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BS EN 13001-3-5:2016 - TC Tracked Changes. Cranes. General design - Limit states and proof of competence of forged hooks, 2020
- 30285284_NEW.pdf [Go to Page]
- Contents Page
- European foreword
- Introduction
- 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
- Table 1 — Symbols and abbreviations
- 4 General requirements [Go to Page]
- 4.1 Materials [Go to Page]
- 4.1.1 General
- Table 2 — Impact test requirement for hook material
- Table 3 — Sulphur and phosphorus content
- Table 4 — Hardenability of quenched and tempered materials, Jominy-ratio [Go to Page]
- 4.1.2 Typical standards and grades
- Table 5 — Suitable materials for forged hooks [Go to Page]
- 4.1.3 Classification of hook materials
- Table 6 — Mechanical properties for classified materials [Go to Page]
- 4.2 Workmanship
- Table 7 — Requirement for the deformation ratio [Go to Page]
- 4.3 Manufacturing tolerances of forgings
- 4.4 Heat treatment
- 4.5 Cold forming by proof loading
- 4.6 Hook body geometry
- Figure 1 — Hook dimensions [Go to Page]
- 4.7 Hook shank machining
- Figure 2 — Machined dimensions of shank [Go to Page]
- 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
- Figure 3 — Tilting of a hook in case of different hoist travel distances
- Figure 4 — Tilting of a hook suspension in a single rope reeving system [Go to Page]
- 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
- Figure 5 — Load actions on hook body and critical sections for calculation [Go to Page]
- 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
- Table 8 — Fatigue design parameters for classified duty [Go to Page]
- 6.5.4 Limit fatigue design stress
- Table 9 — Characteristic fatigue strength of forged hook materials [Go to Page]
- 6.5.5 Execution of the proof
- Table 10 — Fatigue strength specific resistance factor [Go to Page]
- 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
- Table 11 — Average number of horizontal accelerations pa [Go to Page]
- 6.6.4 Basic fatigue strength of material
- 6.6.5 Stress concentration effects from geometry
- Table 12 — Parameters for calculation of stress concentration factors [Go to Page]
- 6.6.6 Fatigue strength of notched shank
- 6.6.7 Mean stress influence
- Figure 6 — Smith diagram and transformation of stress amplitude [Go to Page]
- 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
- Figure 7 — Application of a test load or test forces on hook
- 8 Information for use [Go to Page]
- 8.1 Maintenance and inspection
- 8.2 Marking
- Figure 8 — Markings of a hook [Go to Page]
- 8.3 Safe use
- Annex A (informative) Sets of single hooks
- A.1 A series of single hooks of type RS/RSN, dimensions of forgings
- Figure A.1 — Symbols of dimensions for single hooks with concave flanks
- Table A.1 — Dimensions of forgings for single hooks in millimetres (mm)
- A.2 A series of single hooks of type RF/RFN, dimensions of forgings
- Figure A.2 — Symbols of dimensions for single hooks with straight flanks
- Table A.2 — Dimensions of forgings for single hooks in millimetres (mm)
- A.3 A series of single hooks of type B, dimensions of forgings
- Figure A.3 — Symbols of dimensions for single hooks
- Table A.3 — Dimensions of forgings for single hooks in millimetres (mm)
- Annex B (informative) A series of ramshorn hooks of type RS/RSN and RF/RFN, dimensions of forgings
- Figure B.1 — Symbols of dimensions for ramshorn hooks
- Table B.1 — Dimensions of forgings for ramshorn hooks in millimetres (mm)
- Annex C (informative) Dimensional tolerances of forgings
- Table C.1 — Single hooks, dimensional tolerances of forgings
- Table C.2 — Ramshorn hooks, dimensional tolerances of forgings
- Annex D (normative) Static limit design forces of hook bodies
- D.1 Static limit design forces of hook bodies for hooks of type RS and RF
- Table D.1 — Static limit design forces FRd,s in kilonewtons (kN)
- D.2 Static limit design forces of hook bodies for a series of hooks of type B, with additional materials
- Table D.2 — Static limit design forces FRd,s in kilonewtons (kN)
- Annex E (normative) Fatigue limit design forces of hook bodies
- E.1 Fatigue limit design forces of hook bodies for hooks of type RS and RF
- Table E.1 — Fatigue limit design forces FRd,f in kilonewtons (kN)
- E.2 Fatigue limit design forces of hook bodies for a series of hooks of type B, with additional materials
- Table E.2 — Fatigue limit design forces FRd,f in kilonewtons (kN)
- Annex F (informative) Sets of hook shank and thread designs
- F.1 A series of hook shank and thread designs, a knuckle thread
- Figure F.1 — Symbols of dimensions for a hook shank and thread
- Table F.1 — Dimensions of hook shank and thread in millimetres (mm)
- F.2 A series of hook shank and thread designs, a metric thread
- Figure F.2 — Symbols of dimensions for a hook shank and thread
- Table F.2 — Dimensions of hook shank and thread in millimetres (mm)
- F.3 A series of hook shank and thread designs, a modified metric thread
- Figure F.3 — Symbols of dimensions for a hook shank and thread
- Table F.3 — Dimensions of hook shank and thread in millimetres (mm)
- F.4 Hook shank and thread designs for hooks of type B
- Figure F.4 — Symbols of dimensions for a hook shank and thread
- Table F.4 — Dimensions of hook shank and thread in millimetres (mm)
- Annex G (normative) Bending of curved beams
- G.1 Basic formulae for stresses
- Figure G.1 — Symbols for curved beam bending calculation
- G.2 Approximation of the reference moment of inertia
- Figure G.2 — Factor k for a selection of section types
- Annex H (normative) Calculation of hook suspension tilting resistance, articulation by a hinge or a rope reeving system
- H.1 General
- Figure H.1 — General presentation of hook tilting resistance
- H.2 Articulation of hook by a hinge
- Figure H.2 — A hook suspension with a hook articulation by a hinge
- H.3 Articulation of a hook suspension by a balanced rope reeving
- Figure H.3 — An example of a rope reeving system
- Table H.1 — Rope forces in a tilted condition
- Annex I (informative) Guidance for the selection of a hook body size using Annexes D and E
- 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
- Table J.1 — Information to be provided by the hook manufacturer
- Annex K (informative) Guidance on cold forming by proof loading
- Annex L (informative) Selection of a suitable set of crane standards for a given application
- Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC
- Bibliography [Go to Page]
