A pre tensioned beam is prestressed using 5mm diameter wires with an – McqOptions

MCQOPTIONS

1.	A pre tensioned beam is prestressed using 5mm diameter wires with an initial stress of 80 percent of the ultimate strength of steel fpu = 1600n/mm2. Calculate average bond stress?
A.	4.20n/mm2
B.	3.30n/mm2
C.	2.0n/mm2
D.	4.9n/mm2
Answer» C. 2.0n/mm2

Discussion

No Comment Found

Related MCQs

A pre tensioned beam is prestressed using 5mm diameter wires with an initial stress of 80 percent of the ultimate strength of steel fpu = 1600n/mm2. Calculate average bond stress?
A pretensioned beam is prestressed using 5mm diameter wires, τ bp = 7.42, ϕ = 0.00725, Lt = 485mm. Calculate the bond stress at l/4 and l/2 the transmission length from the end?
A pre tensioned beam is prestressed with the cube strength of concrete at transfer is 30n/mm2 (β = 0.0235) calculate the transmission length?
The prestressing force of 90 to 95 percent is obtained at about ____________
The stress in a steel wire gradually increases from zero to the ____________
The magnitude of the average bond stress compared to the maximum local bond stress is considerably ____________
According to Marshall the wires of 2 and 5mm diameter are stressed to ____________
The relations proposed by Marshall for bond stress are given as ____________
The bond stress is zero at the distance equal to the ____________
The magnitude of bond stresses is developed between ____________