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40 kN R1-5: A circular plate of diameter 120 mm and thickness 10 mm is placed over a circular hole of diameter 60 mm

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40 kN R1-5: A circular plate of diameter 120 mm and thickness 10 mm is placed over a circular hole of diameter 60 mm in the ground. A circular shaft of diameter 50 mm sits on top of the plate and has a force of 40 kN pressing down on it as shown below. Determine the average punching shear stress that the circular shaft creates in the circular plate if it "punches' through the plate creating a circular hole of 50 mm diameter in the plate. Also determine the average bearing stress developed between the plate and the ground it is resting on. Assume all stress distributions are uniform over the areas they are acting on. -50 mm- 60 mm- circular hole -120 mm Hole in ground shaft shaft plate Top view plate 10 mm

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