### Question Description

Attached is the assignment questions, make sure to use correct number the PID to use is 6086509.

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## Final Answer

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Running head: Concrete design homework

Concrete design homework

Name of student

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Concrete design homework

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Question one

Given that;

PID it is 6086509 where A=6, B=O, C=8, D=6, E=5, F=0, G=9, f’c= 40 ksi, fy = 60 ksi, concrete

strain is 0.003 and yield strain of steel Es= 29x10^3ksi.

Nominal moment capacity Mn= p*bd^2*fy (1-0.59 p* fy/ f’c)

Mn= p*bd^2*fy (1-0.59 p* fy/f’c)

Where p= As/b*d

As*fy = 0.85f’c ab

a=ẞ*c

c=ϵu/ (ϵu+fy) *d where ϵu= concrete strain

ϵu= 0.003, fy=60 ksi and d =20.A’’ where A= 6 hence d= 20.6=20.6’’

c=ϵu/ (ϵu+fy) *d = 0.003/ (0.003+4...

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