在各弯曲试样得到不同的预应变后，又对其进行反向加载，记录不同预应变下各试样反向加载的弯矩随表面应变的变化曲线。
In these experiments, specimens were bending to produce different pre-strain respectively, and then reverse bending were taken one by one.
本文在研究加载原理基础上，提出用同步反向法进行液压补偿的原理，来解决多余力问题。
This paper proposes hydraulic compensation principle to solve surplus force by synchro-reverse method on the base of loading principle studied.
建议了一个不受波速值限制的逐步近似法，并给出反向塑性加载边界传播速度的计算式。
A successive approximation method is suggested without value limit of wave velocity. The formulas for calculating the initial propagation velocity of reverse plastic loading boundary are also given.
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