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A beam with width b = 300 mm and depth d = 650 mm is to be pre stressed. Considering a 15% pre stress loss, compute the value of the final pre stressing force P and eccentricity e. a. If the compressive stress of 21 MPa. b. If the compressive stress at the bottom fiber is 12 MPa and the tensile stress at the top fiber is 2 MPa. c. If the compressive stress at the top fiber is 16 MPa and zero at the bottom fibers

A beam with width b = 300 mm and depth d = 650 mm is to be pre stressed. Considering a 15% pre stress loss, compute the value of the final pre stressing force P and eccentricity e. a. If the compressive stress of 21 MPa. b. If the compressive stress at the bottom fiber is 12 MPa and the tensile stress at the top fiber is 2 MPa. c. If the compressive stress at the top fiber is 16 MPa and zero at the bottom fibers

Structural Analysis
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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A beam with width b = 300 mm and depth d = 650 mm is to be pre
stressed. Considering a 15% pre stress loss, compute the value of the
final pre stressing force P and eccentricity e.
a. If the compressive stress of 21 MPa.
b. If the compressive stress at the bottom fiber is 12 MPa and the
tensile stress at the top fiber is 2 MPa.
c. If the compressive stress at the top fiber is 16 MPa and zero at the
bottom fibers

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