A tall standpipe with an open top, as shown, has diameter d = 2 m and wall thickness t = 5 mm.
a. If a circumferential stress of 32 MPa is measured in the wall at the bottom of the standpipe, what is the height h of water in the standpipe?
b. What is the axial stress in the standpipe wall due to the water pressure?
c. What is the maximum shear stress induced in the standpipe wall, and where does it occur?