The beam shown is prestressed using a bonded (stress relieved tendons) with a specified tensilestrength of prestressing tendons fpu = 1350 MPa, and fc' = 35 MPa. The area of prestressedreinforcement in tension zone Aps = 1000 mm2. The specified yield strength of prestressing%3D%3Dtendons fpy = 1160 MPa. Which of the following gives the ultimate moment capacity of the%3Dprestressed beam. (kN-m)0.85fc'a430N.A.(d-a/2)A=1000%3D1000T=Ap, ps250

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Answered: e ultimate moment capacity of the

Engineering

Civil Engineering

e ultimate moment capacity of the

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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Concept explainers

Members with compression and bending

Compression members are structural elements that carry compressive axial force. They are the vertical members of a building that support beams and their design, which is governed by buckling and strength. Columns are known as struct or compression members, which are subjected to compressive forces. These members provide stiffness to the building and avoid any imperfection regarding the transfer of axial load. For instance, webs in a truss, braces in a framed structure, tiers, and so on.

Question

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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