RCC Structures Design
Steel bars are generally connected together to get greater length than the standard length by providing

Hooked splice
All listed here
Straight bar splice
Dowel splice

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RCC Structures Design
If the depth of actual neutral axis of a doubly reinforced beam

Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier
Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier
All listed here
Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously

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