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BS EN 13001-3-5:2016+A1:2021 Cranes. General design - Limit states and proof of competence of forged and cast hooks, 2021
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms and definitions, symbols and abbreviations [Go to Page]
- 3.1 Terms and definitions
- 3.2 Symbols and abbreviations
- 4 General requirements [Go to Page]
- 4.1 Materials [Go to Page]
- 4.1.1 General
- 4.1.2 Typical standards and grades
- 4.1.3 Classification of hook materials
- 4.2 Workmanship [Go to Page]
- 4.2.1 !Forged hooks"
- 4.2.2 !Cast hooks
- 4.3 Manufacturing tolerances of forgings
- 4.4 Heat treatment
- 4.5 Cold forming by proof loading
- 4.6 Hook body geometry
- 4.7 Hook shank machining
- 4.8 Nut
- 4.9 Effect of hook suspension
- 5 Static strength [Go to Page]
- 5.1 General
- 5.2 Vertical design force
- 5.3 Horizontal design force
- 5.4 Bending moment of the shank [Go to Page]
- 5.4.1 General
- 5.4.2 Bending moment due to horizontal force
- 5.4.3 Bending moment due to inclination of hook suspension
- 5.4.4 Bending moment due to eccentricity of vertical force
- 5.4.5 Exceptional case for ramshorn hooks
- 5.4.6 Design bending moment of the shank
- 5.5 Hook body, design stresses [Go to Page]
- 5.5.1 Loadings
- 5.5.2 Stress calculation methods
- 5.5.3 Design stresses
- 5.6 Hook shank, design stresses
- 5.7 Hook, proof of static strength [Go to Page]
- 5.7.1 General for hook body and shank
- 5.7.2 !The use of static limit design force for verification of the hook body
- 6 Fatigue strength [Go to Page]
- 6.1 General
- 6.2 Vertical fatigue design force
- 6.3 Horizontal fatigue design force
- 6.4 Fatigue design bending moment of shank [Go to Page]
- 6.4.1 Bending moment due to horizontal force
- 6.4.2 Bending moment due to inclination of hook suspension
- 6.4.3 Bending moment due to eccentricity of vertical force
- 6.5 Proof of fatigue strength, hook body [Go to Page]
- 6.5.1 Design stress calculation
- 6.5.2 Stress history in general
- 6.5.3 Stress history based upon classified duty
- 6.5.4 Limit fatigue design stress
- 6.5.5 Execution of the proof
- 6.5.6 The use of fatigue limit design force for verification of the hook body
- 6.6 Proof of fatigue strength, hook shank [Go to Page]
- 6.6.1 General
- 6.6.2 Design stress calculation
- 6.6.3 Applied stress cycles
- 6.6.4 Basic fatigue strength of material
- 6.6.5 Stress concentration effects from geometry
- 6.6.6 Fatigue strength of notched shank
- 6.6.7 Mean stress influence
- 6.6.8 Transformation to stresses at zero mean stress
- 6.6.9 Stress history parameter in general
- 6.6.10 Stress history parameter based upon classified duty
- 6.6.11 Execution of the proof
- 6.7 Fatigue design of hook shanks for stand alone hooks
- 7 Verification of the safety requirements and/or protective measures [Go to Page]
- 7.1 General
- 7.2 Scope of testing and sampling
- 7.3 Testing of mechanical properties
- 7.4 Test loading
- 8 Information for use [Go to Page]
- 8.1 Maintenance and inspection
- 8.2 Marking
- 8.3 Safe use
- Annex A (informative)Sets of single hooks [Go to Page]
- A.1 !A series of single hooks of type RS/RSN, dimensions of hook bodies"
- A.2 !A series of single hooks of type RF/RFN, dimensions of hook bodies"
- A.3 !A series of single hooks of type B, dimensions of hook bodies"
- Annex B (informative)!A series of ramshorn hooks of type RS/RSN and RF/RFN, dimensions of hook bodies"
- Annex C (informative)!Dimensional tolerances of hook bodies"
- Annex D (normative)Static limit design forces of hook bodies [Go to Page]
- D.1 Static limit design forces of hook bodies for hooks of type RS and RF
- D.2 Static limit design forces of hook bodies for a series of hooks of type B, with additional materials
- Annex E (normative)Fatigue limit design forces of hook bodies [Go to Page]
- E.1 !Fatigue limit design forces of hook bodies for forged hooks of type RS and RF"
- E.2 !Fatigue limit design forces of hook bodies for a series of hooks of type B, with additional, forged materials"
- E.3 Fatigue limit design forces of hook bodies for cast hooks of type RS and RF
- E.4 Fatigue limit design forces of hook bodies for a series of hooks of type B, with additional, cast materials
- Annex F (informative)Sets of hook shank and thread designs [Go to Page]
- F.1 A series of hook shank and thread designs, a knuckle thread
- F.2 A series of hook shank and thread designs, a metric thread
- F.3 A series of hook shank and thread designs, a modified metric thread
- F.4 Hook shank and thread designs for hooks of type B
- Annex G (normative)Bending of curved beams [Go to Page]
- G.1 Basic formulae for stresses
- G.2 Approximation of the reference moment of inertia
- Annex H (normative)Calculation of hook suspension tilting resistance,articulation by a hinge or a rope reeving system [Go to Page]
- H.1 General
- H.2 Articulation of hook by a hinge
- H.3 Articulation of a hook suspension by a balanced rope reeving
- Annex I (informative)Guidance for the selection of a hook body size using Annexes D and E [Go to Page]
- I.1 General
- I.2 Case description
- I.3 Proof of static strength
- I.4 Proof of fatigue strength
- I.5 Final selection of hook
- Annex J (normative)Information to be provided by the hook manufacturer
- Annex K (informative)!Guidance on cold forming by proof loading of forged hooks"
- Annex L (informative)Selection of a suitable set of crane standards for a given application
- Annex M (informative)!List of hazards
- Annex ZA (informative)!Relationship between this European Standard and the essential requirements of Directive 2006/42/EC aimed to be covered [Go to Page]
