把结构遭受裂缝损伤的应变能变化量作为损伤指标，提出一种新的无损裂缝识别方法。

Strain energy change is used as damage index and a nondestructive crack detection method is proposed.

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把结构遭受裂缝损伤的应变能变化量作为损伤指标，提出一种新的无损裂缝识别方法。

Strain energy change is used as damage index and a nondestructive crack detection method is proposed.

youdao