RCC Structures Design
If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm² and 1400 kg/cm² respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is

0.796 %
0.696 %
0.496 %
0.596 %

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RCC Structures Design
Steel beam theory is used for

Steel beams encased in concrete
Design of simple steel beams
Beams if shear exceeds 4 times allowable shear stress
Doubly reinforced beams ignoring compressive stress in concrete

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RCC Structures Design
In a beam the local bond stress Sb, is equal to

Shear force/(Leaver arm × Total perimeter of reinforcement)
Leaver arm/(Bending moment × Total perimeter of reinforcement)
Total perimeter of reinforcement/(Leaver arm × Shear force)
Leaver arm/(Shear force × Total perimeter of reinforcement)

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