Question 3 (20 marks) A statically indeterminate beam shown in Figure 3 is subjected to distributed live load of w kN/m.

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Question 3 20 Marks A Statically Indeterminate Beam Shown In Figure 3 Is Subjected To Distributed Live Load Of W Kn M 1 (180.35 KiB) Viewed 20 times

Question 3 (20 marks) A statically indeterminate beam shown in Figure 3 is subjected to distributed live load of w kN/m. Set w = 15 kN/m. Consider A is a fixed support, B and C are roller supports. Support B is settled by 10 mm under the load. Take, modulus of elasticity, E = 200,000 MPa, second moment of area, / = 300 x 106 mm4 and L = 8 m. (a) Identify the degree of indeterminacy; (2 marks) (b) (C) Develop compatibility condition for redundant force By by using Force Method; (2 marks) Determine the displacement (8) and flexibility coefficient (fa) using method of virtual work (graphical method); (6 marks) (6 marks) (d) Find the value of the redundant force By. (e) Find the vertical reaction at A (Ay) and at C (Cy). (4 marks) W ***** A B L L Figure 3