ONORM EN 74-1 : 2006
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
COUPLERS, SPIGOT PINS AND BASEPLATES FOR USE IN FALSEWORK AND SCAFFOLDS - PART 1: COUPLERS FOR TUBES - REQUIREMENTS AND TEST PROCEDURES
09-29-2022
01-12-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
3.1 Terms and definitions
3.2 Symbols and abbreviations
4 Types and classes of couplers
4.1 Types of couplers
4.2 Classes of couplers
5 Reference tubes and bar for coupler tests
6 General requirements
6.1 Materials
6.2 Design
6.3 Manufacturer's drawing
6.4 Production
7 Test methods and evaluation of results
7.1 General
7.2 Slipping and failure force
7.3 Pull-apart force F[p] (RA)
7.4 Stiffnesses and ultimate moments
7.5 Indentation (RA,SW,PA)
8 Designation
9 Marking
10 Test report
11 Evaluation of test results
12 Assessment
13 Product manual
Annex A (normative) Whitworth thread size 1/2 X 12 Tpi
A.1 Nominal values
A.2 Tolerances and limiting dimensions after coating
Annex B (informative) Ongoing production control
Bibliography
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