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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Exercise
A simply supported beam with a cross-section as shown in Fig. below spans 25m and
carries a total uniform load, including self-weight of 150kN/m. If the beam is prestressed
with a force of 4000KN acting at an eccentricity of 500mm below the centroid, determine:
1. Stress distribution at mid-span.
2. Upward force of tendons.
3. Specific creep and shrinkage if E=32600MPA, inside element and transfer load at 7days.
1000mm
250mm
250mm
N.A
1500mm
500mm
25m
500mm
Transcribed Image Text:Exercise A simply supported beam with a cross-section as shown in Fig. below spans 25m and carries a total uniform load, including self-weight of 150kN/m. If the beam is prestressed with a force of 4000KN acting at an eccentricity of 500mm below the centroid, determine: 1. Stress distribution at mid-span. 2. Upward force of tendons. 3. Specific creep and shrinkage if E=32600MPA, inside element and transfer load at 7days. 1000mm 250mm 250mm N.A 1500mm 500mm 25m 500mm
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