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SAMPLE PROBLEM NO. 1 The pretensioned rectangular beam shown has straight cables with initial stresses of 175 ksi and final stresses after losses of 140 ksi. Determine the deflection of the beam immediately after the cables are cut. E = 4x 106 psi. DL =(beam weight only) LL = 0.8 k/ft %3D 16" 20" 1.2 in. -30' 24 /37

SAMPLE PROBLEM NO. 1 The pretensioned rectangular beam shown has straight cables with initial stresses of 175 ksi and final stresses after losses of 140 ksi. Determine the deflection of the beam immediately after the cables are cut. E = 4x 106 psi. DL =(beam weight only) LL = 0.8 k/ft %3D 16" 20" 1.2 in. -30' 24 /37

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Calculate the deflection of the simply supported beam from the previous example if it was installed with parabolic tendons that falls from centroid at the ends to 6" at midspan. Calculate the final deflection after losses. C.g. parabolic tendons
Transcribed Image Text:Calculate the deflection of the simply supported beam from the previous example if it was installed with parabolic tendons that falls from centroid at the ends to 6" at midspan. Calculate the final deflection after losses. C.g. parabolic tendons
SAMPLE PROBLEM NO. 1 The pretensioned rectangular beam shown has straight cables with initial stresses of 175 ksi and final stresses after losses of 140 ksi. Determine the deflection of the beam immediately after the cables are cut. E = 4x 106 psi. DL = (beam weight only) LL = 0.8 k/ft %3D 16" 20" 1.2 in.? - 30'- 12" 24 / 37
Transcribed Image Text:SAMPLE PROBLEM NO. 1 The pretensioned rectangular beam shown has straight cables with initial stresses of 175 ksi and final stresses after losses of 140 ksi. Determine the deflection of the beam immediately after the cables are cut. E = 4x 106 psi. DL = (beam weight only) LL = 0.8 k/ft %3D 16" 20" 1.2 in.? - 30'- 12" 24 / 37
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