Question 6 (15 Marks) The plane frame shown in Figure Q6 is subjected to vertical forces 2P at points A and B and vertic

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Question 6 15 Marks The Plane Frame Shown In Figure Q6 Is Subjected To Vertical Forces 2p At Points A And B And Vertic 1 (57.55 KiB) Viewed 18 times

Question 6 (15 Marks) The plane frame shown in Figure Q6 is subjected to vertical forces 2P at points A and B and vertical forces P at points C and D. The supports E, F, G, H, I and I are fixed. All members have flexural rigidity 2 El apart from columns CE and DF that have flexural rigidity 3El. The values of member lengths are also shown in Figure Q6. a) Assuming a symmetric no-sway buckling mode, derive the stability criterion of the frame shown in Figure Q6. [12 Marks) b) Sketch the symmetric no-sway buckling mode of the frame shown in Figure Q6. [3 Marks] 2P 2P G A IB H 2EI 2ΕΙ 2EI 2EI 2E1 P w D P 1 2EI 2E1 2EI 3EI ЗЕІ E 2L Figure 26 END OF PAPER