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This is the last video of this lesson of pure bending where very first the video briefly shows how to check whether the attained values are correct at a quick glance. Next, the video shows the summary of the attained values over the free body diagram of force of the given section. Both the values of compressive forces, tensile forces & their relevant distances of acting from the top side of the given section have been graphically illustrated in greater details.

Moving on, the video shows how to take moment on the interaction point of compressive force of concrete; subsequently expands the equation & giving input all the required values finally the value of moment has been found out. In this case, the anticlockwise moment has been taken as positive & clockwise moment has been taken negative. The obtained result of moment reflects the moment at pure bending case. Lastly, the video refers next video to show how to plot all these obtained values to draw the strength interaction diagram for the given exemplary section.

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