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ed tendons with spec ess in prestressed rein ne prestressed beam

ed tendons with spec ess in prestressed rein ne prestressed beam

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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A 250 mm x 500 mm prestressed beam has a simple span of 6m. The beam uses stress relieved tendons with specified strength f,y 1350 MPa and an effective an effective stress in prestressed reinforcement after allowable for prestress losses fe 760 MPa. The prestressed beam is not to be grouted (unbonded) after the application of the prestress. If the area of prestress reinforcement in tension zone is Aps = 1000 mm applied 70 mm above the bottom of the beam and f'c 35 MPa, determine the safe ultimate moment capacity of the beam. (kN-m)
Transcribed Image Text:A 250 mm x 500 mm prestressed beam has a simple span of 6m. The beam uses stress relieved tendons with specified strength f,y 1350 MPa and an effective an effective stress in prestressed reinforcement after allowable for prestress losses fe 760 MPa. The prestressed beam is not to be grouted (unbonded) after the application of the prestress. If the area of prestress reinforcement in tension zone is Aps = 1000 mm applied 70 mm above the bottom of the beam and f'c 35 MPa, determine the safe ultimate moment capacity of the beam. (kN-m)
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