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The magnitude of hoop stress on sewer is given __________

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+1 vote
in Environmental Engineering by (81.4k points)
The magnitude of hoop stress on sewer is given __________

(a) PD/2t

(b) PD/t

(c) 2PD/t

(d) PD/2

The question was posed to me in an online quiz.

This is a very interesting question from Forces and Loads on Sewer in chapter Construction of Sewers, Sewer Appurtenances and Sewage Pumping of Environmental Engineering

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The correct choice is (a) PD/2t

To explain: The magnitude of hoop stress on sewer is given by PD/2t where, P is the internal pressure, D is the diameter of sewer and t is the thickness of the shell.

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