Activity 2.3.1a Stress/Strain Calculations Worksheet



Activity 2.3.1a Stress/Strain Calculations WorksheetPractice Calculations Note: Use this sheet to document all steps for Activity 2.3.1 Stress/Strain Calculations. 18,000 lbsStress = 83 lbf/in2Stress = 18,000/216A = 24x9Area = 216 in2Stress = 83.3333Area = 220Stress = ?A = 24x9Stress = Load/AreaF = 18,000 lbsBase is 2ftx9in0.25D0.125 = r0.25 = DExpected to break at 63,750 PSI0.135A = 0.0490625Stress = 1299363.057Pi r2 = AMax rod diameter = ?D = 0.50R = 0.254700load41.125Stress if 32k lb. = 7111 PSI5500 = load if can’t exceed 25k PSIStress = 32k/4.5Stress = 7111Axial force = PStress = Force/areaLoad = p4in wide1.125 in thickP = 32k lbsMust not exceed 25k lbs prec of 10k35 ft long0.266 stretch8k lbs35ft long8000 lbs forceRod stretches 0.266Modulus of elasticity = 30m PSIDiameterStressStrainModulus of elasticity100ftCSA = 0.0144in2Length increases 0.75in at 270 lbsAxial stressStrainMoE of steelArea = 3.75Diag = 20ftStrain = 0.001200MaterialMoEWhich one is Stiffer40ft longx21) material H and D= 3/82) Material K D= 3/16a) Load 225 -lower end stretch = .1b) 22 to lower end of 2 is 0.25(Pi)r^29k load16ft longMoE 10millMax Elong 0.5Limited at 30k PSIMaximum Diameter ................
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