1. A beam with width b = 300 mm and depth d = 600 mm is to be prestressed. Considering a 15% pre stress loss, compute the value of the final prestressing force P and eccentricity e. a) if the compressive stress is 21 MPa b) if the compressive stress at the bottom fiber is 12 MPa and the tensile stress at the top fiber is 2 MPа. c) if the compressive stress at the top fiber is 16 MPa and zero at the bottom fibers.

1. A beam with width b = 300 mm and depth d = 600 mm is to be prestressed. Considering a 15% pre stress loss, compute the value of the final prestressing force P and eccentricity e. a) if the compressive stress is 21 MPa b) if the compressive stress at the bottom fiber is 12 MPa and the tensile stress at the top fiber is 2 MPа. c) if the compressive stress at the top fiber is 16 MPa and zero at the bottom fibers.

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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