Question: Problem 3 . 1 : ULS Doubly reinforced concrete beams 1 - In reference to a reinforced concrete beam, what is meant by balanced failure?

Problem 3.1: ULS Doubly reinforced concrete beams
1- In reference to a reinforced concrete beam, what is meant by "balanced failure"?
2- Calculate the area of reinforcing steel and the ultimate bending moment for the section
given below for it to have a balanced failure (take Asc=0).
3- Is the beam ductile an 4 if not, what is the area of compression steel needed to make it
ductile?
fc'=50MPa,fsy=500MPa
Problem 3 . 1 : ULS Doubly reinforced concrete

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