Assignment___12__3.5_A_-_D - CIVE 335 3.5.A 500 lb 4' Date...

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CIVE 335 Date 39737 Assignment # 12 Problem 3.5. A p. 87 NAME (Last, First) 3.5.A Draw the shear and bending moment diagrams for the beams, indicating all critical values for the diagram. 500 lb 1,200 lb 800 lb 4' 3' 7' 5' + = 2,500 lb = + x 15') - (800 lb x 10') - (1,200 lb x 3') + (500 lb x 4') = 0 x 15') - 8,000 ft-lb - 3,600 ft-lb + 2,000 ft-lb = 0 x 15') - 2,400 ft-lb = 0 = 2,400 ft-lb / 15' = 640 lb + - 500 lb - 1,200 lb - 800 lb = 0 + - 2,500 lb = 0 + 640 lb - 2,500 lb = 0 = 1,860 lb 1,360 lb Shear Diagram + Maximum Shear = 1,360 lb - Maximum Shear = - 640 lb 160 lb -500 lb -640 lb 3,200 ft-lb Moment Diagram 2,080 ft-lb + Maximum Moment = 3,200 ft-lb - Maximum Moment = -2,000 ft-lb - 2,000 ft-lb = - 500 lb x 4' = - 2,000 ft-lb = 1,360 lb x 3' = 4,080 ft-lb = 160 lb x 7' = 1,120 ft-lb = -640 lb x 5' = - 3,200 ft-lb Check: = -2,000 ft-lb + 4,080 ft-lb + 1,120 ft-lb + -3,200 ft-lb = 0 ∑ F y = 0 R 1 R 2 R 1 R 2 ∑ F y R 1 R 2 ∑ M R 1 = 0 (R 2 (R 2 (R 2 R 2 R 2 R 1 R 2 R 1 R 2 R 1 R 1 M (x = 0,4) M (x = 4,7) M (x = 7,14) M (x = 14,19) M (x = 0,19)
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CIVE 335 Date 10/16/08 Assignment #
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Assignment___12__3.5_A_-_D - CIVE 335 3.5.A 500 lb 4' Date...

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