Question: A post - tensioned concrete beam has a rectangular cross section of 1 6 0 0 m m ( deep ) x 5 0 0

A post-tensioned concrete beam has a rectangular cross section of 1600mm(deep) x 500mm(wide).
The beam has prestressing steel only, at an effective depth of 1550mm.
The specified jacking force is 7000kN and total losses are 22%.
Strand area is 4900mm2 and strand characteristic breaking strength is 1790MPa.
Concrete strength is 40MPa.
Use the approximate method of AS3600 to calculate the ultimate moment capacity of the beam Mu.
A post - tensioned concrete beam has a

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