Help me how to design the REINFORCED CONCRETE BEAMS WITH IRREGULAR CROSS SECTION as shown infigure 1 using the following parameters:F’c = 3,500 Psi Fy=Grade 40 Stirrups = Φ10mmMu = 200 Kn-M All Concrete cover = 30mm Es=200,000 MpaFind the following:AC area of compression concrete stress block in mm. Assume z = 0.85dEffa height of compression concrete stress block in mm.c distance from the neutral axis to outermost compression fiber in mm.z actual moment arm for Mu=ØTz in mm.As actual area of tension steel in sq.mm.N quantity of Ø20mm steel rebarsЄS Actual Strain of steelЄY Yield Strain of steelCheck if the beam is singly reinforced concrete in the designed then concludeCheck: ЄY < = > ЄSDraw the Working Drawings of the x-section. Given: Beam X-Section400 MM650 MMAs70 MM300 MM

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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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Help me how to design the REINFORCED CONCRETE BEAMS WITH IRREGULAR CROSS SECTION as shown in
figure 1 using the following parameters:
F’c = 3,500 Psi Fy=Grade 40 Stirrups = Φ10mm
Mu = 200 Kn-M All Concrete cover = 30mm Es=200,000 Mpa

Find the following:

AC area of compression concrete stress block in mm. Assume z = 0.85dEff
a height of compression concrete stress block in mm.
c distance from the neutral axis to outermost compression fiber in mm.
z actual moment arm for Mu=ØTz in mm.
As actual area of tension steel in sq.mm.
N quantity of Ø20mm steel rebars
ЄS Actual Strain of steel
ЄY Yield Strain of steel
Check if the beam is singly reinforced concrete in the designed then conclude
Check: ЄY < = > ЄS
Draw the Working Drawings of the x-section.

Given: Beam X-Section
400 MM
650 MM
As
70 MM
300 MM

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