Premium Snap 450
18" Panel Width
ALLOWABLE LOAD TABLES FOR PREMIUM PANELS, INC. PREMIUM SNAP 450 STANDING SEAM PANELWidth: 18.00 inch, Alloy: ASTM A792- G50, Gauge: 24
Allowable Strength Design (ASD) Wind Load Factor = 1.0 Allowable Uniform Load (psf)
Span Deflection Span Length (Feet) 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75 4.00 1 L/180 105 83 67 55 46 39 33 29 25 L/240 105 83 67 55 46 39 33 29 25 L/360 105 83 67 55 46 39 33 29 25 2 L/180 105 83 67 55 46 39 33 29 25 L/240 105 83 67 55 46 39 33 29 25 L/360 105 83 67 55 46 39 33 29 25 3 L/180 121 95 77 64 53 45 39 34 30 L/240 121 95 77 64 53 45 39 34 30 L/360 121 95 77 64 53 45 39 34 30
Width: 18.00 inch, Alloy: ASTM A792- G50, Gauge: 24
Allowable Strength Design (ASD) Wind Load Factor = 1.0 Allowable Uniform Load (psf)
Span Deflection Span Length (Feet) 4.25 4.50 4.75 5.00 5.25 5.50 5.75 6.00 6.25 1 L/180 22 20 18 16 14 13 12 11 10 L/240 22 20 18 16 14 13 12 11 10 L/360 21 18 15 13 11 10 8 7 7 2 L/180 22 20 18 16 14 13 12 11 10 L/240 22 20 18 16 14 13 12 11 10 L/360 22 20 18 16 14 13 12 10 9 3 L/180 26 23 21 19 17 15 14 13 11 L/240 26 23 21 19 17 15 14 13 11 L/360 26 23 21 19 17 15 14 13 111. The formula's in Load Tables for EXPOSURE and DEFLECTION are:
One Span - Mp= .125wl^2, Mn= .125wl^2, x= .0130wl^4/EI
Two Span - Mp= .125wl^2, Mn= .096wl^2, x= .0092wl^4/EI
Three Span - Mp= .080wl^2, Mn= .107wl^2, x= .0069wl^4/EI
Modulas of Elasticity (E) = 29,500 ksi2. Allowable uniform loads are determined per the following:
a) Allowable Shear Stress (FV) [AISI c3.2]
b) Combined Bending and Shear [AISI c3.3]
c) Combined Bending and Web Crippling [AISI c3.5]3. Factors of Safety used to determine uniform loads:
W (Bending) = 1.67
W (Shear) = 1.67
W (Web Crippling) = 1.854. Allowances have been made for member Dead Weight.
5. Minimum panel support bearing length = 2.00 in
6. Concentrated load = 150 lb at mid-span, load width = 4 in
Simple Span : Max. Span = 1.989 ft (L/180)
Two Span : Max. Span = 2.332 ft (L/180)
Three Span : Max. Span = 2.485 ft (L/180)
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