Given: A doubly reinforced rectangular concrete beam is subjected to a factored ultimate moment M=1396 kN.m. Assume f = 28 MPa, 1 = 420 MPa. Assume d = 75 mm, d= 700 mm, and b= %3D 380 mm. Design the section for this ultimate moment. Consider that Pma =Pa.0os = 0.01806 as singly reinforced beam. Keep the draft of your calculations with you; just fil your answers to the questions shown below, and no need to send any attachment. Check the capacity of the section if singly reinforced, and calculate Mamax kN.m What is the required area of tension steel A, (mm) A = mm What is the required area of compression steel A', (mm)? A', = mm What will be the compression steel (A) condition at ultimate?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Given: A doubly reinforced rectangular concrete
beam is subjected to a factored ultimate moment
M,-1396 kN.m. Assume f= 28 MPa, 1,= 420
MPa. Assume d = 75 mm, d= 700 mm, and b=
380 mm. Design the section for this ultimate
moment. Consider that P =Pa.005 = 0.01806 as
singly reinforced beam. Keep the draft of your
max
calculations with you; just fill your answers to the
questions shown below, and no need to send any
attachment.
Check the capacity of the section if singly
reinforced, and calculate Mamax=
kN.m
What is the required area of tension steel A, (mm)
?
mm
What is the required area of compression steel A',
(mm)?
mm
What will be the compression steel (A) condition
at ultimate?
Transcribed Image Text:Given: A doubly reinforced rectangular concrete beam is subjected to a factored ultimate moment M,-1396 kN.m. Assume f= 28 MPa, 1,= 420 MPa. Assume d = 75 mm, d= 700 mm, and b= 380 mm. Design the section for this ultimate moment. Consider that P =Pa.005 = 0.01806 as singly reinforced beam. Keep the draft of your max calculations with you; just fill your answers to the questions shown below, and no need to send any attachment. Check the capacity of the section if singly reinforced, and calculate Mamax= kN.m What is the required area of tension steel A, (mm) ? mm What is the required area of compression steel A', (mm)? mm What will be the compression steel (A) condition at ultimate?
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