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BS EN 14024:2023 Metal profiles with thermal barrier. Mechanical performance. Requirements, proof and tests for assessment >
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BS EN 14024:2023 Metal profiles with thermal barrier. Mechanical performance. Requirements, proof and tests for assessment, 2023
- undefined
- European foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- Table 1 — Temperature categories and test temperature
- Figure 1 — Schematic diagram of mechanical design systems
- Figure 2 — Examples of mechanical design systems Type B
- Figure 3 — Examples of geometric design type 1 (symmetrically loaded profile)
- Figure 4 — Examples of geometric design type 2 (nearly symmetrically loaded profiles with eccentricity α = a/b ≤ 5)
- Figure 5 — Examples of geometric design type 3 (asymmetrically loaded profiles with eccentricity α = a/b > 5)
- Figure 6 — Examples of geometric design type 4 (non-symmetrically loaded profiles)
- 4 Symbols and abbreviations
- 5 Requirements [Go to Page]
- Figure 7 — Transfer of the self-weight of the infill element to the vertical profile by mechanical means [Go to Page]
- Table 2 — Mechanical properties to be evaluated by testing [Go to Page]
- 6 Tests [Go to Page]
- Figure 14 — Side view and front view of a test device (schematic) for determining the transverse tensile strength [Go to Page]
- Figure 15 — Schematic side view (a) and top view (blow up) (b) of the testing device to determine shear strength and elasticity constant [Go to Page]
- Figure 16 — Schematic view on a metal profile with thermal barrier under load [Go to Page]
- Figure 17 — Schematic flowchart for testing shear strength T and elasticity constant c [Go to Page]
- Figure 18 — Schematic side view (a) and top view (blow up) (b) of the testing device for special case number 1 [Go to Page]
- Figure 19 — Schematic side view (a) and top view (blow up) (b) of the testing device for special case number 2 [Go to Page]
- Figure 20 — Test device (schematic) for aging method 1 [Go to Page]
- Figure 21 — Method 1 Measurement of the remaining deformation Δh for M1 [Go to Page]
- Figure 22 — Test device (schematic) for ageing method 2
- Figure 23 — Method 2 - Load cycle
- Figure 24 — Method 2 - Temperature cycle - 12 h [Go to Page]
- Figure 25 — Method 2 Measurement of the remaining deformation f for M2 [Go to Page]
- Table 3 — Effects of different conditionings of the thermal barrier on the mechanical performances of the connection [Go to Page]
- Table 4 — Characteristic values to be reported
- Annex A (informative) Static proof
- A.1 Actions
- A.2 Profiles without shear connection (type C)
- A.2.1 Flexural stress
- Table A.1 — Table of requirements for the Ultimate Limit State
- Table A.2 — Suggested (not compulsory) partial load factors for windows, doors and curtain walls framing members
- Table A.3 — Suggested (not compulsory) load combination factors ψ for windows, doors and curtain walls framing members
- A.2.2 Transverse tensile strength
- A.2.3 Deflection
- Table A.4 — Table of requirements for the Serviceability Limits States
- A.2.3.1 Maximum limits on frontal deflection
- A.2.3.2 In plane deflection
- A.3 Profiles with shear connection (types A and B)
- A.3.1 General
- A.3.2 Metal profile sections
- A.3.3 Shear strength of the thermal barrier
- A.3.4 Transverse strength of the thermal barrier
- A.3.5 Deflection
- Annex B (informative) Extension of characteristic data for profile design
- B.1 General
- B.2 Shear strength T and transverse tensile strength Q
- B.3 Elasticity constant c, creep factor φc,s
- Figure B.1 — Schematic representation of thermal barriers
- Annex C (informative) Effective momentum of inertia of metal profiles with thermal barrier
- Figure C.1 — Load bearing performance of metal-plastic compound profiles in the case of : (a) an ideally rigid compound; (b) and (c) an elastic compound; (d) a loose compound in terms of shear stress.
- Figure C.2 — Schematic representation of the position of the axes through the centre of gravity and the moment of inertia of a compound profile and of the profile shells
- Figure C.3 — Simply supported beam loaded with a uniformly distributed load
- Figure C.4 — Simply supported beam subjected to a uniformly distributed temperature load
- Annex D (informative) Simple products which typically do not need a static proof by calculation
- D.1 General
- D.2 Simple product definition
- Figure D.1 — Typical thermal barrier profiles of windows, doors, and secondary constituent parts of curtain walls that can be verified according to the Annex D
- D.3 Mechanical properties
- D.3.1 General
- D.3.2 Condition 1
- D.3.3 Condition 2
- D.4 Static proof
- Table D.1 — Effective moment of inertia Ieff of the assembled profile
- Bibliography [Go to Page]