A beam with a rectangular cross section of size 250 mm wide and 350 mm deep is prestressed by a force of 400 kN using 8 numbers 7 mm steel cables located at an eccentricity of 75 mm. Determine the loss of prestress due to creep of concrete. Grade of concrete is M40; Coefficient of creep is 2; stress at transfer is 80%, Modulus of elasticity of steel (E) is 2.0 x 105 MPa.

A beam with a rectangular cross section of size 250 mm wide and 350 mm deep is prestressed by a force of 400 kN using 8 numbers 7 mm steel cables located at an eccentricity of 75 mm. Determine the loss of prestress due to creep of concrete. Grade of concrete is M40; Coefficient of creep is 2; stress at transfer is 80%, Modulus of elasticity of steel (E) is 2.0 x 105 MPa.

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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