A simply supported prestressed concrete beam with a cross-section of (200 mm width and 400 mm depth) is loaded by a uniform distributed service load (ws) in addition to its self-weight, see figure (Q2). Three years later, the total downward deflection of the member is found to be (60 mm). If the effective modulus of elasticity of the concrete is (0.1 x group) of the short-term modulus of elasticity and the losses in prestressed force are equal to (10 + Nº- ) %, determine the No. 2 applied UDL (ws). Prestressed force = 500 kN, Ecchort = 28 x 106 kN/m²

A simply supported prestressed concrete beam with a cross-section of (200 mm width and 400 mm depth) is loaded by a uniform distributed service load (ws) in addition to its self-weight, see figure (Q2). Three years later, the total downward deflection of the member is found to be (60 mm). If the effective modulus of elasticity of the concrete is (0.1 x group) of the short-term modulus of elasticity and the losses in prestressed force are equal to (10 + Nº- ) %, determine the No. 2 applied UDL (ws). Prestressed force = 500 kN, Ecchort = 28 x 106 kN/m²

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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