Computer · Environmental Engineering
Which of the following is an INCORRECT statement regarding underground sewers?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The pressure exerted by backfill on an underground sewer, the self-weight of the sewer, and superimposed traffic loads may cause compressive stresses in the pipe material.
- 2Temperature stresses are usually computed on underground sewers to avoid the cracking of their joints by the formula LαT.✓
- 3The pressure exerted by sewage when running full in a pipe is called internal pressure, and it may induce tensile stresses in the pipe material.
- 4Flexural stresses caused by beam action are normally ignored while designing underground sewer pipes.
Correct answer
Temperature stresses are usually computed on underground sewers to avoid the cracking of their joints by the formula LαT.
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