A rectangular beam has a width of 375mm and has an effective depth of 450 mm. f'c = 25 MPa, Fy = 300 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.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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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
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
a
265.74
450.
N.A
(d-an)
184.26
=6000
T= A5 S,
Es
Transcribed Image Text:A rectangular beam has a width of 375mm and has an effective depth of 450 mm. f'c = 25 MPa, Fy = 300 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 a 265.74 450. N.A (d-an) 184.26 =6000 T= A5 S, Es
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