某工程桩基顶部主筋与箍筋采用点焊,调直钢筋时发现多处主筋自焊点处脆断,本文对钢筋进行了化学成分分析,并对不同试件作了钢筋物理力学性能实验,研究电弧点焊对钢筋性能的影响,并提出一些处理意见和建议。 The main reinforcement and stirrup on the top of an engineering pile are spot-welded. When the reinforcing steel bars are straightened, many main reinforcing bars are found to be brittle broken from the welding spot. In this paper, the chemical composition analysis of the reinforcing bars is carried out, and the physical and mechanical properties of the reinforcing bars are tested. Studying the influence of arc spot welding on the performance of steel, and put forward some suggestions and suggestions.