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A simply supported prestressed concrete beam is 6 m long the 300 mm wide. Its gross depth is 600 mm. It is prestressed by horizontal cable tendons at a uniform eccentricity of 100 mm. The prestressing tensile force in the cable tendons is 1000 kN. Neglect the self weight of beam. The maximum normal compressive stress in the beam at transfer is
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- Zero
- 5.55 N/mm2
- 11.11 N/mm2
- 15.68 N/mm2
Correct Option: C
σmax = | + | |||
A | Z |