Consider again the conical water tank, shown below, that was discussed in one of the lectures. The tank is uniformly suspended around its upper rim, has wall thickness t, apex angle 2α, and is filled with water up to a depth h. Let w denote the weight per unit volume of water. If it is required that the maximum shear stress anywhere in the plane of the wall of the tank does not exceed τ all, then find the maximum permissible depth of water, hmax (in terms of w, t, α and τ all).
Note: You DO NOT need to derive the expressions for the membrane stresses.
Just use the expressions derived in the lecture.
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