结果建立一种适合低周期反复荷载作用下的损伤模型，并进行了损伤与弦转角的关系分析，从而对其损伤机理、损伤过程及损伤的影响因素有更进一步的了解。

The damage model has been made and the analysis of the relation damage and turn Angle has been studied to give a better understanding of the damage theory, damage course and damage effect factors.

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