BS 4551:1980
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Methods of testing mortars, screeds and plasters
Hardcopy , PDF
15-02-1998
English
28-11-1980
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Foreword
Cooperating organizations
Section one. General
0. Introduction
1. Scope
2. References
3. Definitions
4. Sampling
Section two. Chemical testing
5. Laboratory preparation of samples for chemical
analysis
6. Chemical analysis and aggregate grading
7. Calculation of mix proportions and interpretation
of results
Section three. Physical testing
8. Laboratory preparation of mortar mixes
9. Procedure for plant and site mixed mortars
10. Determination of consistence by dropping ball
11. Determination of consistence retentivity and water
retentivity
12. Determination of flow
13. Determination of air content of freshly mixed mortars
14. Determination of stiffening rate
15. Determination of strength
16. Determination of bulk density of hardened mortar or
plaster
17. Certificate of physical tests
Appendix A
Details of flow table
Tables
1. Available lime contents of nominal volume mixes
2. Equations for the calculation of composition of
freshly mixed or hardened mortars, screeds and
plasters
3. Composition of types of mortars, screeds and plasters
4. Guide to minimum quantity of materials required for
various tests
5. Percentages of fractions of standard sands
6. Composition of laboratory mixes
Figures
1. Typical mixer bowl and blade
2. Diagrammatic representation of ball release
3. Suitable device for measuring penetration
4. Apparatus for measurement of air content (pressure
method)
5. Flow table and conical mould
6. Determination of stiffening rate of mortar
7. Compression jig for 25 mm x 25 mm x 100 mm mortar
specimens
Methods of sampling, analysis, preparation and testing of mortars for bricklaying, screeding, plastering and rendering.
| Committee |
B/519/2
|
| DevelopmentNote |
BS DRAFT 94/107156 DC REFERS TO AMD 2
|
| DocumentType |
Standard
|
| Pages |
46
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy |
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| BS 5385-3:1989 | Wall and floor tiling Code of practice for the design and installation of ceramic floor tiles and mosaics |
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| 03/303957 DC : DRAFT APR 2003 | BS 5385 - WALL AND FLOOR TILING - PART 3: CODE OF PRACTICE FOR THE DESIGN AND INSTALLATION OF INTERNAL AND EXTERNAL CERAMIC FLOOR TILES AND MOSAICS IN NORMAL CONDITIONS |
| I.S. 20-1:1987 | CONCRETE BUILDING BLOCKS - PART 1: NORMAL DENSITY BLOCKS |
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| BS 4887-2:1987 | Mortar admixtures Specification for set retarding admixtures |
| BS 6463-103:1999 | Quicklime, hydrated lime and natural calcium carbonate Methods for physical testing |
| BS 4887-1:1986 | Mortar admixtures Specification for air-entraining (plasticizing) admixtures |
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| BS 1902-11:1991 | Methods of testing refractory materials Refractory mortars and putties |
| BS 1881-4(1970) : LATEST | |
| BS 308-3:1972 | Engineering drawing practice. Geometrical tolerancing |
| BS 891-1:1962 | Method for Rockwell hardness test Testing of metals |
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