The principle of this tutorial lies in designing a circular tie column to support an axial dead load of 250 kips and an axial live load of 305 kips. First of all, the design begins with 2% Ast also fc’ = 4ksi , fy = 60 ksi .Inside the provided video below you will find the solution of the column design. Basically the solution has been gone through in six steps which are described below:

1- By determining the design axial load = pu.

2- Reinforcement ratio should not be less than 1% not more than 8%.

3- Measure the section size or gross area = Ag.

4- By the help of gross area calculate the quantity of reinforcement = Ast.

5- The concrete cover should be assumed as 1.5 in.

6- Finally, perform a detailing check.

The Solution

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