就目前冷轧扭钢筋拉伸试验结果有效率较低的问题,对其试验方法从试样选择、夹具及夹持方式、加荷速度以及标距标点和测定性能数值的改进等方面加以探讨,以期获得较高的试验有效率 At present, the cold rolled and torsional bar tensile test results are inefficient, and the test methods are discussed from the aspects of sample selection, fixture and clamping method, loading speed, punctuation and improvement of measured performance values, In order to obtain a higher test efficiency