Effect of Concrete Rebar Joint Arrangement on Weldability of Hot Dip Galvanizing Rebar by Shielded Metal Arc Welding

Abstract

This paper deals with the welding properties of shielded metal arc welding for hot dip galvanizing rebar to discuss the applicability of hot dip galvanizing steel to concrete rebar. The concrete rebar has many projection points to assure its adhesive property with concrete. The influence of these projections at the flare groove joint arrangement on the weldability of shielded metal arc welding has been mainly investigated. As a result, the optimum arrangement of projection points on flare groove joint which shows less cavity formation and high joint shear strength has been made clear.