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A prestressed concrete beam of cross-sectional area A, moment of inertial ′l′, distance of top extreme fibre from neutral axis ′y′ and distance of bottom extreme fibre from neutral axis ′y′b is subjected to a prestressing force such that stress at top fibre is zero. What is the value of eccentricity ('r' is radius of gyration)? |
Answer» A prestressed concrete beam of cross-sectional area A, moment of inertial ′l′, distance of top extreme fibre from neutral axis ′y′ and distance of bottom extreme fibre from neutral axis ′y′b is subjected to a prestressing force such that stress at top fibre is zero. What is the value of eccentricity ('r' is radius of gyration)? |
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