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本文通过冷轧扭钢筋、螺纹钢筋及光圆钢筋混凝土结构性能的对比试验，对冷轧扭钢筋的力学性能做了客观评价，分析了机理，论证了“螺旋效应”的作用及进一步提高冷轧扭钢筋均匀延伸率的必要性。
In this paper, the mechanical properties of cold-rolled twisted steel bar are evaluated objectively by comparing the structural properties of cold-rolled twisted steel bar, screwed steel bar and light-weight reinforced concrete. The mechanism is analyzed and the role of “spiral effect” and the further improvement of cold rolling Necessity of torsion bar uniform elongation.