A 6m-simply supported beam cross-section is shown in the figure below is prestressd with 15 wires of 5mm diameter at the bottom and 3 wires at the top. Assuming prestress in steel is 840 Mpa and the density of concrete is 24 kN/m3. Calculate the stress at bottom extreme fiber at midspan. (Mpa)

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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A 6m-simply supported beam cross-section is shown in the figure below is prestressd with 15 wires of 5mm diameter at the bottom and 3 wires at the top. Assuming prestress in steel is 840 Mpa and the density of concrete is 24 kN/m3. Calculate the stress at bottom extreme fiber at midspan. (Mpa)
250 mm
25 mm
350 mm
65 mm
Transcribed Image Text:250 mm 25 mm 350 mm 65 mm
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