Question

The structural system shown in the figure is undetermined, using the moment area method to plot the shear diagrams and for the moment flexing. The stiffness value is constant, the cross section of the beam is uniform and constant.

30 KN. okv/m A EI B IC 2.80 m 3,00m 5,80 m

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Solution:- 30 KN 6 kN/m. А B 2.8 mi 3 m Support c is roller support Let Cy be the vertical reaction at c. Support A is fixedfrom equation (1) Ay 48-Cy 48 - 20:13 Ау 27.87 KN ETA = gives MA - 30x2.8 -(6x3)(2,8+1:5) + 20.13x5.8=0 MA - 84 - 77.4 + 116.Moment Area diagram. 44.64 KN-m. 33.39 kN-m. (20.13 x -3x2) B A shear force diagram - 2.13 KN 20.13 kN 27.84 KN 32.13 KN

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