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Calculate Circumferential Prestress of a Cylindrical Prestressed Concrete Water Tank

Question 15

Multiple Choice

Calculate circumferential prestress of a cylindrical prestressed concrete water tank given that the thickness is 12mm, loss ratio is 0.75, the maximum stress under working pressure is 1n/mm2(Nd value is 720) ?


A) 9.4n/mm2
B) 5.6n/mm2
C) 11.2n/mm2
D) 15.2n/mm2

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