A prestressed concrete beam is simply supported over a span of 11 m. the beam is reinforced with straight tendons situated as shown in the figure under a prestressing force of 682 kN. The beam is carrying a live load of 16.14 kN/m² and a dead load of 22.09 kN/m2 excluding its own weight, Concrete weigh: 20.39 kN/m³ with modulus of elasticity Ec=17,459.32 MPa. Assuming tension concrete does not crack, what is the midspan deflection due to the given loads. (Include the sign if it is negative)
A prestressed concrete beam is simply supported over a span of 11 m. the beam is reinforced with straight tendons situated as shown in the figure under a prestressing force of 682 kN. The beam is carrying a live load of 16.14 kN/m² and a dead load of 22.09 kN/m2 excluding its own weight, Concrete weigh: 20.39 kN/m³ with modulus of elasticity Ec=17,459.32 MPa. Assuming tension concrete does not crack, what is the midspan deflection due to the given loads. (Include the sign if it is negative)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A prestressed concrete beam is simply supported over a span
of 11 m. the beam is reinforced with straight tendons situated
as shown in the figure under a prestressing force of 682 kN.
The beam is carrying a live load of 16.14 kN/m² and a dead
load of 22.09 kN/m² excluding its own weight, Concrete weighs
20.39 kN/m³ with modulus of elasticity Ec=17,459.32 MPa.
Assuming tension concrete does not crack, what is the
midspan deflection due to the given loads. (Include the sign if
it is negative)
N.A.
——
600mm
400 mm
150mm
150mm
650mm
WDL (kN/m)
WLL (kN/m)
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