Longitudinal crack formed when screw steel rebar is cold-bended was analyzed. The result indicates that ununiformly distributed silicate inclusions contributed to the longitudinal crack. Protective measurements were also provided.

• 摘要对螺纹钢筋由冷弯产生的纵向裂纹进行了分析，结果表明，硅酸盐夹杂物分布不均匀是造成螺纹钢筋冷弯纵向裂纹的主要原因，并提出了相应的预防措施。