The footing beam of the house is the reinforced concrete construction with deformed steels, and the width of the footing beam becomes narrower than conventional RC beam. Therefore a main reinforcement is arranged by one length and breadth. In late years all strength welding was developed. However, it needs a high technique. Therefore we bent a 180 degrees hook 45 degrees in this study more and developed a machined 225 degrees hook and tested the steel reinforced concrete construction footing beam using this and performed the comparison with a 180 degrees hook and the welding reinforcing rod.
