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ich that their centres are loca am has 4 No. 20mm diamete

ich that their centres are loca am has 4 No. 20mm diamete

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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Question
(b) A reinforced concrete T-beam is fabricated out of Grade 30 concrete. The top flange of the beam is 1800mm wide and 250mm thick. The stem of the T-beam is 600mm wide; the overall height of the beam is 515mm. The beam is reinforced by 9No. 25mm diameter bars, located in a single layer at the bottom, such that their centres are located at 48.5mm from the bottom soffit of the beam. In addition, the beam has 4 No. 20mm diameter bars, located in a single layer at the top. such that their centre is located at 46mm from the top surface. Obtain the ultimate moment of resistance of the reinforced concrete beam section if the yield stress of the steel is 560N/mm². Clearly highlight any assumptions made in the analysis.
Transcribed Image Text:(b) A reinforced concrete T-beam is fabricated out of Grade 30 concrete. The top flange of the beam is 1800mm wide and 250mm thick. The stem of the T-beam is 600mm wide; the overall height of the beam is 515mm. The beam is reinforced by 9No. 25mm diameter bars, located in a single layer at the bottom, such that their centres are located at 48.5mm from the bottom soffit of the beam. In addition, the beam has 4 No. 20mm diameter bars, located in a single layer at the top. such that their centre is located at 46mm from the top surface. Obtain the ultimate moment of resistance of the reinforced concrete beam section if the yield stress of the steel is 560N/mm². Clearly highlight any assumptions made in the analysis.
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