Answer / anuj gade

life of rcc structure is up to 100 year.but now life span of rcc structure reduce due to bad quality of material,poor supervision ,poor technique, adjustment of steel.so friends we are engineers avoid this type of mistakes


thank u

Answer / manish mathur

what is the criteria behind 100 years?where it is
documented?

Answer / d.ramachandran

due to corrosion in steel

the cover of 25 to 40 mm is not enough probly

if cover is increased effective depth also will increase,but
lever arm will increase may be costly but may increase life
of structures in rcc

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