ISO 8686-5:2017
Cranes — Design principles for loads and load combinations — Part 5: Overhead travelling and portal bridge cranes
ISO 8686-5:2017 establishes the application of ISO 8686‑1 to overhead travelling and portal bridge cranes as defined in ISO 4306‑1 and gives specific values for the factors to be used.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Loads and applicable factors
5.1 Regular loads
5.1.1 General
5.1.2 Hoisting and gravity effects acting on the mass of the crane
5.1.3 Hoisting an unrestrained grounded load
5.1.4 Loads caused by travelling on an uneven surfaces
5.1.5 Loads caused by acceleration of drives
5.1.6 Positioning of loads
5.1.7 Loads induced by displacements
5.2 Occasional loads
5.2.1 General
5.2.2 Loads caused by skewing
5.3 Exceptional loads
5.3.1 General
5.3.2 Test loads
5.3.3 Loads due to buffer forces
5.3.4 Loads caused by emergency cut-out
5.3.5 Loads caused by apprehended failure of mechanism or components
5.3.6 Loads due to dynamic cut-off of hoisting movement by lifting force limiters
5.4 Miscellaneous loads
6 Applicable loads, load combinations and factors
7 Combination of acceleration effects
Annex A (informative) Skewing loads: Assumptions for simplified calculating methods
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Loads and applicable factors
5.1 Regular loads
5.1.1 General
5.1.2 Hoisting and gravity effects acting on the mass of the crane
5.1.3 Hoisting an unrestrained grounded load
5.1.4 Loads caused by travelling on an uneven surfaces
5.1.5 Loads caused by acceleration of drives
5.1.6 Positioning of loads
5.1.7 Loads induced by displacements
5.2 Occasional loads
5.2.1 General
5.2.2 Loads caused by skewing
5.3 Exceptional loads
5.3.1 General
5.3.2 Test loads
5.3.3 Loads due to buffer forces
5.3.4 Loads caused by emergency cut-out
5.3.5 Loads caused by apprehended failure of mechanism or components
5.3.6 Loads due to dynamic cut-off of hoisting movement by lifting force limiters
5.4 Miscellaneous loads
6 Applicable loads, load combinations and factors
7 Combination of acceleration effects
Annex A (informative) Skewing loads: Assumptions for simplified calculating methods
Bibliography