Answer / subair

When the maximum stresses in steel and concrete
simultaniously reaches allowable value the section is
called balanced section
when the %of steel in a section is less than that
required for a balanced section it is under reinforced
section
when the %of steel in a section is more than that
required for a balanced section it is over reinforced
section

Answer / s.venkatesh naik

over reinforcement is as per section design I.e Ast1+Ast2>Ast
Ast1+Ast2<Ast it is under reinforced section


conclussion is : Total area of steel is less than the designed one it is under reinforced section
Total area of steel is over than the designed one it is over reinforced section

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