Study on propagation mechanism and attenuation law of acoustic emission waves for damage of prestressed steel strands

Jie Hou, Chao Wang,Shengli Li,Nan Jiang,Bin Xu,Guangming Wu

Measurement（2023）

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摘要

•Visualization of AE waves propagation in prestressed steel strand by numerical simulation.•AE frequency, amplitude and energy attenuation laws in prestressed steel strand with prestress levels.•AE amplitude and energy attenuation laws in prestressed steel strand of full-size prestressed hollow slab girder.

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关键词

Prestressed steel strands,Acoustic emission,Propagation mechanism,Attenuation law,Dominant frequency,Amplitude

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