Study of Factors affecting to Mechanical Strength of Hot Rolled Reinforcement Bars using Regression Analysis

Abstract

The mechanical strength of reinforcement bars is contributed by the chemical composition and process variables of hot rolling process. To identify the grade of the material, the mechanical strength of the rolled material is essential. To know this, a statistical model is developed to predict the mechanical strength of reinforcement bars produced by hot rolling. Multiple linear regression technique is used to study the relationship between mechanical properties, process variables and carbon equivalent of hot rolled reinforcement bars. This model gave an insight for predicting the mechanical strength of the material before taking up the tensile test of the material. Also useful for optimizing the process parameters for rolling the required material.