engineering recuitment ISRO Scientist Civil Mock Test Reinforced Concrete Structures Limit State Method
In limit state design, under – reinforced section is one in which
1
Tensile strain in steel reaches yield value while maximum compressive strain in concrete is less than its ultimate crushing strain.
2
Maximum tensile stress in steel reaches its permissible value while maximum compressive stress in concrete is less than its permissible value.
3
Maximum compressive strain in concrete reaches the ultimate crushing value while tensile strain in steel is less than its yield value.
4
Maximum compressive stress in concrete reaches its permissible value while tensile stress in steel is less than its permissible value.