
Sewer Materials and Design

Flashcard
•
Other
•
University
•
Hard
Dr. Sumaraj
Used 1+ times
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25 questions
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1.
FLASHCARD QUESTION
Front
What are asbestos cement sewers made from?
Back
Asbestos fibers, silica, and cement.
2.
FLASHCARD QUESTION
Front
What are the typical sizes of asbestos cement sewers?
Back
Sizes range from 10 to 100 cm in diameter and up to 4 meters in length.
3.
FLASHCARD QUESTION
Front
What are the advantages of asbestos cement sewers?
Back
Lightweight and easy to transport, easy to cut and assemble, smooth interior (Manning’s n = 0.011).
4.
FLASHCARD QUESTION
Front
What are the disadvantages of asbestos cement sewers?
Back
Structurally not very strong and susceptible to corrosion by sulphuric acid.
5.
FLASHCARD QUESTION
Front
What types of concrete pipes are available?
Back
Plain cement concrete pipes (up to 0.45 m diameter) and reinforced cement pipes (up to 1.8 m diameter).
6.
FLASHCARD QUESTION
Front
What is the advantage of reinforced cement pipes?
Back
They can withstand higher pressures and are stronger than plain cement pipes.
7.
FLASHCARD QUESTION
Front
What are the advantages of concrete pipes?
Back
Strong in tension and compression, resistant to erosion, and economical for medium to large sizes.
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