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Concrete Structures
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Concrete structures miscellaneous
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Concrete structures miscellaneous
Easy Questions
Concrete Structures
Concrete structures miscellaneous
A concrete beam of rectangular cross section of 200 mm × 400 mm is prestress with a force 400 kN at eccentricity 100 m. The maximum compressive stress in the concrete is
12.5 N/mm
2
7.5 N/mm
2
5.0 N/mm
2
2.5 N/mm
2
Correct Option:
A
σ
min
=
P
-
P
e
A
Z
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