A concrete beam prestressed with a parabolic tendon is shown in the sketch. The eccentricity of the tendon is measured from the centroid of the cross-section. The applied prestressing force at service is 1620 kN. The uniformly distributed load of 45 kN/m includes the self-weight. 7300 Sectional elevation 750 Cross-section (tendon not shown) All dimensions are in mm The stress (in N/mm2) in the bottom fibre at mid-span is

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A concrete beam prestressed with a parabolic tendon is shown in the sketch. The eccentricity of the
tendon is measured from the centroid of the cross-section. The applied prestressing force at service is
1620 kN. The uniformly distributed load of 45 kN/m includes the self-weight.
500
7300
Sectional elevation
17:50
Cross-section
(tendon not shown)
All dimensions are in mm
The stress (in N/mm2) in the bottom fibre at mid-span is
Transcribed Image Text:A concrete beam prestressed with a parabolic tendon is shown in the sketch. The eccentricity of the tendon is measured from the centroid of the cross-section. The applied prestressing force at service is 1620 kN. The uniformly distributed load of 45 kN/m includes the self-weight. 500 7300 Sectional elevation 17:50 Cross-section (tendon not shown) All dimensions are in mm The stress (in N/mm2) in the bottom fibre at mid-span is
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