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Semicircular grooves of radius r must be milled as shown in the sides of a steel...

Semicircular grooves of radius r must be milled as shown in the sides of a steel member. Using an allowable stress of 7.9 ksi, determine the largest bending moment that can be applied to the member when r = formula175.mml in. and when r = formula176.mml in. (Round the final answers to two decimal places.)

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The largest bending moment that can be applied when r is formula175.mml in. is ______ kip·in.

The largest bending moment that can be applied when r is formula176.mml in. is ______ kip·in.

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Show the dimensions of critical section for steel member Calculate the depth of the critical section from the diagram. d D-21Calculate the stress concentration factor for the critical section from the Figure (Stress concentration factors for flat barRewrite the equation (1) max Kx c 7.9x3.3 mx 2.08x1.875 Mmax-б.68kip-in. Calculate the depth of the critical section. d=D-2rAt =1.5 and-= 0.25. K= 1.6 Find the centroid distance of the critical section. 2 2 = 1.3 in. Calculate the moment of inertia

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