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A reinforced concrete beam is 250mm wide and 300mm deep. The beam is simply supported over a span of 4m and carries uniform deadload of 5 kN/m including its own weight and a uniform liveload of 8 kN/m. The beam is reinforced for tension only with 4-16 mm diameter bars with an effective depth of 240mm, f'c=21 MPa, and fy=415 MPa.

A reinforced concrete beam is 250mm wide and 300mm deep. The beam is simply supported over a span of 4m and carries uniform deadload of 5 kN/m including its own weight and a uniform liveload of 8 kN/m. The beam is reinforced for tension only with 4-16 mm diameter bars with an effective depth of 240mm, f'c=21 MPa, and fy=415 MPa.

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 depth of the neutral axis in the transformed section of the beam in mm

Calculate the cracked moment of inertia Icr of the beam in x106 mm4.

Calculate the effective moment of inertia Ie of the beam in x106 mm4.

Calculate the instantaneous deflection of the beam in mm. 

 

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A reinforced concrete beam is 250mm wide and 300mm deep. The beam is simply supported over a span of 4m and carries uniform deadload of 5 kN/m including its own weight and a uniform liveload of 8 kN/m. The beam is reinforced for tension only with 4-16 mm diameter bars with an effective depth of 240mm, f'c=21 MPa, and fy=415 MPa.
Transcribed Image Text:A reinforced concrete beam is 250mm wide and 300mm deep. The beam is simply supported over a span of 4m and carries uniform deadload of 5 kN/m including its own weight and a uniform liveload of 8 kN/m. The beam is reinforced for tension only with 4-16 mm diameter bars with an effective depth of 240mm, f'c=21 MPa, and fy=415 MPa.
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