Assumptions for Singly reinforced Sections | RCC Structures

Singly reinforced Sections | Design of RCC Structures

In our series of articles for singly reinforced sections, we have covered the following:

Now, we will move on with our discussion on “assumptions for singly reinforced sections”.

Stress-strain diagram
The equivalent stress-strain diagram is developed with respect to the mentioned assumptions in the post.
  1. The sections that are plane before bending remain plane after bending, at any cross-section.
  2. All tensile stresses are taken up by steel reinforcement and none by concrete.
  3. The stress to strain relationship of steel and concrete under working load is a straight line.
  4. The modular ratio m has the value 280/3σcbc
  5. There is a perfect adhesion between steel and concrete and no slip takes place between steel and concrete.