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Cold Formed Steel Presentation

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A presentation I have given at the University of Southern Queensland on the design of Cold-Formed Steel Battens

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William Hutton
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object]
[object Object],Sequence No. of Cycles Load A 4500 0 to 0.45Pt B 600 0 to 0.6 Pt C 80 0 to 0.8 Pt D 1 0 to 1.0 Pt E 80 0 to 0.8 Pt F 600 0 to 0.6 Pt G 4500 0 to 0.45 Pt
[object Object],[object Object],[object Object],[object Object],[object Object]
Batten Type No. of Tests Factor of Variability, kt Applied Load, Pt Ultimate Limit State Strength 40x0.75 4 1.50 5.37 3.58 64x0.75 1 1.79 4.90 2.73 64x1.00 1 1.79 5.21 2.91
 
 
[object Object],[object Object],[object Object],[object Object],[object Object]
Local Buckling Load Factor = 0.71 Half-Wavelength=1.6” Distortional Buckling Load Factor = 6.39 Half-Wavelength=21.0”
[object Object],[object Object],[object Object]
 
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Load-Span Capacity table for 40x0.75mm Batten Span 2 Batten Screws 4 Batten Screws w* u,uplift w* u,down w* u,uplift w* u,down 600 4.692 4.692 Cladding Connection Fatigue Strength 4.692 4.692 Cladding Connection Fatigue Strength 900 3.616 3.616 Batten Feet Fatigue Strength 4.692 4.692 Cladding Connection Fatigue Strength 1200 2.712 2.712 Batten Feet Fatigue Strength 3.187 3.526 Uplift: DSM Analysis. Downthrust: Connection Fatigue Strength 1500 2.030 2.170 Uplift: DSM Analysis, Downthrust: connection Fatigue Strength 2.030 2.351 Uplift: DSM Analysis. Downthrust: Connection Fatigue Strength
[object Object],[object Object],[object Object]
Thank You

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Measurement of the hot carrier damage profile in LDMOS devices stressed at hi...
 

Cold Formed Steel Presentation

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  • 6. Batten Type No. of Tests Factor of Variability, kt Applied Load, Pt Ultimate Limit State Strength 40x0.75 4 1.50 5.37 3.58 64x0.75 1 1.79 4.90 2.73 64x1.00 1 1.79 5.21 2.91
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  • 8.  
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  • 10. Local Buckling Load Factor = 0.71 Half-Wavelength=1.6” Distortional Buckling Load Factor = 6.39 Half-Wavelength=21.0”
  • 11.
  • 12.  
  • 13.
  • 14. Load-Span Capacity table for 40x0.75mm Batten Span 2 Batten Screws 4 Batten Screws w* u,uplift w* u,down w* u,uplift w* u,down 600 4.692 4.692 Cladding Connection Fatigue Strength 4.692 4.692 Cladding Connection Fatigue Strength 900 3.616 3.616 Batten Feet Fatigue Strength 4.692 4.692 Cladding Connection Fatigue Strength 1200 2.712 2.712 Batten Feet Fatigue Strength 3.187 3.526 Uplift: DSM Analysis. Downthrust: Connection Fatigue Strength 1500 2.030 2.170 Uplift: DSM Analysis, Downthrust: connection Fatigue Strength 2.030 2.351 Uplift: DSM Analysis. Downthrust: Connection Fatigue Strength
  • 15.