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Determine the bending moment diagram of the frame shown in Figure 4 using the Moment Distribution Method. Support A settles by 30 mm and differential temperature is acting on the member CD. Consider E = 200 GPa, / = 6.75 x 108 mm* for all members and coefficient of thermal expansion, a = 10-5/°C. a) Determine fixed end moments. (6) b) Determine end moments. (3) c) Draw bending moment diagram. (6) 40 kN B с +20°C 4 m SA = 30 mm 5 m Figure 4 -6°C 300 mm
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