How to Make Column Stirrups in 4 Easy Steps
Two types of bars are found in an RCC column. The longitudinal bar is one, and the horizontal bar is the other. Stirrups and ties are used as horizontal bars. Construction is another area where stirrup holds some other names, reinforcements such as rings and shears. Stirrups for a column are made by calculating the length of the bar for the stirrup, determining how many stirrups to use, and determining how big the stirrup should be.
Determine the Stirrup Size
The dimensions of the column are 20 inches by 40 inches. Column reinforcement needs a clear concrete cover of 112" in height.
As a result, 40′′-2*112”=37′′ and 20′′-2*112”=17′′ will be the length and width respectively.Therefore, the stirrups are 37" x 17".
Cutting Bar Length Calculations for Stirrup
Two-times the length plus two-times the width plus two-times the hook's length
This is equal to 2 x 37" + 2 x 17" + 2 x 3" = 114 inches or 9.5 feet.
Hook Length
The hook length is calculated based on a formula that is 6db multiplied by the bar diameter.
For 10mm* bar, the hook length is 6 x 10 is 60 mm.
As per code, the hook cannot be shorter than 75mm.
The stirrup hook length is 3′′ (75mm = 3′′).
Stirrups have a bar length of 9.5 feet. This will result in a shorter cutting bar than the actual bar. As the bar bends, its length is reduced. The reduced length of the bend is calculated using a certain formula.
The formula requires multiple calculations. 10 mm* bar - 1′′