A pre tensioned beam is prestressed with the cube strength of concret – McqOptions

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1.	A pre tensioned beam is prestressed with the cube strength of concrete at transfer is 30n/mm2 (β = 0.0235) calculate the transmission length?
A.	645mm
B.	1100mm
C.	485mm
D.	1600mm
Answer» D. 1600mm

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