Design III Column Buckling experiment 3

Design III Column Buckling experiment 3 - Mean = (Sum of...

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Trial Steel Rod  P crit (1/8 in) lbs Aluminum Tube 1 43 2 43.2 3 43.2 4 43.6 5 43.4 6 44 7 43.1 8 44.5 Mean Load: 43.5 Std Deviation: 0.52 Increased Deflections  Load (lbs) 2/8" 52.1 0.25 3/8" 55.4 0.38 4/8" 57.3 0.5 5/8" 58.6 0.63 6/8" 58.7 0.75 Steel Rod Dimensions Aluminum Tube D Length (Effective): 27.5 in Length (Effective): 2 Width: .122 in Inside Radius: .245 Depth: .377 in Outside Radius: .48 Young's Modulus: 29.0 * 10^6 psi Young's Molulus: 10 Inertia (x): .00005705 in^4  Intertia: .04171 in^4 Inertia (y): .0005448 in^4 Critical Bucking Loads Critical Bucking L Hinged-Hinged (x) 21.59 Hinged-Hinged  Fixed-Fixed (x) 86.37 Fixed-Fixed  Hinged-Hinged (y) 206.19 Fixed-Fixed (y) 824.76
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Unformatted text preview: Mean = (Sum of Loads/8) Std Deviation = SQRT((1/7)*(((p1-p)^2)+((p2-p)^2)+((p3-p)^2)+((p4-p)^2)+((p5-p)^2)+ +((p7-p)^2)+((p8-p)^2))) Inertia (x) = b(h^3)/12 Inertia (y) = h(b^3)/12 Inertia(tube) = ((pi/4)((r1^4)-(r2^4))) P (critical) = ((pi^2)EI/(L^2)) Calibration Slope = 0.0857 P crit (1/8 in) lbs 163 166 163 167.5 174 162 168 171 166.8 4.21 imensions 27.25 in in 88 in 0.3 * 10 ^6 psi 4 oads 5710.4 22841.6 +((p6-p)^2) 51 52 53 54 55 56 57 58 59 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Load vs. Deflection Load (lbs) Deflection (in) 60 Column D...
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This note was uploaded on 01/30/2011 for the course ENGINEERIN E-102 taught by Professor Dr.doe during the Spring '10 term at BC.

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Design III Column Buckling experiment 3 - Mean = (Sum of...

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