The steel reinforcement is represented by a bilinear strain hardening model.

钢筋以双线性应变硬化模型表示。

The model includes the effect of strain rate sensitivity, strain softening and strain hardening.

该模型包括了应变率敏感性效应，应变软化效应和应变硬化效应。

Thirdly, plastic strain ratio and strain hardening index are the two key parameters of material's formability.

塑性应变比与应变硬化指数是评价板料成形性能的两个重要参数。

The results show that the stress-strain relationship of geotextile-reinforced fillings is of strain hardening.

试验表明：加筋填料的应力–应变关系表现为应变硬化型；

When it accumulated to a higher degree, the specimen began to shear and dilate after a short time of strain hardening.

达到一定程度后，岩石表现出短暂的应变硬化，岩石开始剪胀。