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BS 5628-2:1985

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Code of practice for use of masonry Structural use of reinforced and prestressed masonry
Available format(s)

Hardcopy , PDF

Superseded date

15-10-1995

Language(s)

English

Published date

29-03-1985

Foreword
Committees responsible
Code of practice
Section one. General
1. Scope
2. Definitions
3. Symbols
4. Alternative materials and methods of design and
    construction
Section two. Materials and components
5. General
6. Structural units
7. Steel
8. Damp-proof courses
9. Wall ties
10. Cements
11. Aggregate
12. Mortars
13. Concrete infill and grout
14. Colouring agents for mortar
15. Admixtures
Section three. Design objectives and general
recommendations
16. Basis of design
17. Stability
18. Loads
19. Structural properties and analysis
20. Partial safety factors
Section four. Design of reinforced masonry
21. General
22. Reinforced masonry subjected to bending
23. Reinforced masonry subjected to a combination of
    vertical loading and bending
24. Reinforced masonry subjected to axial compressive
    loading
25. Reinforced masonry subjected to horizontal forces
    in the plane of the element
26. Detailing reinforced masonry
Section five. Design of prestressed masonry
27. General
28. Design for the ultimate limit state
29. Design for the serviceability limit state
30. Design criteria for prestressing tendons
31. Detailing prestressed masonry
Section six. Other design considerations
32. Durability
33. Fire resistance
34. Accommodation of movement
35. Spacing of wall tiles
36. Drainage and waterproofing
37. D.p.cs and copings
Section seven. Work on site
38. Materials
39. Construction
40. Quality
Appendices
A. Design methods for walls incorporating bed joint
    reinforcement to enhance lateral load resistance
B. Wall tie for high-lift cavity walls
C. Estimation of deflection
D. Method for determination of charcteristic strength
    of brick masonry, fk
Tables
1. Requirements for mortar
2. Chloride content of mixes
3. Characteristic compressive strength, fk, of masonry
4. Characteristic tensile strength of reinforcing
    steel, fy
5. Elastic modulus for concrete infill, Ec
6. Partial safety factors, gamma mm, for strength of
    reinforced masonry in direct compression and
    bending: ultimate limit state
7. Partial safety factors gamma mv, gamma mb, gamma ms:
    ultimate limit state
8. Limiting ratios of span to effective depth for
    laterally-loaded walls
9. Limiting ratios of span to effective depth for beams
10. Values of the moment of resistance factor, Q, for
    various values of fk/gamma mm and lever arm factor,C
11. Effective height of walls and columns
12. Values of the coefficient alpha
13. Selection of reinforcement for durability
14. Minimum concrete cover for carbon steel reinforce-
    ment
15. Value of K
16. Value of reduction factor to allow for height to
    thickness ratio
Figures
1. Characteristic compressive strength, fk, of masonry
2. Short-term design stress-strain curve for reinforce-
    ment
3. Moment of resistance factor, Q
4. Hooks and bends
5. Typical short-term design stress-strain curves for
    normal and low relaxation tendons
6. Limiting values for stresses in tendons
7. Minimum concrete cover in pocket-type walls and
    in reinforced hollow blockwork walls
8. Wall tie for high-life grouted-cavity wall
9. Typical prisms for determination of fk
Index

Recommendations for the structural use of reinforced and prestressed masonry, written in limit state terms. Covers design of elements subjected to vertical, lateral and shear forces and durability of metal components. Appendix gives design methods for walls with bed joint reinforcement to enhance lateral load resistance.

Committee
B/525/6
DevelopmentNote
REPLACES CP 111:1970.
DocumentType
Standard
Pages
48
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

BS 5502-22:1993 Buildings and structures for agriculture Code of practice for design, construction and loading
BS 4729:1990 Specification for dimensions of bricks of special shapes and sizes
BS 8000-3:1989 Workmanship on building sites Code of practice for masonry
BS 6461-1:1984 Installation of chimneys and flues for domestic appliances burning solid fuel (including wood and peat) Code of practice for masonry chimneys and flue pipes
BS 4076:1989 Specification for steel chimneys
BS 6699:1992 Specification for ground granulated blastfurnace slag for use with Portland cement
BS 6180:1995 Code of practice for barriers in and about buildings
BS 5977-1:1981 Lintels Method for assessment of load
BS 5268-6.2(2001) : 2001 STRUCTURAL USE OF TIMBER - PART 6: CODE OF PRACTICE FOR TIMBER FRAME WALLS - SECTION 6.2: BUILDINGS OTHER THAN DWELLINGS NOT EXCEEDING FOUR STOREYS
BS 7370-2:1994 Grounds maintenance Recommendations for the maintenance of hard areas (excluding sports surfaces)
BS 5502-50:1989 Buildings and structures for agriculture Code of practice for design, construction and use of storage tanks and reception pits for livestock slurry
BS 8002:1994 Code of practice for earth retaining structures
BS 5502-22:1987 Buildings and structures for agriculture Code of practice for design, construction and loading
BS 5977-2:1983 Lintels Specification for prefabricated lintels
BS 5234-2:1992 Partitions (including matching linings) Specification for performance requirements for strength and robustness including methods of test
I.S. 325-2:1995 CODE OF PRACTICE FOR USE OF MASONRY - PART 2: MASONRY CONSTRUCTION
BS 5628-3:1985 Code of practice for use of masonry Materials and components, design and workmanship
BS 5234-1:1992 Partitions (including matching linings) Code of practice for design and installation
BS 8102:1990 Code of practice for protection of structures against water from the ground
08/30154716 DC : DRAFT DEC 2008 BS 5268-6-2 AMD1 - STRUCTURAL USE OF TIMBER - PART 6-2: CODE OF PRACTICE FOR TIMBER FRAME WALLS - BUILDINGS OTHER THAN DWELLINGS NOT EXCEEDING 4 STOREYS

BS DD86-1(1983) : 1983 DAMP-PROOF COURSES - METHODS OF TEST FOR FLEXURAL BOND STRENGTH AND SHORT TERM SHEAR STRENGTH
BS 5075-1:1982 Concrete admixtures Specification for accelerating admixtures, retarding admixtures and water reducing admixtures
BS DD86-2(1984) : 1984 DAMP-PROOF COURSES - METHOD OF TEST FOR CREEP DEFORMATION
BS 8110-2:1985 STRUCTURAL USE OF CONCRETE - PART 2: CODE OF PRACTICE FOR SPECIAL CIRCUMSTANCES
BS 5628-3:1985 Code of practice for use of masonry Materials and components, design and workmanship
BS CP3:CH5-2(1972) : AMD 7908 CODE OF BASIC DATA FOR THE DESIGN OF BUILDINGS - LOADING - WIND LOADS
BS 5075-2:1982 Concrete admixtures Specification for air-entraining admixtures
BS 8110-1:1985 Structural use of concrete Code of practice for design and construction
BS 6399-1:1984 Loading for buildings Code of practice for dead and imposed loads
BS 6073-1:1981 Precast concrete masonry units Specification for precast concrete masonry units
BS 6073-2:1981 Precast concrete masonry units Method for specifying precast concrete masonry units
BS 5628-1:1978 Code of practice for use of masonry Structural use of unreinforced masonry
BS 146-2:1973 Specification for Portland-blastfurnace cement. Metric units

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