Design of Concrete beam A rectangular beam has a width of 375mm and has an effective depth of 450 mm. fc = 25 MPa, Fy = 300 MPa. 1. Determine the moment capacity if it is reinforced with steel area in tension As = 6000 mm. Use 0.9 as moment reduction factor. 2. Determine the depth of stress block if steel in compression As' = 3000 mm is added with steel covering of 50 mm below the top of the beam. 3. Determine the moment capacity of the beam reinforced for tension and compression. 375 0.85/c' 0.003 a 265.74 450 N.A |(d-an) 184.26 A=6000 T=As S, Es

Design of Concrete beam A rectangular beam has a width of 375mm and has an effective depth of 450 mm. fc = 25 MPa, Fy = 300 MPa. 1. Determine the moment capacity if it is reinforced with steel area in tension As = 6000 mm. Use 0.9 as moment reduction factor. 2. Determine the depth of stress block if steel in compression As' = 3000 mm is added with steel covering of 50 mm below the top of the beam. 3. Determine the moment capacity of the beam reinforced for tension and compression. 375 0.85/c' 0.003 a 265.74 450 N.A |(d-an) 184.26 A=6000 T=As S, Es

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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Design of Concrete Beams

Design of Concrete beam
A rectangular beam has a width of 375mm and has an effective depth of 450 mm. f'c = 25 MPa, Fy = 300
%3D
MРа.
1. Determine the moment capacity if it is reinforced with steel area in tension As = 6000 mm'. Use 0.9
as moment reduction factor.
2. Determine the depth of stress block if steel in compression As' = 3000 mm? is added with steel
covering of 50 mm below the top of the beam.
3. Determine the moment capacity of the beam reinforced for tension and compression.
375
0.85/c'
0.003
265.74
450.
N.A
(d-an)
184.26
A=6000.
T= As S,
Es

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