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针对目前混凝土受拉应力—应变全曲线下降段获取方法不足的问题,从试件构制改进出发,提出了阻断钢筋的概念及一种新的试验方法,并通过试验获得了混凝土受拉应力应变全曲线,验证了该方法的可行性。
Aiming at the shortcoming of the existing method to get concrete in the descending section of tensile stress-strain curve, the concept of steel bar interception and a new test method are put forward based on the improvement of specimen structure. The tensile stress Strain full curve to verify the feasibility of the method.