1 Masonry details 10.1.1 Masonry materials 10.1.2 Minimum thickness of wall 10.1.3 Minimum area of wall 10.1.4 Bonding of masonry 10.1.4.1 Manufactured units
319	10.1.4.2 Dimensioned natural stone units 10.1.5 Mortar joints 10.1.6 Bearings under concentrated loads 10.2 Reinforcement details 10.2.1 General
320	10.2.2 Cover to reinforcement 10.2.3 Minimum area of reinforcement
321	10.2.4 Size of reinforcing steel 10.2.5 Anchorage and laps 10.2.5.1 Anchorage of tension and compression reinforcing steel
322	10.2.5.2 Lapping of reinforcing steel
323	10.2.5.3 Anchorage of shear reinforcing steel 10.2.5.4 Curtailment of tension reinforcing steel
324	10.2.6 Restraint of compression reinforcing steel 10.2.7 Spacing of reinforcing steel
325	10.3 Prestressing details 10.4 Confined masonry details 10.5 Connection of walls 10.5.1 Connection of walls to floors and roofs 10.5.1.1 General
326	10.5.1.2 Connection by straps 10.5.1.3 Connection by frictional resistance 10.5.1.4 Ring ties and ring beams 10.5.2 Connection between walls 10.5.2.1 Intersections 10.5.2.2 Cavity and veneer walls
327	10.5.2.3 Double-leaf and collar jointed walls 10.6 Chases and recesses on walls 10.6.1 General 10.6.2 Vertical chases and recesses
328	10.6.3 Horizontal and inclined chases
329	10.7 Damp proof courses 10.8 Thermal and long term movement 11 Execution 11.1 General 11.2 Design of structural members 11.3 Loading of masonry
330	Annex A (informative)Consideration of partial factor for materials relating to execution A.1 Use of this Informative Annex A.2 Scope and field of application A.3 General
332	Annex B (informative)Method for calculating the second order effect B.1 Use of this Informative Annex B.2 Scope and field of application B.3 Total moment including second order effects
334	Annex C (informative)Simplified methods for calculating the out-of-plane eccentricity of loading on walls C.1 Use of this Informative Annex C.2 Scope and field of application C.3 Eccentricity with reinforced concrete floors
339	C.4 Eccentricity with timber floors
341	Annex D (informative)Bending moment coefficients, α2, in single leaf laterally loaded wall panels D.1 Use of this Informative Annex D.2 Scope and field of application
348	Annex E (informative)Limiting height and length to thickness ratios for unreinforced walls and walls with only bed joint reinforcement under the serviceability limit state E.1 Use of this Informative Annex E.2 Scope and field of application E.3 Limiting height and length to thickness ratios
351	Annex F (informative)Capacity reduction factor for slenderness and eccentricity F.1 Use of this Informative Annex F.2 Scope and field of application F.3 Reduction factor Φm for masonry walls subjected to mainly vertical loading (expressed as a function of eccentricity)
352	F.4 Reduction factor ΦM for masonry walls subjected to combined vertical and lateral loading (expressed as a function of normal load ratio)
355	Annex G (informative)Adjustment of lateral load for walls supported on three or four edges subjected to out-of-plane horizontal loading and vertical loading G.1 Use of this Informative Annex G.2 Scope and field of application G.3 Calculation of the reduction factor for the lateral load
356	Annex H (informative)Reinforced masonry members subjected to shear loading: enhancement of the design shear strength of masonry, fvd H.1 Use of this Informative Annex H.2 Scope and field of application H.3 Calculation of the design shear strength of masonry, fvd
357	Annex I (informative)A design method for complex shaped members subjected to mainly vertical loading I.1 Use of this Informative Annex I.2 Scope and field of application I.2.1 General
358	I.2.2 Geometrical considerations I.2.3 Masonry units I.3 Design of complex shaped members
363	Annex J (informative)Method for walls under combined lateral and vertical loading taking buckling due to vertical loading and flexural strength into account J.1 Use of this Informative Annex J.2 Scope and field of application J.3 Verifications
364	Annex K (informative)Mean material properties K.1 Use of this Informative Annex K.2 Scope and field of application K.3 Mechanical properties of masonry K.3.1 Mean compressive strength K.3.2 Mean shear strength of masonry K.3.2.1 General
365	K.3.2.2 Mean initial shear strength K.3.2.3 Mean friction coefficient K.3.3 Mean flexural strength of masonry
366	K.4 Deformation properties of masonry K.4.1 Stress-strain relationship K.4.2 Modulus of elasticity K.4.3 Shear modulus

Additional information

Status	Definitive
Pages	368
Publication Date	2023-09-11
ISBN	978 0 539 28478 2
Standard Number	BS EN 1996-1-1:2022 – TC
Title	Tracked Changes. Eurocode 6. Design of masonry structures – General rules for reinforced and unreinforced masonry structures
Descriptors	Design calculations, Reinforced materials, Compression testing, Structural design, Masonry work, Blocks (building), Symbols, Plastic analysis, Mechanical testing, Blockwork, Buildings, Brickwork, Stone, Classification systems, Mortars, Construction operations, Strength of materials, Walls, Construction materials, Structures, Design
Publisher	BSI
Committee	B/525/6
ICS Codes	91.080.30 - Masonry

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