P is the prestressed force applied to the tendon of a rectangular pres – McqOptions

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1.	P is the prestressed force applied to the tendon of a rectangular prestressed beam whose area of cross section is A and sectional modulus is Z. The maximum stress f in the beam, subjected to a maximum bending moment M, is
A.	A
B.	B
C.	C
D.	D
Answer» D. D

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