UNIT III:
FLEXURE: ANALYSIS OF SECTIONS FOR FLEXUREBEAMS PRESTRESSED WITH STRAIGHT,
CONCENTRIC, ECCENTRIC, BENT AND PARABOLIC
TENDONS- STRESS DIAGRAMS- ELASTIC
DESIGN OF PSC BEAMS OF RECTANGULAR AND I
SECTIONS- KERN LINE – CABLE PROFILE
AND CABLE LAYOUT.SHEAR: GENERAL
CONSIDERATIONS- PRINCIPAL TENSION AND
COMPRESSION- IMPROVING SHEAR RESISTANCE
OF CONCRETE BY HORIZONTAL AND VERTICAL
PRESTRESSING AND BY USING INCLINED OR
PARABOLIC CABLES- ANALYSIS OF
RECTANGULAR AND I BEAMS FOR SHEAR –
DESIGN OF SHEAR REINFORCEMENTS- BUREAU OF
INDIAN STANDARDS (BIS) CODE PROVISIONS.