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BSI
BS 5291:1984

BS 5291:1984

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Specification for manufacture of finger joints of structural softwood

Available format(s)

Hardcopy , PDF

Superseded date

15-11-1995

Superseded by

BS EN 385:2001
BS EN 385:1995

Language(s)

English

Published date

28-09-1984

Publisher

British Standards Institution

Hardcopy - English
PDF - English

Foreword
Committees responsible
Specification
Section one. General
0. Introduction
1. Scope
2. Definitions
Section two. Manufacturing requirements
3. Timber
4. Joint spacing
5. Adhesives
6. Moisture content
7. Finger cutting
8. Gluing
9. Preservative and flame retardent treatments
10. Marking
Section three. Quality control
11. General
12. Records
13. Sampling
14. Preparation of specimens
15. Testing
16. Batch acceptance requirements
Section four. Joint efficiency rating
17. General
18. Sampling
19. Preparation of specimens
20. Testing
Appendices
A. Names and species of structural softwoods
B. Assessment of joint strength for quality control
C. Glue mix slip test
D. Determination of joint efficiency rating
Tables
1. Minimum joint testing frequency during production
2. Minimum breaking stress for unjointed defect-free
    softwood
3. Guide to the efficiency ratings of some profiles
    in bending
4. Names and botanical species of structural softwoods
    to be used for finger joints
5. Factor for depth
6. Factor for moisture content
7. Factor for calculation of control limits for minimum
    and mean breaking loads
8. Values of alpha
9. Factor for density
Figures
1. Typical profile of a finger joint
2. Restrictions on knots
3. Wane and cross section of wane and edge damage
4. Arrangement of bending test apparatus on specimen
    with a finger joint at mid-span
5. Close-contact joint

Requirements for profiles, joint efficiency rating, manufacture, strength tests and quality control for joints, 7.5 to 55 mm long.

Committee
B/518
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
UNE-EN ISO/IEC 27011:2020 Identical

BS 5268-4.1:1978 STRUCTURAL USE OF TIMBER - PART 4: FIRE RESISTANCE OF TIMBER STRUCTURES - SECTION 4.1: RECOMMENDATIONS FOR CALCULATING FIRE RESISTANCE OF TIMBER MEMBERS
BS 1186-2:1988 Timber for and workmanship in joinery Specification for workmanship

BS 6100-4.1(1984) : 1984 GLOSSARY OF BUILDING AND CIVIL ENGINEERING TERMS - FOREST PRODUCTS - CHARACTERISTICS AND PROPERTIES OF TIMBER AND WOOD BASED PANEL PRODUCTS
BS 6100-4.3:1984 Glossary of building and civil engineering terms. Forest products Wood based panel products
BS 6100-4.5:1984 Glossary of building and civil engineering terms. Forest products Cork
BS 6100-4.4(1985) : 1985 GLOSSARY OF BUILDING AND CIVIL ENGINEERING TERMS - FOREST PRODUCTS - CARPENTRY AND JOINERY
BS 6100-4.2:1984 Glossary of building and civil engineering terms. Forest products Sizes and quantities of solid timber

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