e ultimate moment capacity of the

Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter6: Introduction To Mechanical Properties
Section: Chapter Questions
Problem 6.3P: Compare the engineering and true secant elastic moduli for the natural rubber in Example Problem 6.2...
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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 yield strength of prestressing
%3D
%3D
tendons fpy = 1160 MPa. Which of the following gives the ultimate moment capacity of the
%3D
prestressed beam. (kN-m)
0.85fc'
a
430
N.A.
(d-a/2)
A=1000
%3D1000
T=Ap, ps
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 yield strength of prestressing %3D %3D tendons fpy = 1160 MPa. Which of the following gives the ultimate moment capacity of the %3D prestressed beam. (kN-m) 0.85fc' a 430 N.A. (d-a/2) A=1000 %3D1000 T=Ap, ps 250
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