Strength of Materials 4th Edition by Pytel and Singer ...
Strength of Materials 4th Edition by Pytel and Singer Problem 115 page 16 . Given. Required diameter of hole = 20 mm Thickne: ss of plate = 25 mm Shear strength of plate = 350 MN/m. 2. Required: Force required to punch a 20mmdiameter hole. Solution 115. The resisting area is the shaded area along the perimeter and the shear force . is equal to the punching force .