ed (stress SS specified to ssing tend SSI

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The beam shown is prestressed using
a bonded (stress relieved tendons)
with a specified tensile strength of
prestressing tendons fpu = 1350
MPa, and fc' = 35 MPa. The area of
prestressed reinforcement in tension
zone Aps = 1000 mm². The specified
%3D
yield strength of prestressing
tendons fpy = 1160 MPa. Which of
the following gives the ultimate
moment capacity of the prestressed
beam. (kN-m)
0.85fc'
a
430
NA.-
(d-a/2)
· Ap=1000
250
Transcribed Image Text:The beam shown is prestressed using a bonded (stress relieved tendons) with a specified tensile strength of prestressing tendons fpu = 1350 MPa, and fc' = 35 MPa. The area of prestressed reinforcement in tension zone Aps = 1000 mm². The specified %3D yield strength of prestressing tendons fpy = 1160 MPa. Which of the following gives the ultimate moment capacity of the prestressed beam. (kN-m) 0.85fc' a 430 NA.- (d-a/2) · Ap=1000 250
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