Do this problem nearly on a separate page and staple it to this packet Figure 3

Question

Do this problem nearly on a separate page and staple it to this packet Figure 3 shows a constrained beam under a load P. The beam is made of A36 steel S_y = 36 ksi Indicate the points on the cross-section where the medium shear and bending stresses occur, respectively and what equations as used to calculate them. Draw shear and bending moment diagrams to scale, in terms of P. b. USe the parallel axis theorem to calculate the second moment of area of the beam. c. Calculate the maximum load P before dyeing occurs. Indicate on the sketch where the maximum stress occurs in the beam. Also, locate and calculate the maximum displacement due to this load. d. Calculate the reactions, and maximum bending stresses at C. Describe the difference between the loaded beam depicted in Figure 4 and that depicted in Figure 3. What effect would this have on stresses in the beam?

Explanation / Answer

In Fig 3. Because of free end at point 'A" , Beam will tend to rotate clock wise about the point 'B' and At point 'A' will be lifted

where as in Fig 4. It is a fixed beam canti Lever. It will bend like bow about point 'B'

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