(Solved): A plane frame structure is shown in Figure Q1. Support D is pinned whilst s ...

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A plane frame structure is shown in Figure Q1. Support D is pinned whilst supports B and \( \mathrm{C} \) are fixed. The Young's Modulus and Moment of Inertia for all members are constant. The column is subjected to a point load of \( 20 \mathrm{kN} \) at \( \mathrm{A} \) and a distributed load of \( 10 \mathrm{kN} / \mathrm{m} \) acts along span \( \mathrm{AD} \) as indicated in the figure. (a) Analyse the frame by using the moment distribution method. (18 marks) (b) Calculate the vertical support reaction at D of the frame. (8 marks) (c) Draw the shear force and the bending moment diagram for members whilst indicating all important values. (8 marks) (34 marks)