A prestresed concrete T-beam shown has a simple span of 9m and to be pre-stressed with tendons located 100mm from the bottom of the beam at midspan. 1. Determine the stress due to prestressing force of 1648kN at the bottom fiber of the beam at midspan. a.37.77 b.31.98 c.22.07 d.zero
A prestresed concrete T-beam shown has a simple span of 9m and to be pre-stressed with tendons located 100mm from the bottom of the beam at midspan. 1. Determine the stress due to prestressing force of 1648kN at the bottom fiber of the beam at midspan. a.37.77 b.31.98 c.22.07 d.zero
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A prestresed concrete T-beam shown has a simple span of 9m and to be pre-stressed with tendons located 100mm from the bottom of the beam at midspan.
1. Determine the stress due to prestressing force of 1648kN at the bottom fiber of the beam at midspan.
a.37.77 b.31.98 c.22.07 d.zero
2. Determine the ratio of the pre stressing to the total uniform load if the resulting moment at midspan is zero
a.43615.92 b.9.69 c.4.85 d. 1
Transcribed Image Text:soumn
300 mn
WAPOS!
450mm
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Determine the superimposed uniform load at the beam if the tensile stress at the bottom fiber is zero.
a 22.93 b.35.45 c.35.45 d.45.76
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