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QUESTION
Design of Prestressed Concrete
A rectangular concrete beam (b=250mm and D=500mm) is prestressed with hightensile wires initially to 1200 MPa at a maximum eccentricity of 175mm.Assuming R=0.80, Fc = -15 MPa and Ft = 1.5 MPa, determine the maximumsuperimposed service load the beam can carry if it is supported on a simple spanof 5m.
Unit workbook attached.
