How To Determine the Cutting Length of Spiral Ring To bind the pile inner bar known as master ring, the spiral ring is mainly applied. Master rings has the same functionality as circular stirrup. In this type of ring, a hook is not used but there is a spiral ring in exterior to bind the pile and it is known as spiral bar. Given below, the step-by-step methods to determine the cutting length of the spiral ring :The calculation is made based on the following data :Dia of pile = 1000mm or 1m Pitch or spacing of spiral bar = 200mm Length of pile = 20m Dia of spiral bar = 8mm Clear cover = 50mm
SOLUTION: Initially, it is required to determine the radius of the spiral and then length of the spiral ring as it completes the one pitch. The distance of the pitch is provided in the data.