Research on crack detection method of ballastless track slab based on infrared thermometer

Shuanglong Cui,Xiaogang Sun,Meisheng Luan,Yanxiu Wei

Infrared Physics & Technology（2021）

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摘要

•A crack detection method based on an infrared thermometer is proposed.•The theoretical formula of the output signal is derived when a crack exist.•The influencing factors of the lower limit of detectable crack width are presented.

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关键词

Crack detection method,Ballastless track slab,Infrared thermometer

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