BS 5628-1:2005:2009 Edition
$184.96
Code of practice for the use of masonry – Structural use of unreinforced masonry
| Published By | Publication Date | Number of Pages |
| BSI | 2009 | 80 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | BRITISH STANDARD |
| 2 | Committees responsible for this British Standard |
| 3 | Contents |
| 7 | General 1 Scope 2 Normative references |
| 8 | 3 Definitions actual dimension building classes building class 1 building class 2A |
| 9 | building class 2B building class 3 Category I masonry unit Category II masonry unit characteristic load characteristic strength of masonry compressive strength of masonry units (other than manufactured stone) column design load design strength effective height or length |
| 10 | effective thickness key element laterally loaded wall panels lateral support lateral support loadbearing wall masonry orthogonal ratio pier slenderness ratio masonry units types of masonry mortar designed masonry mortar prescribed masonry mortar |
| 11 | factory made masonry mortar semi-finished masonry mortar pre-batched masonry mortar premixed lime-sand masonry mortar thin layer masonry mortar types of wall single leaf wall double-leaf (collar jointed) wall cavity wall grouted cavity wall faced wall veneered wall wallette |
| 12 | 4 Symbols |
| 13 | 5 Alternative materials and methods of design and construction |
| 14 | Materials, components and workmanship 6 General 7 Masonry units 8 Laying of masonry units 8.1 General 8.2 Bricks with frogs 8.3 Hollow and cellular blocks 9 Rate of laying 10 Forming of chases and holes |
| 15 | 11 Damp proof courses 12 Wall ties, tension straps, joist hangers and brackets 13 Cements |
| 16 | 14 Masonry mortars 14.1 General 14.2 Semi-finished factory made and pre-batched mortars 14.3 Colouring agents 14.4 Plasticizers 14.5 Frost inhibitors |
| 17 | Masonry mortars |
| 18 | Design: objectives and general recommendations 15 Basis of design 16 Stability 16.1 General considerations |
| 19 | 16.2 Earth retaining and foundation structures 16.3 Accidental forces 16.4 During construction 17 Loads |
| 20 | 18 Design loads: partial safety factor, æf |
| 21 | 19 Characteristic compressive strength of masonry, fk 19.1 Normal masonry |
| 22 | Characteristic compressive strength of masonry, fk, in N/mm2 |
| 24 | 19.2 Masonry units laid other than on the normal bed face 19.3 Perforated bricks and hollow blocks 20 Characteristic flexural strength of masonry, fkx 20.1 General |
| 25 | 20.2 Flexural strength Characteristic flexural strength of masonry, fkx, N/mm2 |
| 26 | 21 Characteristic shear strength of masonry, fv 21.1 General Shear forces acting in the horizontal and vertical planes |
| 27 | 21.2 Vertical direction 22 Coefficient of friction 23 Partial safety factors for material strength, æm 23.1 General 23.2 Quality control |
| 28 | 23.3 Values of æm for normal and accidental loads Partial safety factors for material strength 23.4 Values of æmv for shear loads 23.5 Values of æmv for use with ties |
| 29 | Design: detailed considerations 24 Consideration of slenderness of walls and columns 24.1 Slenderness ratio 24.2 Lateral support |
| 30 | 24.3 Effective height or length |
| 31 | 24.4 Effective thickness Effective thickness of columns and walls |
| 32 | Stiffness coefficient for walls stiffened by piers 25 Special types of wall 25.1 General 25.2 Cavity walls |
| 33 | Selection of wall ties: types, categories and lengths 25.3 External cavity walls 25.4 External walls of framed structures 25.5 Faced walls |
| 34 | 25.6 Veneered walls 25.7 Double-leaf (collar jointed) walls 25.8 Grouted cavity walls 26 Eccentricity in the plane of the wall 27 Eccentricity at right angles to the wall |
| 35 | 28 Walls and columns subjected to vertical loading 28.1 Loads eccentric in the plane of the wall Load distribution from loading eccentric to plane of wall 28.2 Design strength of masonry |
| 36 | Capacity reduction factor, ¶ |
| 37 | 29 Walls subjected to shear forces |
| 38 | 30 Concentrated loads: stresses under and close to a bearing |
| 39 | Concentrated loads: types of bearing |
| 40 | Concentrated loads: types of bearing |
| 41 | Concentrated loads: types of bearing |
| 42 | Concentrated loads: load distribution |
| 43 | 31 Composite action between walls and their supporting beams 32 Walls subjected to lateral load 32.1 General 32.2 Supporting conditions and continuity |
| 44 | Vertical support conditions for laterally loaded panels |
| 45 | Horizontal support conditions 32.3 Limiting dimensions |
| 46 | 32.4 Methods of design for laterally loaded wall panels |
| 47 | Bending moment coefficients in laterally loaded wall panels |
| 48 | Bending moment coefficients in laterally loaded wall panels (continued) |
| 49 | Bending moment coefficients in laterally loaded wall panels (continued) |
| 50 | Bending moment coefficients in laterally loaded wall panels (concluded) |
| 52 | 32.5 Method of design for free-standing walls |
| 53 | 32.6 Retaining walls 32.7 Foundation walls |
| 54 | 32.8 Design lateral strength of axially loaded walls and columns Factor k |
| 55 | 32.9 Method of design for propped cantilever walls for single storey buildings under wind loading |
| 57 | Design: accidental damage 33 Design: accidental damage 33.1 General guidance 33.2 Key element |
| 58 | Loadbearing elements 33.3 Partial safety factors 33.4 Horizontal ties 33.5 Vertical ties |
| 59 | 33.6 Loadbearing elements Detailed accidental damage recommendations |
| 60 | Requirements for full peripheral, internal and column or wall ties |
| 61 | Requirements for full peripheral, internal and column or wall ties (concluded) Requirements for full vertical ties |
| 62 | (normative) Mortar testing of site made mortar (normative) Mortar testing of site made mortar Preliminary tests Interpretation of test results Site tests |
| 63 | (normative) Derivation of ¶ (normative) Derivation of ¶ Assumptions for eccentricity and slenderness Assumption for design of wall made from solid units |
| 64 | Alternative assumptions for design of single-leaf walls with hollow concrete blocks Alternative assumptions for design of single-leaf walls of shell bedded blocks or hollow clay masonry with divided bed joints Stress block under ultimate conditions |
| 65 | (informative) User categories for the selection and application of wall ties (informative) User categories for the selection and application of wall ties General Classification Classification of ties by end use |
| 66 | Functional sections Definitions for functional sections of masonry-masonry wall ties in an external cavity wall |
| 67 | Functional sections Dimensions and tolerances of ties Performance of wall ties Minimum declared tensile load capacity and compression load capacity for tie type |
| 68 | (informative) Connections to floors and roofs by means of tension straps and joist hangers (informative) Connections to floors and roofs by means of tension straps and joist hangers |
| 69 | Timber floor bearing directly on to wall |
| 70 | Timber floor using typical joist hanger Timber floor using nailed or bolted joist hangers acting as tie |
| 71 | Joist hanger as tie: nailed form Joist hanger as tie: bolted form |
| 72 | In-situ concrete floor bearing directly on to wall In-situ concrete floor abutting external cavity wall |
| 73 | Beam and pot floor abutting external cavity wall Timber floor abutting external cavity wall |
| 74 | Timber floor using double joist hanger acting as tie Timber floor using typical joist hanger |
| 75 | Timber floor abutting internal wall In-situ floor abutting internal wall |
| 76 | Beam and pot floor abutting internal wall Precast units abutting internal wall |
| 77 | (informative) Laterally loaded panels of irregular shape, or those containing openings (informative) Laterally loaded panels of irregular shape, or those containing openings Dividing a panel into parts to allow for openings |
