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利用外包碳纤维约束混凝土柱加卸载曲线的特点 ,得到了刚度与极限压应变均较大的刚性元件 ,并用该刚性元件测得了完整的混凝土应力 -应变全过程曲线 ,证实了此种刚元件是一种新型的较好的刚性元件。
By using the characteristics of loading and unloading curves of CFRP-constrained concrete columns, a rigid element with large stiffness and ultimate compressive strain was obtained. The complete stress-strain curve of the concrete was measured with the rigid element. It was confirmed that the rigid element was a New type of better rigid components.