QUESTION 3 - 0 MARKS
3a.) Figure 3a shows the cross section of a T-beam, with the flange size and web size both equal to L, and uniform thickness. Show that the bending moment for the fully plastic beam is given by:
Mp = Sy^2(L+t)
State clearly all assumptions and boundary conditions used in your solution. (10 Marks)
For L = 100 mm and t = 12 mm, determine the Shape Factor (S.F):
(You may use the parallel axis theorem: Ix = Ico - Ad^2)
State clearly all assumptions and boundary conditions used in your solution. (10 marks)
Figure 3a: Cross section of the T-beam
(Question 3 continued on the next page)