The prestressed I beam shown in cross section is pre tensioned using seven ordinary strands grade 250 (fpu 1728 MPa) carrying an effective%3Dprestress fpe =988 MPa.fpy 1480 MPa%3D-3000.8Sfc150300440600(d-a/2)300T=Aps SpsAps 650 mm2Total depth of beam = 600 mmDistance from center to tendons to the top of the beam = 440 mmAps= 650 mm?Average flange thickness 150 mmWidth of flange 300 mm!3!Thickness of web 100 mmfc' = 27.6 MPaDetermine the depth of compression block. (mm)

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The prestressed I beam shown in cross section is pre tensioned using seven ordinary strands grade 250 (fpu 1728 MPa) carrying an effective prestress fpe = 988 MPa.fpy =1480 MPa -300 0.85fc 150 300 440 60- (d-a/2) 300 T=Aps Sps Aps 650 mm² Total depth of beam = 600 mm Distance from center to tendons to the top of the beam = 440 mm Aps = 650 mm2 Average flange thickness = 150 mm %3D Width of flange = 300 mm Thickness of web = 100 mm fc' = 27.6 MPa Determine the depth of compression block. (mm)

The prestressed I beam shown in cross section is pre tensioned using seven ordinary strands grade 250 (fpu 1728 MPa) carrying an effective prestress fpe = 988 MPa.fpy =1480 MPa -300 0.85fc 150 300 440 60- (d-a/2) 300 T=Aps Sps Aps 650 mm² Total depth of beam = 600 mm Distance from center to tendons to the top of the beam = 440 mm Aps = 650 mm2 Average flange thickness = 150 mm %3D Width of flange = 300 mm Thickness of web = 100 mm fc' = 27.6 MPa Determine the depth of compression block. (mm)

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter5: Beams

Section: Chapter Questions

Problem 5.6.3P

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