Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
3.2 Symbols and abbreviations
4 General
5 Proof of static strength
5.1 General
5.2 Vertical hoisting
5.2.1 Design rope force
5.2.2 Inertial and gravitational effects
5.2.3 Rope reeving efficiency
5.2.4 Non parallel falls
5.2.5 Horizontal forces on the hoist load
5.3 Non vertical drives
5.3.1 Design rope force
5.3.2 Equivalent force
5.3.3 Inertial effects
5.3.4 Rope reeving efficiency
5.3.5 Non parallel falls
5.4 Limit design rope force
6 Proof of fatigue strength
6.1 General
6.2 Design rope force stren
6.2.1 Principle conditions
6.2.2 Inertial effects
6.2.3 Non parallel falls
6.2.4 Horizontal forces in vertical hoisting
6.3 Limit design rope force
6.3.1 Basic formula
6.3.2 Rope force history parameter
6.3.3 Rope force spectrum factor
6.3.4 Relative total number of bendings
6.3.5 Minimum rope resistance factor
6.4 Further influences on the limit design rope force
6.4.1 Basic formula
6.4.2 Diameters of drum and sheaves
6.4.3 Tensile strength of wire
6.4.4 Fleet angle
6.4.5 Rope lubrication
6.4.6 Multilayer drum
6.4.7 Groove radius
6.4.8 Rope types
Annex A (normative) Number of Relevant Bendings
Annex B (informative) Guidance for selection of design number of
hoist ropes used during the useful crane life
Annex C (informative) Selection of suitable set of crane standards
for a given application
Bibliography
Figures
Tables